最新版本升级

This commit is contained in:
Zhang.WH
2025-09-02 19:15:07 +08:00
parent 2c907e49f4
commit 7d972e2d17
3598 changed files with 155327 additions and 23880 deletions

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<groupId>com.openhis</groupId>
<artifactId>openhis-server</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>com.core</groupId>
<artifactId>core-flowable</artifactId>
<dependencies>
<dependency>
<groupId>com.core</groupId>
<artifactId>core-framework</artifactId>
</dependency>
<dependency>
<groupId>com.core</groupId>
<artifactId>core-system</artifactId>
</dependency>
<dependency>
<groupId>com.core</groupId>
<artifactId>core-common</artifactId>
</dependency>
<!--常用工具类 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
</dependency>
<!-- JSON工具类 -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
<!-- 阿里JSON解析器 -->
<dependency>
<groupId>com.alibaba.fastjson2</groupId>
<artifactId>fastjson2</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>io.swagger</groupId>
<artifactId>swagger-annotations</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.flowable</groupId>
<artifactId>flowable-spring-boot-starter</artifactId>
<!-- 排除flowable自带的权限认证 -->
<exclusions>
<exclusion>
<groupId>org.flowable</groupId>
<artifactId>flowable-spring-security</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
</dependency>
<dependency>
<!-- websocket -->
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
</dependency>
<!--el表达式计算-->
<dependency>
<groupId>com.googlecode.aviator</groupId>
<artifactId>aviator</artifactId>
<version>5.3.3</version>
</dependency>
</dependencies>
<!-- <build>-->
<!-- <plugins>-->
<!-- <plugin>-->
<!-- <groupId>org.springframework.boot</groupId>-->
<!-- <artifactId>spring-boot-maven-plugin</artifactId>-->
<!-- </plugin>-->
<!-- </plugins>-->
<!-- </build>-->
</project>

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package com.core.flowable.common.constant;
/**
* 流程常量信息
*
* @author system
* @date 2021/4/17 22:46
*/
public class ProcessConstants {
/**
* 动态数据
*/
public static final String DYNAMIC = "dynamic";
/**
* 固定任务接收
*/
public static final String FIXED = "fixed";
/**
* 单个审批人
*/
public static final String ASSIGNEE = "assignee";
/**
* 候选人
*/
public static final String CANDIDATE_USERS = "candidateUsers";
/**
* 审批组
*/
public static final String CANDIDATE_GROUPS = "candidateGroups";
/**
* 单个审批人
*/
public static final String PROCESS_APPROVAL = "approval";
/**
* 会签人员
*/
public static final String PROCESS_MULTI_INSTANCE_USER = "userList";
/**
* nameapace
*/
public static final String NAMASPASE = "http://flowable.org/bpmn";
/**
* 会签节点
*/
public static final String PROCESS_MULTI_INSTANCE = "multiInstance";
/**
* 自定义属性 dataType
*/
public static final String PROCESS_CUSTOM_DATA_TYPE = "dataType";
/**
* 自定义属性 userType
*/
public static final String PROCESS_CUSTOM_USER_TYPE = "userType";
/**
* 初始化人员
*/
public static final String PROCESS_INITIATOR = "INITIATOR";
/**
* 流程跳过
*/
public static final String FLOWABLE_SKIP_EXPRESSION_ENABLED = "_FLOWABLE_SKIP_EXPRESSION_ENABLED";
}

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package com.core.flowable.common.enums;
/**
* 流程意见类型
*
* @author system
* @date 2021/4/19
*/
public enum FlowComment {
/**
* 说明
*/
NORMAL("1", "正常意见"), REBACK("2", "退回意见"), REJECT("3", "驳回意见"), DELEGATE("4", "委派意见"), ASSIGN("5", "转办意见"),
STOP("6", "终止流程");
/**
* 类型
*/
private final String type;
/**
* 说明
*/
private final String remark;
FlowComment(String type, String remark) {
this.type = type;
this.remark = remark;
}
public String getType() {
return type;
}
public String getRemark() {
return remark;
}
}

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package com.core.flowable.common.expand.el;
/**
* 扩展表达式
*
* @author system
* @date 2023-03-04 09:10
*/
public interface BaseEl {
}

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package com.core.flowable.common.expand.el;
import javax.annotation.Resource;
import org.springframework.stereotype.Component;
import com.core.system.service.ISysDeptService;
import lombok.extern.slf4j.Slf4j;
/**
* 扩展表达式
*
* @author system
* @date 2023-03-04 12:10
*/
@Component
@Slf4j
public class FlowEl implements BaseEl {
@Resource
private ISysDeptService sysDeptService;
public String findDeptLeader(String name) {
log.info("开始查询表达式变量值,getName");
return name;
}
public String getName(String name) {
log.info("开始查询表达式变量值,getName");
return name;
}
}

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package com.core.flowable.config;
import org.flowable.engine.impl.db.DbIdGenerator;
import org.flowable.spring.SpringProcessEngineConfiguration;
import org.flowable.spring.boot.EngineConfigurationConfigurer;
import org.springframework.context.annotation.Configuration;
/**
* 扩展流程配置
*
* @author system
* @date 2022-12-26 10:24
*/
@Configuration
public class FlowableConfig implements EngineConfigurationConfigurer<SpringProcessEngineConfiguration> {
@Override
public void configure(SpringProcessEngineConfiguration engineConfiguration) {
engineConfiguration.setActivityFontName("宋体");
engineConfiguration.setLabelFontName("宋体");
engineConfiguration.setAnnotationFontName("宋体");
engineConfiguration.setIdGenerator(new DbIdGenerator());
}
}

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package com.core.flowable.controller;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Map;
import javax.annotation.Resource;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import com.core.common.annotation.Log;
import com.core.common.core.controller.BaseController;
import com.core.common.core.domain.AjaxResult;
import com.core.common.core.domain.entity.SysRole;
import com.core.common.core.domain.entity.SysUser;
import com.core.common.enums.BusinessType;
import com.core.flowable.domain.dto.FlowSaveXmlVo;
import com.core.flowable.service.IFlowDefinitionService;
import com.core.system.domain.FlowProcDefDto;
import com.core.system.domain.SysExpression;
import com.core.system.service.ISysExpressionService;
import com.core.system.service.ISysRoleService;
import com.core.system.service.ISysUserService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.extern.slf4j.Slf4j;
/**
* <p>
* 工作流程定义
* </p>
*
* @author system
* @date 2021-04-03
*/
@Slf4j
@Api(tags = "流程定义")
@RestController
@RequestMapping("/flowable/definition")
public class FlowDefinitionController extends BaseController {
@Autowired
private IFlowDefinitionService flowDefinitionService;
@Autowired
private ISysUserService userService;
@Resource
private ISysRoleService sysRoleService;
@Resource
private ISysExpressionService sysExpressionService;
@GetMapping(value = "/list")
@ApiOperation(value = "流程定义列表", response = FlowProcDefDto.class)
public AjaxResult list(@ApiParam(value = "当前页码", required = true) @RequestParam Integer pageNum,
@ApiParam(value = "每页条数", required = true) @RequestParam Integer pageSize,
@ApiParam(value = "流程名称", required = false) @RequestParam(required = false) String name) {
return AjaxResult.success(flowDefinitionService.list(name, pageNum, pageSize));
}
@ApiOperation(value = "导入流程文件", notes = "上传bpmn20的xml文件")
@PostMapping("/import")
public AjaxResult importFile(@RequestParam(required = false) String name,
@RequestParam(required = false) String category, MultipartFile file) {
InputStream in = null;
try {
in = file.getInputStream();
flowDefinitionService.importFile(name, category, in);
} catch (Exception e) {
log.error("导入失败:", e);
return AjaxResult.success(e.getMessage());
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
log.error("关闭输入流出错", e);
}
}
return AjaxResult.success("导入成功");
}
@ApiOperation(value = "读取xml文件")
@GetMapping("/readXml/{deployId}")
public AjaxResult readXml(@ApiParam(value = "流程定义id") @PathVariable(value = "deployId") String deployId) {
try {
return flowDefinitionService.readXml(deployId);
} catch (Exception e) {
return AjaxResult.error("加载xml文件异常");
}
}
@ApiOperation(value = "读取图片文件")
@GetMapping("/readImage/{deployId}")
public void readImage(@ApiParam(value = "流程定义id") @PathVariable(value = "deployId") String deployId,
HttpServletResponse response) {
OutputStream os = null;
BufferedImage image = null;
try {
image = ImageIO.read(flowDefinitionService.readImage(deployId));
response.setContentType("image/png");
os = response.getOutputStream();
if (image != null) {
ImageIO.write(image, "png", os);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (os != null) {
os.flush();
os.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
@ApiOperation(value = "保存流程设计器内的xml文件")
@Log(title = "流程定义", businessType = BusinessType.INSERT)
@PostMapping("/save")
public AjaxResult save(@RequestBody FlowSaveXmlVo vo) {
InputStream in = null;
try {
in = new ByteArrayInputStream(vo.getXml().getBytes(StandardCharsets.UTF_8));
flowDefinitionService.importFile(vo.getName(), vo.getCategory(), in);
} catch (Exception e) {
log.error("导入失败:", e);
return AjaxResult.error(e.getMessage());
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
log.error("关闭输入流出错", e);
}
}
return AjaxResult.success("导入成功");
}
@ApiOperation(value = "发起流程")
@Log(title = "发起流程", businessType = BusinessType.INSERT)
@PostMapping("/start/{procDefId}")
public AjaxResult start(@ApiParam(value = "流程定义id") @PathVariable(value = "procDefId") String procDefId,
@ApiParam(value = "变量集合,json对象") @RequestBody Map<String, Object> variables) {
return flowDefinitionService.startProcessInstanceById(procDefId, variables);
}
@ApiOperation(value = "激活或挂起流程定义")
@Log(title = "激活/挂起流程", businessType = BusinessType.UPDATE)
@PutMapping(value = "/updateState")
public AjaxResult updateState(@ApiParam(value = "1:激活,2:挂起", required = true) @RequestParam Integer state,
@ApiParam(value = "流程部署ID", required = true) @RequestParam String deployId) {
flowDefinitionService.updateState(state, deployId);
return AjaxResult.success();
}
@ApiOperation(value = "删除流程")
@Log(title = "删除流程", businessType = BusinessType.DELETE)
@DeleteMapping(value = "/{deployIds}")
public AjaxResult delete(@PathVariable String[] deployIds) {
for (String deployId : deployIds) {
flowDefinitionService.delete(deployId);
}
return AjaxResult.success();
}
@ApiOperation(value = "指定流程办理人员列表")
@GetMapping("/userList")
public AjaxResult userList(SysUser user) {
List<SysUser> list = userService.selectUserList(user);
return AjaxResult.success(list);
}
@ApiOperation(value = "指定流程办理组列表")
@GetMapping("/roleList")
public AjaxResult roleList(SysRole role) {
List<SysRole> list = sysRoleService.selectRoleList(role);
return AjaxResult.success(list);
}
@ApiOperation(value = "指定流程达式列表")
@GetMapping("/expList")
public AjaxResult expList(SysExpression sysExpression) {
List<SysExpression> list = sysExpressionService.selectSysExpressionList(sysExpression);
return AjaxResult.success(list);
}
}

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package com.core.flowable.controller;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import com.core.common.annotation.Log;
import com.core.common.core.controller.BaseController;
import com.core.common.core.domain.AjaxResult;
import com.core.common.enums.BusinessType;
import com.core.flowable.domain.vo.FlowTaskVo;
import com.core.flowable.service.IFlowInstanceService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.extern.slf4j.Slf4j;
/**
* <p>
* 工作流流程实例管理
* <p>
*
* @author system
* @date 2021-04-03
*/
@Slf4j
@Api(tags = "工作流流程实例管理")
@RestController
@RequestMapping("/flowable/instance")
public class FlowInstanceController extends BaseController {
@Autowired
private IFlowInstanceService flowInstanceService;
@ApiOperation(value = "根据流程定义id启动流程实例")
@PostMapping("/startBy/{procDefId}")
public AjaxResult startById(@ApiParam(value = "流程定义id") @PathVariable(value = "procDefId") String procDefId,
@ApiParam(value = "变量集合,json对象") @RequestBody Map<String, Object> variables) {
return flowInstanceService.startProcessInstanceById(procDefId, variables);
}
@ApiOperation(value = "激活或挂起流程实例")
@PostMapping(value = "/updateState")
public AjaxResult updateState(@ApiParam(value = "1:激活,2:挂起", required = true) @RequestParam Integer state,
@ApiParam(value = "流程实例ID", required = true) @RequestParam String instanceId) {
flowInstanceService.updateState(state, instanceId);
return AjaxResult.success();
}
@ApiOperation("结束流程实例")
@PostMapping(value = "/stopProcessInstance")
public AjaxResult stopProcessInstance(@RequestBody FlowTaskVo flowTaskVo) {
flowInstanceService.stopProcessInstance(flowTaskVo);
return AjaxResult.success();
}
@ApiOperation(value = "删除流程实例")
@Log(title = "删除任务", businessType = BusinessType.DELETE)
@DeleteMapping(value = "/delete/{instanceIds}")
public AjaxResult delete(@ApiParam(value = "流程实例ID", required = true) @PathVariable String[] instanceIds,
@ApiParam(value = "删除原因") @RequestParam(required = false) String deleteReason) {
for (String instanceId : instanceIds) {
flowInstanceService.delete(instanceId, deleteReason);
}
return AjaxResult.success();
}
}

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package com.core.flowable.controller;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import com.core.common.annotation.Log;
import com.core.common.core.controller.BaseController;
import com.core.common.core.domain.AjaxResult;
import com.core.common.enums.BusinessType;
import com.core.flowable.domain.dto.FlowTaskDto;
import com.core.flowable.domain.vo.FlowQueryVo;
import com.core.flowable.domain.vo.FlowTaskVo;
import com.core.flowable.service.IFlowTaskService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.extern.slf4j.Slf4j;
/**
* <p>
* 工作流任务管理
* <p>
*
* @author system
* @date 2021-04-03
*/
@Slf4j
@Api(tags = "工作流流程任务管理")
@RestController
@RequestMapping("/flowable/task")
public class FlowTaskController extends BaseController {
@Autowired
private IFlowTaskService flowTaskService;
@ApiOperation(value = "我发起的流程", response = FlowTaskDto.class)
@GetMapping(value = "/myProcess")
public AjaxResult myProcess(FlowQueryVo queryVo) {
return flowTaskService.myProcess(queryVo);
}
@ApiOperation(value = "取消申请", response = FlowTaskDto.class)
@Log(title = "取消申请", businessType = BusinessType.UPDATE)
@PostMapping(value = "/stopProcess")
public AjaxResult stopProcess(@RequestBody FlowTaskVo flowTaskVo) {
return flowTaskService.stopProcess(flowTaskVo);
}
@ApiOperation(value = "撤回流程", response = FlowTaskDto.class)
@Log(title = "撤回流程", businessType = BusinessType.UPDATE)
@PostMapping(value = "/revokeProcess")
public AjaxResult revokeProcess(@RequestBody FlowTaskVo flowTaskVo) {
return flowTaskService.revokeProcess(flowTaskVo);
}
@ApiOperation(value = "获取待办列表", response = FlowTaskDto.class)
@GetMapping(value = "/todoList")
public AjaxResult todoList(FlowQueryVo queryVo) {
return flowTaskService.todoList(queryVo);
}
@ApiOperation(value = "获取已办任务", response = FlowTaskDto.class)
@GetMapping(value = "/finishedList")
public AjaxResult finishedList(FlowQueryVo queryVo) {
return flowTaskService.finishedList(queryVo);
}
@ApiOperation(value = "流程历史流转记录", response = FlowTaskDto.class)
@GetMapping(value = "/flowRecord")
public AjaxResult flowRecord(String procInsId, String deployId) {
return flowTaskService.flowRecord(procInsId, deployId);
}
@ApiOperation(value = "根据任务ID查询挂载的表单信息")
@GetMapping(value = "/getTaskForm")
public AjaxResult getTaskForm(String taskId) {
return flowTaskService.getTaskForm(taskId);
}
@ApiOperation(value = "流程初始化表单", response = FlowTaskDto.class)
@GetMapping(value = "/flowFormData")
public AjaxResult flowFormData(String deployId) {
return flowTaskService.flowFormData(deployId);
}
@ApiOperation(value = "获取流程变量", response = FlowTaskDto.class)
@GetMapping(value = "/processVariables/{taskId}")
public AjaxResult processVariables(@ApiParam(value = "流程任务Id") @PathVariable(value = "taskId") String taskId) {
return flowTaskService.processVariables(taskId);
}
@ApiOperation(value = "审批任务")
@Log(title = "审批任务", businessType = BusinessType.UPDATE)
@PostMapping(value = "/complete")
public AjaxResult complete(@RequestBody FlowTaskVo flowTaskVo) {
return flowTaskService.complete(flowTaskVo);
}
@ApiOperation(value = "驳回任务")
@Log(title = "驳回任务", businessType = BusinessType.UPDATE)
@PostMapping(value = "/reject")
public AjaxResult taskReject(@RequestBody FlowTaskVo flowTaskVo) {
flowTaskService.taskReject(flowTaskVo);
return AjaxResult.success();
}
@ApiOperation(value = "退回任务")
@Log(title = "退回任务", businessType = BusinessType.UPDATE)
@PostMapping(value = "/return")
public AjaxResult taskReturn(@RequestBody FlowTaskVo flowTaskVo) {
flowTaskService.taskReturn(flowTaskVo);
return AjaxResult.success();
}
@ApiOperation(value = "获取所有可回退的节点")
@PostMapping(value = "/returnList")
public AjaxResult findReturnTaskList(@RequestBody FlowTaskVo flowTaskVo) {
return flowTaskService.findReturnTaskList(flowTaskVo);
}
@ApiOperation(value = "删除任务")
@Log(title = "删除任务", businessType = BusinessType.DELETE)
@DeleteMapping(value = "/delete")
public AjaxResult delete(@RequestBody FlowTaskVo flowTaskVo) {
flowTaskService.deleteTask(flowTaskVo);
return AjaxResult.success();
}
@ApiOperation(value = "认领/签收任务")
@PostMapping(value = "/claim")
public AjaxResult claim(@RequestBody FlowTaskVo flowTaskVo) {
flowTaskService.claim(flowTaskVo);
return AjaxResult.success();
}
@ApiOperation(value = "取消认领/签收任务")
@PostMapping(value = "/unClaim")
public AjaxResult unClaim(@RequestBody FlowTaskVo flowTaskVo) {
flowTaskService.unClaim(flowTaskVo);
return AjaxResult.success();
}
@ApiOperation(value = "委派任务")
@PostMapping(value = "/delegateTask")
public AjaxResult delegate(@RequestBody FlowTaskVo flowTaskVo) {
flowTaskService.delegateTask(flowTaskVo);
return AjaxResult.success();
}
@ApiOperation(value = "任务归还")
@PostMapping(value = "/resolveTask")
public AjaxResult resolveTask(@RequestBody FlowTaskVo flowTaskVo) {
flowTaskService.resolveTask(flowTaskVo);
return AjaxResult.success();
}
@ApiOperation(value = "转办任务")
@PostMapping(value = "/assignTask")
public AjaxResult assign(@RequestBody FlowTaskVo flowTaskVo) {
flowTaskService.assignTask(flowTaskVo);
return AjaxResult.success();
}
@PostMapping(value = "/addMultiInstanceExecution")
@ApiOperation(value = "多实例加签")
public AjaxResult addMultiInstanceExecution(@RequestBody FlowTaskVo flowTaskVo) {
flowTaskService.addMultiInstanceExecution(flowTaskVo);
return AjaxResult.success("加签成功");
}
@PostMapping(value = "/deleteMultiInstanceExecution")
@ApiOperation(value = "多实例减签")
public AjaxResult deleteMultiInstanceExecution(@RequestBody FlowTaskVo flowTaskVo) {
flowTaskService.deleteMultiInstanceExecution(flowTaskVo);
return AjaxResult.success("减签成功");
}
@ApiOperation(value = "获取下一节点")
@PostMapping(value = "/nextFlowNode")
public AjaxResult getNextFlowNode(@RequestBody FlowTaskVo flowTaskVo) {
return flowTaskService.getNextFlowNode(flowTaskVo);
}
@ApiOperation(value = "流程发起时获取下一节点")
@PostMapping(value = "/nextFlowNodeByStart")
public AjaxResult getNextFlowNodeByStart(@RequestBody FlowTaskVo flowTaskVo) {
return flowTaskService.getNextFlowNodeByStart(flowTaskVo);
}
/**
* 生成流程图
*
* @param processId 任务ID
*/
@GetMapping("/diagram/{processId}")
public void genProcessDiagram(HttpServletResponse response, @PathVariable("processId") String processId) {
InputStream inputStream = flowTaskService.diagram(processId);
OutputStream os = null;
BufferedImage image = null;
try {
image = ImageIO.read(inputStream);
response.setContentType("image/png");
os = response.getOutputStream();
if (image != null) {
ImageIO.write(image, "png", os);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (os != null) {
os.flush();
os.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 获取流程执行节点
*
* @param procInsId 流程实例编号
* @param procInsId 任务执行编号
*/
@GetMapping("/flowViewer/{procInsId}/{executionId}")
public AjaxResult getFlowViewer(@PathVariable("procInsId") String procInsId,
@PathVariable("executionId") String executionId) {
return flowTaskService.getFlowViewer(procInsId, executionId);
}
/**
* 流程节点信息
*
* @param procInsId 流程实例id
* @return
*/
@GetMapping("/flowXmlAndNode")
public AjaxResult flowXmlAndNode(@RequestParam(value = "procInsId", required = false) String procInsId,
@RequestParam(value = "deployId", required = false) String deployId) {
return flowTaskService.flowXmlAndNode(procInsId, deployId);
}
/**
* 流程节点表单
*
* @param taskId 流程任务编号
* @return
*/
@GetMapping("/flowTaskForm")
public AjaxResult flowTaskForm(@RequestParam(value = "taskId", required = false) String taskId) throws Exception {
return flowTaskService.flowTaskForm(taskId);
}
/**
* 流程节点信息
*
* @param procInsId 流程实例编号
* @param elementId 流程节点编号
* @return
*/
@GetMapping("/flowTaskInfo")
public AjaxResult flowTaskInfo(@RequestParam(value = "procInsId") String procInsId,
@RequestParam(value = "elementId") String elementId) {
return flowTaskService.flowTaskInfo(procInsId, elementId);
}
}

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package com.core.flowable.controller;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;
import com.core.common.annotation.Log;
import com.core.common.core.controller.BaseController;
import com.core.common.core.domain.AjaxResult;
import com.core.common.core.page.TableDataInfo;
import com.core.common.enums.BusinessType;
import com.core.common.utils.poi.ExcelUtil;
import com.core.system.domain.SysExpression;
import com.core.system.service.ISysExpressionService;
/**
* 流程达式Controller
*
* @author system
* @date 2022-12-12
*/
@RestController
@RequestMapping("/system/expression")
public class SysExpressionController extends BaseController {
@Autowired
private ISysExpressionService sysExpressionService;
/**
* 查询流程达式列表
*/
@PreAuthorize("@ss.hasPermi('system:expression:list')")
@GetMapping("/list")
public TableDataInfo list(SysExpression sysExpression) {
startPage();
List<SysExpression> list = sysExpressionService.selectSysExpressionList(sysExpression);
return getDataTable(list);
}
/**
* 导出流程达式列表
*/
@PreAuthorize("@ss.hasPermi('system:expression:export')")
@Log(title = "流程达式", businessType = BusinessType.EXPORT)
@PostMapping("/export")
public void export(HttpServletResponse response, SysExpression sysExpression) {
List<SysExpression> list = sysExpressionService.selectSysExpressionList(sysExpression);
ExcelUtil<SysExpression> util = new ExcelUtil<SysExpression>(SysExpression.class);
util.exportExcel(response, list, "流程达式数据");
}
/**
* 获取流程达式详细信息
*/
@PreAuthorize("@ss.hasPermi('system:expression:query')")
@GetMapping(value = "/{id}")
public AjaxResult getInfo(@PathVariable("id") Long id) {
return success(sysExpressionService.selectSysExpressionById(id));
}
/**
* 新增流程达式
*/
@PreAuthorize("@ss.hasPermi('system:expression:add')")
@Log(title = "流程达式", businessType = BusinessType.INSERT)
@PostMapping
public AjaxResult add(@RequestBody SysExpression sysExpression) {
return toAjax(sysExpressionService.insertSysExpression(sysExpression));
}
/**
* 修改流程达式
*/
@PreAuthorize("@ss.hasPermi('system:expression:edit')")
@Log(title = "流程达式", businessType = BusinessType.UPDATE)
@PutMapping
public AjaxResult edit(@RequestBody SysExpression sysExpression) {
return toAjax(sysExpressionService.updateSysExpression(sysExpression));
}
/**
* 删除流程达式
*/
@PreAuthorize("@ss.hasPermi('system:expression:remove')")
@Log(title = "流程达式", businessType = BusinessType.DELETE)
@DeleteMapping("/{ids}")
public AjaxResult remove(@PathVariable Long[] ids) {
return toAjax(sysExpressionService.deleteSysExpressionByIds(ids));
}
}

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package com.core.flowable.controller;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;
import com.core.common.annotation.Log;
import com.core.common.core.controller.BaseController;
import com.core.common.core.domain.AjaxResult;
import com.core.common.core.page.TableDataInfo;
import com.core.common.enums.BusinessType;
import com.core.common.utils.poi.ExcelUtil;
import com.core.flowable.service.ISysDeployFormService;
import com.core.flowable.service.ISysFormService;
import com.core.system.domain.SysDeployForm;
import com.core.system.domain.SysForm;
/**
* 流程表单Controller
*
* @author system
* @date 2021-04-03
*/
@RestController
@RequestMapping("/flowable/form")
public class SysFormController extends BaseController {
@Autowired
private ISysFormService SysFormService;
@Autowired
private ISysDeployFormService sysDeployFormService;
/**
* 查询流程表单列表
*/
@PreAuthorize("@ss.hasPermi('flowable:form:list')")
@GetMapping("/list")
public TableDataInfo list(SysForm sysForm) {
startPage();
List<SysForm> list = SysFormService.selectSysFormList(sysForm);
return getDataTable(list);
}
@GetMapping("/formList")
public AjaxResult formList(SysForm sysForm) {
List<SysForm> list = SysFormService.selectSysFormList(sysForm);
return AjaxResult.success(list);
}
/**
* 导出流程表单列表
*/
@PreAuthorize("@ss.hasPermi('flowable:form:export')")
@Log(title = "流程表单", businessType = BusinessType.EXPORT)
@GetMapping("/export")
public AjaxResult export(SysForm sysForm) {
List<SysForm> list = SysFormService.selectSysFormList(sysForm);
ExcelUtil<SysForm> util = new ExcelUtil<SysForm>(SysForm.class);
return util.exportExcel(list, "form");
}
/**
* 获取流程表单详细信息
*/
@PreAuthorize("@ss.hasPermi('flowable:form:query')")
@GetMapping(value = "/{formId}")
public AjaxResult getInfo(@PathVariable("formId") Long formId) {
return AjaxResult.success(SysFormService.selectSysFormById(formId));
}
/**
* 新增流程表单
*/
@PreAuthorize("@ss.hasPermi('flowable:form:add')")
@Log(title = "流程表单", businessType = BusinessType.INSERT)
@PostMapping
public AjaxResult add(@RequestBody SysForm sysForm) {
return toAjax(SysFormService.insertSysForm(sysForm));
}
/**
* 修改流程表单
*/
@PreAuthorize("@ss.hasPermi('flowable:form:edit')")
@Log(title = "流程表单", businessType = BusinessType.UPDATE)
@PutMapping
public AjaxResult edit(@RequestBody SysForm sysForm) {
return toAjax(SysFormService.updateSysForm(sysForm));
}
/**
* 删除流程表单
*/
@PreAuthorize("@ss.hasPermi('flowable:form:remove')")
@Log(title = "流程表单", businessType = BusinessType.DELETE)
@DeleteMapping("/{formIds}")
public AjaxResult remove(@PathVariable Long[] formIds) {
return toAjax(SysFormService.deleteSysFormByIds(formIds));
}
/**
* 挂载流程表单
*/
@Log(title = "流程表单", businessType = BusinessType.INSERT)
@PostMapping("/addDeployForm")
public AjaxResult addDeployForm(@RequestBody SysDeployForm sysDeployForm) {
return toAjax(sysDeployFormService.insertSysDeployForm(sysDeployForm));
}
}

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package com.core.flowable.controller;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;
import com.core.common.annotation.Log;
import com.core.common.core.controller.BaseController;
import com.core.common.core.domain.AjaxResult;
import com.core.common.core.page.TableDataInfo;
import com.core.common.enums.BusinessType;
import com.core.common.utils.poi.ExcelUtil;
import com.core.system.domain.SysListener;
import com.core.system.service.ISysListenerService;
/**
* 流程监听Controller
*
* @author system
* @date 2022-12-25
*/
@RestController
@RequestMapping("/system/listener")
public class SysListenerController extends BaseController {
@Autowired
private ISysListenerService sysListenerService;
/**
* 查询流程监听列表
*/
@PreAuthorize("@ss.hasPermi('system:listener:list')")
@GetMapping("/list")
public TableDataInfo list(SysListener sysListener) {
startPage();
List<SysListener> list = sysListenerService.selectSysListenerList(sysListener);
return getDataTable(list);
}
/**
* 导出流程监听列表
*/
@PreAuthorize("@ss.hasPermi('system:listener:export')")
@Log(title = "流程监听", businessType = BusinessType.EXPORT)
@PostMapping("/export")
public void export(HttpServletResponse response, SysListener sysListener) {
List<SysListener> list = sysListenerService.selectSysListenerList(sysListener);
ExcelUtil<SysListener> util = new ExcelUtil<SysListener>(SysListener.class);
util.exportExcel(response, list, "流程监听数据");
}
/**
* 获取流程监听详细信息
*/
@PreAuthorize("@ss.hasPermi('system:listener:query')")
@GetMapping(value = "/{id}")
public AjaxResult getInfo(@PathVariable("id") Long id) {
return success(sysListenerService.selectSysListenerById(id));
}
/**
* 新增流程监听
*/
@PreAuthorize("@ss.hasPermi('system:listener:add')")
@Log(title = "流程监听", businessType = BusinessType.INSERT)
@PostMapping
public AjaxResult add(@RequestBody SysListener sysListener) {
return toAjax(sysListenerService.insertSysListener(sysListener));
}
/**
* 修改流程监听
*/
@PreAuthorize("@ss.hasPermi('system:listener:edit')")
@Log(title = "流程监听", businessType = BusinessType.UPDATE)
@PutMapping
public AjaxResult edit(@RequestBody SysListener sysListener) {
return toAjax(sysListenerService.updateSysListener(sysListener));
}
/**
* 删除流程监听
*/
@PreAuthorize("@ss.hasPermi('system:listener:remove')")
@Log(title = "流程监听", businessType = BusinessType.DELETE)
@DeleteMapping("/{ids}")
public AjaxResult remove(@PathVariable Long[] ids) {
return toAjax(sysListenerService.deleteSysListenerByIds(ids));
}
}

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package com.core.flowable.domain.dto;
import java.io.Serializable;
import lombok.Builder;
import lombok.Data;
/**
* @author system
* @date 2021/3/28 15:50
*/
@Data
@Builder
public class FlowCommentDto implements Serializable {
/**
* 意见类别 0 正常意见 1 退回意见 2 驳回意见
*/
private String type;
/**
* 意见内容
*/
private String comment;
}

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package com.core.flowable.domain.dto;
import java.io.Serializable;
import lombok.Data;
/**
* @author system
* @date 2021/3/31 23:20
*/
@Data
public class FlowFromFieldDTO implements Serializable {
private Object fields;
}

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package com.core.flowable.domain.dto;
import java.io.Serializable;
import lombok.Data;
/**
* 动态人员、组
*
* @author system
* @date 2021/4/17 22:59
*/
@Data
public class FlowNextDto implements Serializable {
/**
* 审批人类型
*/
private String type;
/**
* 是否需要动态指定任务审批人
*/
private String dataType;
/**
* 流程变量
*/
private String vars;
}

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package com.core.flowable.domain.dto;
import java.io.Serializable;
import lombok.Data;
/**
* @author system
* @date 2021/3/28 19:48
*/
@Data
public class FlowSaveXmlVo implements Serializable {
/**
* 流程名称
*/
private String name;
/**
* 流程分类
*/
private String category;
/**
* xml 文件
*/
private String xml;
}

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package com.core.flowable.domain.dto;
import java.io.Serializable;
import java.util.Date;
import com.fasterxml.jackson.annotation.JsonFormat;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Getter;
import lombok.Setter;
/**
* <p>
* 工作流任务
* <p>
*
* @author system
* @date 2021-04-03
*/
@Getter
@Setter
@ApiModel("工作流任务相关-返回参数")
public class FlowTaskDto implements Serializable {
@ApiModelProperty("任务编号")
private String taskId;
@ApiModelProperty("任务执行编号")
private String executionId;
@ApiModelProperty("任务名称")
private String taskName;
@ApiModelProperty("任务Key")
private String taskDefKey;
@ApiModelProperty("任务执行人Id")
private Long assigneeId;
@ApiModelProperty("部门名称")
private String deptName;
@ApiModelProperty("流程发起人部门名称")
private String startDeptName;
@ApiModelProperty("任务执行人名称")
private String assigneeName;
@ApiModelProperty("任务执行人部门")
private String assigneeDeptName;;
@ApiModelProperty("流程发起人Id")
private String startUserId;
@ApiModelProperty("流程发起人名称")
private String startUserName;
@ApiModelProperty("流程类型")
private String category;
@ApiModelProperty("流程变量信息")
private Object variables;
@ApiModelProperty("局部变量信息")
private Object taskLocalVars;
@ApiModelProperty("流程部署编号")
private String deployId;
@ApiModelProperty("流程ID")
private String procDefId;
@ApiModelProperty("流程key")
private String procDefKey;
@ApiModelProperty("流程定义名称")
private String procDefName;
@ApiModelProperty("流程定义内置使用版本")
private int procDefVersion;
@ApiModelProperty("流程实例ID")
private String procInsId;
@ApiModelProperty("历史流程实例ID")
private String hisProcInsId;
@ApiModelProperty("任务耗时")
private String duration;
@ApiModelProperty("任务意见")
private FlowCommentDto comment;
@ApiModelProperty("候选执行人")
private String candidate;
@ApiModelProperty("任务创建时间")
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
private Date createTime;
@ApiModelProperty("任务完成时间")
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
private Date finishTime;
}

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package com.core.flowable.domain.dto;
import java.io.Serializable;
import lombok.Data;
/**
* @author system
* @date 2021/4/21 20:55
*/
@Data
public class FlowViewerDto implements Serializable {
/**
* 流程key
*/
private String key;
/**
* 是否完成(已经审批)
*/
private boolean completed;
}

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package com.core.flowable.domain.vo;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
/**
* <p>
* 流程任务
* <p>
*
* @author system
* @date 2021-04-03
*/
@Data
@ApiModel("工作流任务相关--请求参数")
public class FlowQueryVo {
@ApiModelProperty("流程名称")
private String name;
@ApiModelProperty("开始时间")
private String startTime;
@ApiModelProperty("结束时间")
private String endTime;
@ApiModelProperty("当前页码")
private Integer pageNum;
@ApiModelProperty("每页条数")
private Integer pageSize;
}

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package com.core.flowable.domain.vo;
import java.util.List;
import java.util.Map;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
/**
* <p>
* 流程任务
* <p>
*
* @author system
* @date 2021-04-03
*/
@Data
@ApiModel("工作流任务相关--请求参数")
public class FlowTaskVo {
@ApiModelProperty("任务Id")
private String taskId;
@ApiModelProperty("用户Id")
private String userId;
@ApiModelProperty("任务意见")
private String comment;
@ApiModelProperty("流程实例Id")
private String instanceId;
@ApiModelProperty("节点")
private String targetKey;
private String deploymentId;
@ApiModelProperty("流程环节定义ID")
private String defId;
@ApiModelProperty("子执行流ID")
private String currentChildExecutionId;
@ApiModelProperty("子执行流是否已执行")
private Boolean flag;
@ApiModelProperty("流程变量信息")
private Map<String, Object> variables;
@ApiModelProperty("审批人")
private String assignee;
@ApiModelProperty("候选人")
private List<String> candidateUsers;
@ApiModelProperty("审批组")
private List<String> candidateGroups;
private String requestIdStr;
}

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package com.core.flowable.domain.vo;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
/**
* <p>
* 可退回节点
* <p>
*
* @author system
* @date 2022-04-23 11:01:52
*/
@Data
@ApiModel("可退回节点")
public class ReturnTaskNodeVo {
@ApiModelProperty("任务Id")
private String id;
@ApiModelProperty("用户Id")
private String name;
}

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package com.core.flowable.factory;
import javax.annotation.Resource;
import org.flowable.engine.*;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import lombok.Getter;
/**
* flowable 引擎注入封装
*
* @author system
* @date 2021-04-03
*/
@Component
@Getter
public class FlowServiceFactory {
@Resource
protected RepositoryService repositoryService;
@Resource
protected RuntimeService runtimeService;
@Resource
protected IdentityService identityService;
@Resource
protected TaskService taskService;
@Resource
protected HistoryService historyService;
@Resource
protected ManagementService managementService;
@Qualifier("processEngine")
@Resource
protected ProcessEngine processEngine;
}

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package com.core.flowable.flow;
import java.awt.*;
import java.awt.font.FontRenderContext;
import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextAttribute;
import java.awt.font.TextLayout;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.text.AttributedCharacterIterator;
import java.text.AttributedString;
import javax.imageio.ImageIO;
import org.flowable.bpmn.model.AssociationDirection;
import org.flowable.bpmn.model.GraphicInfo;
import org.flowable.image.impl.DefaultProcessDiagramCanvas;
import org.flowable.image.util.ReflectUtil;
/**
* @author system
* @date 2021/4/4 23:58
*/
public class CustomProcessDiagramCanvas extends DefaultProcessDiagramCanvas {
// 定义走过流程连线颜色为绿色
protected static Color HIGHLIGHT_SequenceFlow_COLOR = Color.GREEN;
// 设置未走过流程的连接线颜色
protected static Color CONNECTION_COLOR = Color.BLACK;
// 设置flows连接线字体颜色red
protected static Color LABEL_COLOR = new Color(0, 0, 0);
// 高亮显示task框颜色
protected static Color HIGHLIGHT_COLOR = Color.GREEN;
protected static Color HIGHLIGHT_COLOR1 = Color.RED;
protected static Color EVENT_COLOR = new Color(255, 255, 255);
public CustomProcessDiagramCanvas(int width, int height, int minX, int minY, String imageType,
String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader) {
super(width, height, minX, minY, imageType, activityFontName, labelFontName, annotationFontName,
customClassLoader);
this.initialize(imageType);
}
/**
* 重写绘制连线的方式,设置绘制颜色
*
* @param xPoints
* @param yPoints
* @param conditional
* @param isDefault
* @param connectionType
* @param associationDirection
* @param highLighted
* @param scaleFactor
*/
@Override
public void drawConnection(int[] xPoints, int[] yPoints, boolean conditional, boolean isDefault,
String connectionType, AssociationDirection associationDirection, boolean highLighted, double scaleFactor) {
Paint originalPaint = this.g.getPaint();
Stroke originalStroke = this.g.getStroke();
this.g.setPaint(CONNECTION_COLOR);
if (connectionType.equals("association")) {
this.g.setStroke(ASSOCIATION_STROKE);
} else if (highLighted) {
this.g.setPaint(HIGHLIGHT_SequenceFlow_COLOR);
this.g.setStroke(HIGHLIGHT_FLOW_STROKE);
}
for (int i = 1; i < xPoints.length; ++i) {
Integer sourceX = xPoints[i - 1];
Integer sourceY = yPoints[i - 1];
Integer targetX = xPoints[i];
Integer targetY = yPoints[i];
java.awt.geom.Line2D.Double line =
new java.awt.geom.Line2D.Double((double)sourceX, (double)sourceY, (double)targetX, (double)targetY);
this.g.draw(line);
}
java.awt.geom.Line2D.Double line;
if (isDefault) {
line = new java.awt.geom.Line2D.Double((double)xPoints[0], (double)yPoints[0], (double)xPoints[1],
(double)yPoints[1]);
this.drawDefaultSequenceFlowIndicator(line, scaleFactor);
}
if (conditional) {
line = new java.awt.geom.Line2D.Double((double)xPoints[0], (double)yPoints[0], (double)xPoints[1],
(double)yPoints[1]);
this.drawConditionalSequenceFlowIndicator(line, scaleFactor);
}
if (associationDirection.equals(AssociationDirection.ONE)
|| associationDirection.equals(AssociationDirection.BOTH)) {
line = new java.awt.geom.Line2D.Double((double)xPoints[xPoints.length - 2],
(double)yPoints[xPoints.length - 2], (double)xPoints[xPoints.length - 1],
(double)yPoints[xPoints.length - 1]);
this.drawArrowHead(line, scaleFactor);
}
if (associationDirection.equals(AssociationDirection.BOTH)) {
line = new java.awt.geom.Line2D.Double((double)xPoints[1], (double)yPoints[1], (double)xPoints[0],
(double)yPoints[0]);
this.drawArrowHead(line, scaleFactor);
}
this.g.setPaint(originalPaint);
this.g.setStroke(originalStroke);
}
/**
* 设置字体大小图标颜色
*
* @param imageType
*/
@Override
public void initialize(String imageType) {
if ("png".equalsIgnoreCase(imageType)) {
this.processDiagram = new BufferedImage(this.canvasWidth, this.canvasHeight, 2);
} else {
this.processDiagram = new BufferedImage(this.canvasWidth, this.canvasHeight, 1);
}
this.g = this.processDiagram.createGraphics();
if (!"png".equalsIgnoreCase(imageType)) {
this.g.setBackground(new Color(255, 255, 255, 0));
this.g.clearRect(0, 0, this.canvasWidth, this.canvasHeight);
}
this.g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
// 修改图标颜色,修改图标字体大小
this.g.setPaint(Color.black);
Font font = new Font(this.activityFontName, 10, 14);
this.g.setFont(font);
this.fontMetrics = this.g.getFontMetrics();
// 修改连接线字体大小
LABEL_FONT = new Font(this.labelFontName, 10, 15);
ANNOTATION_FONT = new Font(this.annotationFontName, 0, 11);
try {
USERTASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/userTask.png", this.customClassLoader));
SCRIPTTASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/scriptTask.png", this.customClassLoader));
SERVICETASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/serviceTask.png", this.customClassLoader));
RECEIVETASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/receiveTask.png", this.customClassLoader));
SENDTASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/sendTask.png", this.customClassLoader));
MANUALTASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/manualTask.png", this.customClassLoader));
BUSINESS_RULE_TASK_IMAGE = ImageIO
.read(ReflectUtil.getResource("org/flowable/icons/businessRuleTask.png", this.customClassLoader));
SHELL_TASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/shellTask.png", this.customClassLoader));
DMN_TASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/dmnTask.png", this.customClassLoader));
CAMEL_TASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/camelTask.png", this.customClassLoader));
MULE_TASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/muleTask.png", this.customClassLoader));
HTTP_TASK_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/httpTask.png", this.customClassLoader));
TIMER_IMAGE = ImageIO.read(ReflectUtil.getResource("org/flowable/icons/timer.png", this.customClassLoader));
COMPENSATE_THROW_IMAGE = ImageIO
.read(ReflectUtil.getResource("org/flowable/icons/compensate-throw.png", this.customClassLoader));
COMPENSATE_CATCH_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/compensate.png", this.customClassLoader));
ERROR_THROW_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/error-throw.png", this.customClassLoader));
ERROR_CATCH_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/error.png", this.customClassLoader));
MESSAGE_THROW_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/message-throw.png", this.customClassLoader));
MESSAGE_CATCH_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/message.png", this.customClassLoader));
SIGNAL_THROW_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/signal-throw.png", this.customClassLoader));
SIGNAL_CATCH_IMAGE =
ImageIO.read(ReflectUtil.getResource("org/flowable/icons/signal.png", this.customClassLoader));
} catch (IOException var4) {
LOGGER.warn("Could not load image for process diagram creation: {}", var4.getMessage());
}
}
/**
* 设置连接线字体
*
* @param text
* @param graphicInfo
* @param centered
*/
@Override
public void drawLabel(String text, GraphicInfo graphicInfo, boolean centered) {
float interline = 1.0f;
// text
if (text != null && text.length() > 0) {
Paint originalPaint = g.getPaint();
Font originalFont = g.getFont();
g.setPaint(LABEL_COLOR);
g.setFont(LABEL_FONT);
int wrapWidth = 100;
int textY = (int)graphicInfo.getY();
// TODO: use drawMultilineText()
AttributedString as = new AttributedString(text);
as.addAttribute(TextAttribute.FOREGROUND, g.getPaint());
as.addAttribute(TextAttribute.FONT, g.getFont());
AttributedCharacterIterator aci = as.getIterator();
FontRenderContext frc = new FontRenderContext(null, true, false);
LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);
while (lbm.getPosition() < text.length()) {
TextLayout tl = lbm.nextLayout(wrapWidth);
textY += tl.getAscent();
Rectangle2D bb = tl.getBounds();
double tX = graphicInfo.getX();
if (centered) {
tX += (int)(graphicInfo.getWidth() / 2 - bb.getWidth() / 2);
}
tl.draw(g, (float)tX, textY);
textY += tl.getDescent() + tl.getLeading() + (interline - 1.0f) * tl.getAscent();
}
// restore originals
g.setFont(originalFont);
g.setPaint(originalPaint);
}
}
/**
* 高亮显示task框完成的
*
* @param x
* @param y
* @param width
* @param height
*/
@Override
public void drawHighLight(int x, int y, int width, int height) {
Paint originalPaint = g.getPaint();
Stroke originalStroke = g.getStroke();
g.setPaint(HIGHLIGHT_COLOR);
g.setStroke(THICK_TASK_BORDER_STROKE);
RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, 20, 20);
g.draw(rect);
g.setPaint(originalPaint);
g.setStroke(originalStroke);
}
/**
* 自定义task框当前的位置
*
* @param x
* @param y
* @param width
* @param height
*/
public void drawHighLightNow(int x, int y, int width, int height) {
Paint originalPaint = g.getPaint();
Stroke originalStroke = g.getStroke();
g.setPaint(HIGHLIGHT_COLOR1);
g.setStroke(THICK_TASK_BORDER_STROKE);
RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, 20, 20);
g.draw(rect);
g.setPaint(originalPaint);
g.setStroke(originalStroke);
}
/**
* 自定义结束节点
*
* @param x
* @param y
* @param width
* @param height
*/
public void drawHighLightEnd(int x, int y, int width, int height) {
Paint originalPaint = g.getPaint();
Stroke originalStroke = g.getStroke();
g.setPaint(HIGHLIGHT_COLOR);
g.setStroke(THICK_TASK_BORDER_STROKE);
RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, 20, 20);
g.draw(rect);
g.setPaint(originalPaint);
g.setStroke(originalStroke);
}
/**
* task框自定义文字
*
* @param name
* @param graphicInfo
* @param thickBorder
* @param scaleFactor
*/
@Override
protected void drawTask(String name, GraphicInfo graphicInfo, boolean thickBorder, double scaleFactor) {
Paint originalPaint = g.getPaint();
int x = (int)graphicInfo.getX();
int y = (int)graphicInfo.getY();
int width = (int)graphicInfo.getWidth();
int height = (int)graphicInfo.getHeight();
// Create a new gradient paint for every task box, gradient depends on x and y and is not relative
g.setPaint(TASK_BOX_COLOR);
int arcR = 6;
if (thickBorder) {
arcR = 3;
}
// shape
RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, arcR, arcR);
g.fill(rect);
g.setPaint(TASK_BORDER_COLOR);
if (thickBorder) {
Stroke originalStroke = g.getStroke();
g.setStroke(THICK_TASK_BORDER_STROKE);
g.draw(rect);
g.setStroke(originalStroke);
} else {
g.draw(rect);
}
g.setPaint(originalPaint);
// text
if (scaleFactor == 1.0 && name != null && name.length() > 0) {
int boxWidth = width - (2 * TEXT_PADDING);
int boxHeight = height - 16 - ICON_PADDING - ICON_PADDING - MARKER_WIDTH - 2 - 2;
int boxX = x + width / 2 - boxWidth / 2;
int boxY = y + height / 2 - boxHeight / 2 + ICON_PADDING + ICON_PADDING - 2 - 2;
drawMultilineCentredText(name, boxX, boxY, boxWidth, boxHeight);
}
}
/**
* 重写开始事件
*
* @param graphicInfo
* @param image
* @param scaleFactor
*/
@Override
public void drawStartEvent(GraphicInfo graphicInfo, BufferedImage image, double scaleFactor) {
Paint originalPaint = g.getPaint();
g.setPaint(EVENT_COLOR);
Ellipse2D circle = new Ellipse2D.Double(graphicInfo.getX(), graphicInfo.getY(), graphicInfo.getWidth(),
graphicInfo.getHeight());
g.fill(circle);
g.setPaint(EVENT_BORDER_COLOR);
g.draw(circle);
g.setPaint(originalPaint);
if (image != null) {
// calculate coordinates to center image
int imageX = (int)Math
.round(graphicInfo.getX() + (graphicInfo.getWidth() / 2) - (image.getWidth() / (2 * scaleFactor)));
int imageY = (int)Math
.round(graphicInfo.getY() + (graphicInfo.getHeight() / 2) - (image.getHeight() / (2 * scaleFactor)));
g.drawImage(image, imageX, imageY, (int)(image.getWidth() / scaleFactor),
(int)(image.getHeight() / scaleFactor), null);
}
}
/**
* 重写结束事件
*
* @param graphicInfo
* @param scaleFactor
*/
@Override
public void drawNoneEndEvent(GraphicInfo graphicInfo, double scaleFactor) {
Paint originalPaint = g.getPaint();
Stroke originalStroke = g.getStroke();
g.setPaint(EVENT_COLOR);
Ellipse2D circle = new Ellipse2D.Double(graphicInfo.getX(), graphicInfo.getY(), graphicInfo.getWidth(),
graphicInfo.getHeight());
g.fill(circle);
g.setPaint(EVENT_BORDER_COLOR);
// g.setPaint(HIGHLIGHT_COLOR);
if (scaleFactor == 1.0) {
g.setStroke(END_EVENT_STROKE);
} else {
g.setStroke(new BasicStroke(2.0f));
}
g.draw(circle);
g.setStroke(originalStroke);
g.setPaint(originalPaint);
}
}

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package com.core.flowable.flow;
import java.util.Iterator;
import java.util.List;
import org.flowable.bpmn.model.*;
import org.flowable.bpmn.model.Process;
import org.flowable.image.impl.DefaultProcessDiagramCanvas;
import org.flowable.image.impl.DefaultProcessDiagramGenerator;
/**
* @author system
* @date 2021/4/5 0:31
*/
public class CustomProcessDiagramGenerator extends DefaultProcessDiagramGenerator {
protected static DefaultProcessDiagramCanvas initProcessDiagramCanvas(BpmnModel bpmnModel, String imageType,
String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader) {
double minX = 1.7976931348623157E308D;
double maxX = 0.0D;
double minY = 1.7976931348623157E308D;
double maxY = 0.0D;
GraphicInfo nrOfLanes;
for (Iterator flowNodes = bpmnModel.getPools().iterator(); flowNodes.hasNext();
maxY = nrOfLanes.getY() + nrOfLanes.getHeight()) {
Pool artifacts = (Pool)flowNodes.next();
nrOfLanes = bpmnModel.getGraphicInfo(artifacts.getId());
minX = nrOfLanes.getX();
maxX = nrOfLanes.getX() + nrOfLanes.getWidth();
minY = nrOfLanes.getY();
}
List var23 = gatherAllFlowNodes(bpmnModel);
Iterator var24 = var23.iterator();
label155:
while (var24.hasNext()) {
FlowNode var26 = (FlowNode)var24.next();
GraphicInfo artifact = bpmnModel.getGraphicInfo(var26.getId());
if (artifact.getX() + artifact.getWidth() > maxX) {
maxX = artifact.getX() + artifact.getWidth();
}
if (artifact.getX() < minX) {
minX = artifact.getX();
}
if (artifact.getY() + artifact.getHeight() > maxY) {
maxY = artifact.getY() + artifact.getHeight();
}
if (artifact.getY() < minY) {
minY = artifact.getY();
}
Iterator process = var26.getOutgoingFlows().iterator();
while (true) {
List l;
do {
if (!process.hasNext()) {
continue label155;
}
SequenceFlow graphicInfoList = (SequenceFlow)process.next();
l = bpmnModel.getFlowLocationGraphicInfo(graphicInfoList.getId());
} while (l == null);
Iterator graphicInfo = l.iterator();
while (graphicInfo.hasNext()) {
GraphicInfo graphicInfo1 = (GraphicInfo)graphicInfo.next();
if (graphicInfo1.getX() > maxX) {
maxX = graphicInfo1.getX();
}
if (graphicInfo1.getX() < minX) {
minX = graphicInfo1.getX();
}
if (graphicInfo1.getY() > maxY) {
maxY = graphicInfo1.getY();
}
if (graphicInfo1.getY() < minY) {
minY = graphicInfo1.getY();
}
}
}
}
List var25 = gatherAllArtifacts(bpmnModel);
Iterator var27 = var25.iterator();
GraphicInfo var37;
while (var27.hasNext()) {
Artifact var29 = (Artifact)var27.next();
GraphicInfo var31 = bpmnModel.getGraphicInfo(var29.getId());
if (var31 != null) {
if (var31.getX() + var31.getWidth() > maxX) {
maxX = var31.getX() + var31.getWidth();
}
if (var31.getX() < minX) {
minX = var31.getX();
}
if (var31.getY() + var31.getHeight() > maxY) {
maxY = var31.getY() + var31.getHeight();
}
if (var31.getY() < minY) {
minY = var31.getY();
}
}
List var33 = bpmnModel.getFlowLocationGraphicInfo(var29.getId());
if (var33 != null) {
Iterator var35 = var33.iterator();
while (var35.hasNext()) {
var37 = (GraphicInfo)var35.next();
if (var37.getX() > maxX) {
maxX = var37.getX();
}
if (var37.getX() < minX) {
minX = var37.getX();
}
if (var37.getY() > maxY) {
maxY = var37.getY();
}
if (var37.getY() < minY) {
minY = var37.getY();
}
}
}
}
int var28 = 0;
Iterator var30 = bpmnModel.getProcesses().iterator();
while (var30.hasNext()) {
Process var32 = (Process)var30.next();
Iterator var34 = var32.getLanes().iterator();
while (var34.hasNext()) {
Lane var36 = (Lane)var34.next();
++var28;
var37 = bpmnModel.getGraphicInfo(var36.getId());
if (var37.getX() + var37.getWidth() > maxX) {
maxX = var37.getX() + var37.getWidth();
}
if (var37.getX() < minX) {
minX = var37.getX();
}
if (var37.getY() + var37.getHeight() > maxY) {
maxY = var37.getY() + var37.getHeight();
}
if (var37.getY() < minY) {
minY = var37.getY();
}
}
}
if (var23.isEmpty() && bpmnModel.getPools().isEmpty() && var28 == 0) {
minX = 0.0D;
minY = 0.0D;
}
return new CustomProcessDiagramCanvas((int)maxX + 10, (int)maxY + 10, (int)minX, (int)minY, imageType,
activityFontName, labelFontName, annotationFontName, customClassLoader);
}
private static void drawHighLight(DefaultProcessDiagramCanvas processDiagramCanvas, GraphicInfo graphicInfo) {
processDiagramCanvas.drawHighLight((int)graphicInfo.getX(), (int)graphicInfo.getY(),
(int)graphicInfo.getWidth(), (int)graphicInfo.getHeight());
}
private static void drawHighLightNow(CustomProcessDiagramCanvas processDiagramCanvas, GraphicInfo graphicInfo) {
processDiagramCanvas.drawHighLightNow((int)graphicInfo.getX(), (int)graphicInfo.getY(),
(int)graphicInfo.getWidth(), (int)graphicInfo.getHeight());
}
private static void drawHighLightEnd(CustomProcessDiagramCanvas processDiagramCanvas, GraphicInfo graphicInfo) {
processDiagramCanvas.drawHighLightEnd((int)graphicInfo.getX(), (int)graphicInfo.getY(),
(int)graphicInfo.getWidth(), (int)graphicInfo.getHeight());
}
@Override
protected DefaultProcessDiagramCanvas generateProcessDiagram(BpmnModel bpmnModel, String imageType,
List<String> highLightedActivities, List<String> highLightedFlows, String activityFontName,
String labelFontName, String annotationFontName, ClassLoader customClassLoader, double scaleFactor,
boolean drawSequenceFlowNameWithNoLabelDI) {
this.prepareBpmnModel(bpmnModel);
DefaultProcessDiagramCanvas processDiagramCanvas = initProcessDiagramCanvas(bpmnModel, imageType,
activityFontName, labelFontName, annotationFontName, customClassLoader);
Iterator var13 = bpmnModel.getPools().iterator();
while (var13.hasNext()) {
Pool process = (Pool)var13.next();
GraphicInfo subProcesses = bpmnModel.getGraphicInfo(process.getId());
processDiagramCanvas.drawPoolOrLane(process.getName(), subProcesses, scaleFactor);
}
var13 = bpmnModel.getProcesses().iterator();
Process process1;
Iterator subProcesses1;
while (var13.hasNext()) {
process1 = (Process)var13.next();
subProcesses1 = process1.getLanes().iterator();
while (subProcesses1.hasNext()) {
Lane artifact = (Lane)subProcesses1.next();
GraphicInfo subProcess = bpmnModel.getGraphicInfo(artifact.getId());
processDiagramCanvas.drawPoolOrLane(artifact.getName(), subProcess, scaleFactor);
}
}
var13 = bpmnModel.getProcesses().iterator();
while (var13.hasNext()) {
process1 = (Process)var13.next();
subProcesses1 = process1.findFlowElementsOfType(FlowNode.class).iterator();
while (subProcesses1.hasNext()) {
FlowNode artifact1 = (FlowNode)subProcesses1.next();
if (!this.isPartOfCollapsedSubProcess(artifact1, bpmnModel)) {
this.drawActivity(processDiagramCanvas, bpmnModel, artifact1, highLightedActivities,
highLightedFlows, scaleFactor, Boolean.valueOf(drawSequenceFlowNameWithNoLabelDI));
}
}
}
var13 = bpmnModel.getProcesses().iterator();
label75:
while (true) {
List subProcesses2;
do {
if (!var13.hasNext()) {
return processDiagramCanvas;
}
process1 = (Process)var13.next();
subProcesses1 = process1.getArtifacts().iterator();
while (subProcesses1.hasNext()) {
Artifact artifact2 = (Artifact)subProcesses1.next();
this.drawArtifact(processDiagramCanvas, bpmnModel, artifact2);
}
subProcesses2 = process1.findFlowElementsOfType(SubProcess.class, true);
} while (subProcesses2 == null);
Iterator artifact3 = subProcesses2.iterator();
while (true) {
GraphicInfo graphicInfo;
SubProcess subProcess1;
do {
do {
if (!artifact3.hasNext()) {
continue label75;
}
subProcess1 = (SubProcess)artifact3.next();
graphicInfo = bpmnModel.getGraphicInfo(subProcess1.getId());
} while (graphicInfo != null && graphicInfo.getExpanded() != null
&& !graphicInfo.getExpanded().booleanValue());
} while (this.isPartOfCollapsedSubProcess(subProcess1, bpmnModel));
Iterator var19 = subProcess1.getArtifacts().iterator();
while (var19.hasNext()) {
Artifact subProcessArtifact = (Artifact)var19.next();
this.drawArtifact(processDiagramCanvas, bpmnModel, subProcessArtifact);
}
}
}
}
@Override
protected void drawActivity(DefaultProcessDiagramCanvas processDiagramCanvas, BpmnModel bpmnModel,
FlowNode flowNode, java.util.List<String> highLightedActivities, java.util.List<String> highLightedFlows,
double scaleFactor, Boolean drawSequenceFlowNameWithNoLabelDI) {
DefaultProcessDiagramGenerator.ActivityDrawInstruction drawInstruction =
activityDrawInstructions.get(flowNode.getClass());
if (drawInstruction != null) {
drawInstruction.draw(processDiagramCanvas, bpmnModel, flowNode);
// Gather info on the multi instance marker
boolean multiInstanceSequential = false;
boolean multiInstanceParallel = false;
boolean collapsed = false;
if (flowNode instanceof Activity) {
Activity activity = (Activity)flowNode;
MultiInstanceLoopCharacteristics multiInstanceLoopCharacteristics = activity.getLoopCharacteristics();
if (multiInstanceLoopCharacteristics != null) {
multiInstanceSequential = multiInstanceLoopCharacteristics.isSequential();
multiInstanceParallel = !multiInstanceSequential;
}
}
// Gather info on the collapsed marker
GraphicInfo graphicInfo = bpmnModel.getGraphicInfo(flowNode.getId());
if (flowNode instanceof SubProcess) {
collapsed = graphicInfo.getExpanded() != null && !graphicInfo.getExpanded();
} else if (flowNode instanceof CallActivity) {
collapsed = true;
}
if (scaleFactor == 1.0) {
// Actually draw the markers
processDiagramCanvas.drawActivityMarkers((int)graphicInfo.getX(), (int)graphicInfo.getY(),
(int)graphicInfo.getWidth(), (int)graphicInfo.getHeight(), multiInstanceSequential,
multiInstanceParallel, collapsed);
}
// Draw highlighted activities
if (highLightedActivities.contains(flowNode.getId())) {
if (highLightedActivities.get(highLightedActivities.size() - 1).equals(flowNode.getId())
&& !"endenv".equals(flowNode.getId())) {
if ((flowNode.getId().contains("Event_"))) {
drawHighLightEnd((CustomProcessDiagramCanvas)processDiagramCanvas,
bpmnModel.getGraphicInfo(flowNode.getId()));
} else {
drawHighLightNow((CustomProcessDiagramCanvas)processDiagramCanvas,
bpmnModel.getGraphicInfo(flowNode.getId()));
}
} else {
drawHighLight(processDiagramCanvas, bpmnModel.getGraphicInfo(flowNode.getId()));
}
}
}
// Outgoing transitions of activity
for (SequenceFlow sequenceFlow : flowNode.getOutgoingFlows()) {
boolean highLighted = (highLightedFlows.contains(sequenceFlow.getId()));
String defaultFlow = null;
if (flowNode instanceof Activity) {
defaultFlow = ((Activity)flowNode).getDefaultFlow();
} else if (flowNode instanceof Gateway) {
defaultFlow = ((Gateway)flowNode).getDefaultFlow();
}
boolean isDefault = false;
if (defaultFlow != null && defaultFlow.equalsIgnoreCase(sequenceFlow.getId())) {
isDefault = true;
}
boolean drawConditionalIndicator =
sequenceFlow.getConditionExpression() != null && !(flowNode instanceof Gateway);
String sourceRef = sequenceFlow.getSourceRef();
String targetRef = sequenceFlow.getTargetRef();
FlowElement sourceElement = bpmnModel.getFlowElement(sourceRef);
FlowElement targetElement = bpmnModel.getFlowElement(targetRef);
java.util.List<GraphicInfo> graphicInfoList = bpmnModel.getFlowLocationGraphicInfo(sequenceFlow.getId());
if (graphicInfoList != null && graphicInfoList.size() > 0) {
graphicInfoList = connectionPerfectionizer(processDiagramCanvas, bpmnModel, sourceElement,
targetElement, graphicInfoList);
int xPoints[] = new int[graphicInfoList.size()];
int yPoints[] = new int[graphicInfoList.size()];
for (int i = 1; i < graphicInfoList.size(); i++) {
GraphicInfo graphicInfo = graphicInfoList.get(i);
GraphicInfo previousGraphicInfo = graphicInfoList.get(i - 1);
if (i == 1) {
xPoints[0] = (int)previousGraphicInfo.getX();
yPoints[0] = (int)previousGraphicInfo.getY();
}
xPoints[i] = (int)graphicInfo.getX();
yPoints[i] = (int)graphicInfo.getY();
}
processDiagramCanvas.drawSequenceflow(xPoints, yPoints, drawConditionalIndicator, isDefault,
highLighted, scaleFactor);
// Draw sequenceflow label
GraphicInfo labelGraphicInfo = bpmnModel.getLabelGraphicInfo(sequenceFlow.getId());
if (labelGraphicInfo != null) {
processDiagramCanvas.drawLabel(sequenceFlow.getName(), labelGraphicInfo, false);
} else {
if (drawSequenceFlowNameWithNoLabelDI) {
GraphicInfo lineCenter = getLineCenter(graphicInfoList);
processDiagramCanvas.drawLabel(sequenceFlow.getName(), lineCenter, false);
}
}
}
}
// Nested elements
if (flowNode instanceof FlowElementsContainer) {
for (FlowElement nestedFlowElement : ((FlowElementsContainer)flowNode).getFlowElements()) {
if (nestedFlowElement instanceof FlowNode
&& !isPartOfCollapsedSubProcess(nestedFlowElement, bpmnModel)) {
drawActivity(processDiagramCanvas, bpmnModel, (FlowNode)nestedFlowElement, highLightedActivities,
highLightedFlows, scaleFactor, drawSequenceFlowNameWithNoLabelDI);
}
}
}
}
}

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package com.core.flowable.flow;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import org.flowable.bpmn.model.*;
import org.flowable.bpmn.model.Process;
import org.flowable.engine.RepositoryService;
import org.flowable.engine.repository.ProcessDefinition;
import com.googlecode.aviator.AviatorEvaluator;
import com.googlecode.aviator.Expression;
/**
* @author system
* @date 2021/4/19 20:51
*/
public class FindNextNodeUtil {
/**
* 获取下一步骤的用户任务
*
* @param repositoryService
* @param map
* @return
*/
public static List<UserTask> getNextUserTasks(RepositoryService repositoryService, org.flowable.task.api.Task task,
Map<String, Object> map) {
List<UserTask> data = new ArrayList<>();
ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()
.processDefinitionId(task.getProcessDefinitionId()).singleResult();
BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinition.getId());
Process mainProcess = bpmnModel.getMainProcess();
Collection<FlowElement> flowElements = mainProcess.getFlowElements();
String key = task.getTaskDefinitionKey();
FlowElement flowElement = bpmnModel.getFlowElement(key);
next(flowElements, flowElement, map, data);
return data;
}
/**
* 启动流程时获取下一步骤的用户任务
*
* @param repositoryService
* @param map
* @return
*/
public static List<UserTask> getNextUserTasksByStart(RepositoryService repositoryService,
ProcessDefinition processDefinition, Map<String, Object> map) {
List<UserTask> data = new ArrayList<>();
BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinition.getId());
Process mainProcess = bpmnModel.getMainProcess();
Collection<FlowElement> flowElements = mainProcess.getFlowElements();
String key = null;
// 找到开始节点 并获取唯一key
for (FlowElement flowElement : flowElements) {
if (flowElement instanceof StartEvent) {
key = flowElement.getId();
break;
}
}
FlowElement flowElement = bpmnModel.getFlowElement(key);
List<SequenceFlow> sequenceFlows = ((StartEvent)flowElement).getOutgoingFlows();
// 获取出口连线, 此时从开始节点往后,只能是一个出口
if (!sequenceFlows.isEmpty()) {
SequenceFlow sequenceFlow = sequenceFlows.get(0);
FlowElement targetFlowElement = sequenceFlow.getTargetFlowElement();
next(flowElements, targetFlowElement, map, data);
}
return data;
}
/**
* 查找下一节点
*
* @param flowElements
* @param flowElement
* @param map
* @param nextUser
*/
public static void next(Collection<FlowElement> flowElements, FlowElement flowElement, Map<String, Object> map,
List<UserTask> nextUser) {
// 如果是结束节点
if (flowElement instanceof EndEvent) {
// 如果是子任务的结束节点
if (getSubProcess(flowElements, flowElement) != null) {
flowElement = getSubProcess(flowElements, flowElement);
}
}
// 获取Task的出线信息--可以拥有多个
List<SequenceFlow> outGoingFlows = null;
if (flowElement instanceof Task) {
outGoingFlows = ((Task)flowElement).getOutgoingFlows();
} else if (flowElement instanceof Gateway) {
outGoingFlows = ((Gateway)flowElement).getOutgoingFlows();
} else if (flowElement instanceof StartEvent) {
outGoingFlows = ((StartEvent)flowElement).getOutgoingFlows();
} else if (flowElement instanceof SubProcess) {
outGoingFlows = ((SubProcess)flowElement).getOutgoingFlows();
} else if (flowElement instanceof CallActivity) {
outGoingFlows = ((CallActivity)flowElement).getOutgoingFlows();
}
if (outGoingFlows != null && outGoingFlows.size() > 0) {
// 遍历所有的出线--找到可以正确执行的那一条
for (SequenceFlow sequenceFlow : outGoingFlows) {
// 1.有表达式且为true
// 2.无表达式
String expression = sequenceFlow.getConditionExpression();
if (expression == null || expressionResult(map,
expression.substring(expression.lastIndexOf("{") + 1, expression.lastIndexOf("}")))) {
// 出线的下一节点
String nextFlowElementID = sequenceFlow.getTargetRef();
if (checkSubProcess(nextFlowElementID, flowElements, nextUser)) {
continue;
}
// 查询下一节点的信息
FlowElement nextFlowElement = getFlowElementById(nextFlowElementID, flowElements);
// 调用流程
if (nextFlowElement instanceof CallActivity) {
CallActivity ca = (CallActivity)nextFlowElement;
if (ca.getLoopCharacteristics() != null) {
UserTask userTask = new UserTask();
userTask.setId(ca.getId());
userTask.setId(ca.getId());
userTask.setLoopCharacteristics(ca.getLoopCharacteristics());
userTask.setName(ca.getName());
nextUser.add(userTask);
}
next(flowElements, nextFlowElement, map, nextUser);
}
// 用户任务
if (nextFlowElement instanceof UserTask) {
nextUser.add((UserTask)nextFlowElement);
}
// 排他网关
else if (nextFlowElement instanceof ExclusiveGateway) {
next(flowElements, nextFlowElement, map, nextUser);
}
// 并行网关
else if (nextFlowElement instanceof ParallelGateway) {
next(flowElements, nextFlowElement, map, nextUser);
}
// 接收任务
else if (nextFlowElement instanceof ReceiveTask) {
next(flowElements, nextFlowElement, map, nextUser);
}
// 服务任务
else if (nextFlowElement instanceof ServiceTask) {
next(flowElements, nextFlowElement, map, nextUser);
}
// 子任务的起点
else if (nextFlowElement instanceof StartEvent) {
next(flowElements, nextFlowElement, map, nextUser);
}
// 结束节点
else if (nextFlowElement instanceof EndEvent) {
next(flowElements, nextFlowElement, map, nextUser);
}
}
}
}
}
/**
* 判断是否是多实例子流程并且需要设置集合类型变量
*/
public static boolean checkSubProcess(String id, Collection<FlowElement> flowElements, List<UserTask> nextUser) {
for (FlowElement flowElement1 : flowElements) {
if (flowElement1 instanceof SubProcess && flowElement1.getId().equals(id)) {
SubProcess sp = (SubProcess)flowElement1;
if (sp.getLoopCharacteristics() != null) {
// String inputDataItem = sp.getLoopCharacteristics().getInputDataItem();
UserTask userTask = new UserTask();
userTask.setId(sp.getId());
userTask.setLoopCharacteristics(sp.getLoopCharacteristics());
userTask.setName(sp.getName());
nextUser.add(userTask);
return true;
}
}
}
return false;
}
/**
* 查询一个节点的是否子任务中的节点,如果是,返回子任务
*
* @param flowElements 全流程的节点集合
* @param flowElement 当前节点
* @return
*/
public static FlowElement getSubProcess(Collection<FlowElement> flowElements, FlowElement flowElement) {
for (FlowElement flowElement1 : flowElements) {
if (flowElement1 instanceof SubProcess) {
for (FlowElement flowElement2 : ((SubProcess)flowElement1).getFlowElements()) {
if (flowElement.equals(flowElement2)) {
return flowElement1;
}
}
}
}
return null;
}
/**
* 根据ID查询流程节点对象, 如果是子任务,则返回子任务的开始节点
*
* @param Id 节点ID
* @param flowElements 流程节点集合
* @return
*/
public static FlowElement getFlowElementById(String Id, Collection<FlowElement> flowElements) {
for (FlowElement flowElement : flowElements) {
if (flowElement.getId().equals(Id)) {
// 如果是子任务,则查询出子任务的开始节点
if (flowElement instanceof SubProcess) {
return getStartFlowElement(((SubProcess)flowElement).getFlowElements());
}
return flowElement;
}
if (flowElement instanceof SubProcess) {
FlowElement flowElement1 = getFlowElementById(Id, ((SubProcess)flowElement).getFlowElements());
if (flowElement1 != null) {
return flowElement1;
}
}
}
return null;
}
/**
* 返回流程的开始节点
*
* @param flowElements 节点集合
* @description:
*/
public static FlowElement getStartFlowElement(Collection<FlowElement> flowElements) {
for (FlowElement flowElement : flowElements) {
if (flowElement instanceof StartEvent) {
return flowElement;
}
}
return null;
}
/**
* 校验el表达式
*
* @param map
* @param expression
* @return
*/
public static boolean expressionResult(Map<String, Object> map, String expression) {
Expression exp = AviatorEvaluator.compile(expression);
return (Boolean)exp.execute(map);
// return true;
}
}

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@@ -0,0 +1,739 @@
package com.core.flowable.flow;
import java.util.*;
import java.util.stream.Collectors;
import org.flowable.bpmn.model.*;
import org.flowable.engine.RepositoryService;
import org.flowable.engine.impl.bpmn.behavior.ParallelMultiInstanceBehavior;
import org.flowable.engine.impl.bpmn.behavior.SequentialMultiInstanceBehavior;
import org.flowable.engine.repository.ProcessDefinition;
import org.flowable.task.api.history.HistoricTaskInstance;
import lombok.extern.slf4j.Slf4j;
/**
* @author system
* @date 2021-04-03 23:57
*/
@Slf4j
public class FlowableUtils {
/**
* 根据节点,获取入口连线
*
* @param source
* @return
*/
public static List<SequenceFlow> getElementIncomingFlows(FlowElement source) {
List<SequenceFlow> sequenceFlows = null;
if (source instanceof FlowNode) {
sequenceFlows = ((FlowNode)source).getIncomingFlows();
} else if (source instanceof Gateway) {
sequenceFlows = ((Gateway)source).getIncomingFlows();
} else if (source instanceof SubProcess) {
sequenceFlows = ((SubProcess)source).getIncomingFlows();
} else if (source instanceof StartEvent) {
sequenceFlows = ((StartEvent)source).getIncomingFlows();
} else if (source instanceof EndEvent) {
sequenceFlows = ((EndEvent)source).getIncomingFlows();
}
return sequenceFlows;
}
/**
* 根据节点,获取出口连线
*
* @param source
* @return
*/
public static List<SequenceFlow> getElementOutgoingFlows(FlowElement source) {
List<SequenceFlow> sequenceFlows = null;
if (source instanceof FlowNode) {
sequenceFlows = ((FlowNode)source).getOutgoingFlows();
} else if (source instanceof Gateway) {
sequenceFlows = ((Gateway)source).getOutgoingFlows();
} else if (source instanceof SubProcess) {
sequenceFlows = ((SubProcess)source).getOutgoingFlows();
} else if (source instanceof StartEvent) {
sequenceFlows = ((StartEvent)source).getOutgoingFlows();
} else if (source instanceof EndEvent) {
sequenceFlows = ((EndEvent)source).getOutgoingFlows();
}
return sequenceFlows;
}
/**
* 获取全部节点列表,包含子流程节点
*
* @param flowElements
* @param allElements
* @return
*/
public static Collection<FlowElement> getAllElements(Collection<FlowElement> flowElements,
Collection<FlowElement> allElements) {
allElements = allElements == null ? new ArrayList<>() : allElements;
for (FlowElement flowElement : flowElements) {
allElements.add(flowElement);
if (flowElement instanceof SubProcess) {
// 继续深入子流程,进一步获取子流程
allElements = FlowableUtils.getAllElements(((SubProcess)flowElement).getFlowElements(), allElements);
}
}
return allElements;
}
/**
* 迭代获取父级任务节点列表,向前找
*
* @param source 起始节点
* @param hasSequenceFlow 已经经过的连线的 ID用于判断线路是否重复
* @param userTaskList 已找到的用户任务节点
* @return
*/
public static List<UserTask> iteratorFindParentUserTasks(FlowElement source, Set<String> hasSequenceFlow,
List<UserTask> userTaskList) {
userTaskList = userTaskList == null ? new ArrayList<>() : userTaskList;
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
// 如果该节点为开始节点,且存在上级子节点,则顺着上级子节点继续迭代
if (source instanceof StartEvent && source.getSubProcess() != null) {
userTaskList = iteratorFindParentUserTasks(source.getSubProcess(), hasSequenceFlow, userTaskList);
}
// 根据类型,获取入口连线
List<SequenceFlow> sequenceFlows = getElementIncomingFlows(source);
if (sequenceFlows != null) {
// 循环找到目标元素
for (SequenceFlow sequenceFlow : sequenceFlows) {
// 如果发现连线重复,说明循环了,跳过这个循环
if (hasSequenceFlow.contains(sequenceFlow.getId())) {
continue;
}
// 添加已经走过的连线
hasSequenceFlow.add(sequenceFlow.getId());
// 类型为用户节点,则新增父级节点
if (sequenceFlow.getSourceFlowElement() instanceof UserTask) {
userTaskList.add((UserTask)sequenceFlow.getSourceFlowElement());
continue;
}
// 类型为子流程,则添加子流程开始节点出口处相连的节点
if (sequenceFlow.getSourceFlowElement() instanceof SubProcess) {
// 获取子流程用户任务节点
List<UserTask> childUserTaskList = findChildProcessUserTasks(
(StartEvent)((SubProcess)sequenceFlow.getSourceFlowElement()).getFlowElements().toArray()[0],
null, null);
// 如果找到节点,则说明该线路找到节点,不继续向下找,反之继续
if (childUserTaskList != null && childUserTaskList.size() > 0) {
userTaskList.addAll(childUserTaskList);
continue;
}
}
// 继续迭代
userTaskList =
iteratorFindParentUserTasks(sequenceFlow.getSourceFlowElement(), hasSequenceFlow, userTaskList);
}
}
return userTaskList;
}
/**
* 根据正在运行的任务节点,迭代获取子级任务节点列表,向后找
*
* @param source 起始节点(退回节点)
* @param runTaskKeyList 正在运行的任务 Key用于校验任务节点是否是正在运行的节点
* @param hasSequenceFlow 已经经过的连线的 ID用于判断线路是否重复
* @param userTaskList 需要撤回的用户任务列表
* @return
*/
public static List<UserTask> iteratorFindChildUserTasks(FlowElement source, List<String> runTaskKeyList,
Set<String> hasSequenceFlow, List<UserTask> userTaskList) {
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
userTaskList = userTaskList == null ? new ArrayList<>() : userTaskList;
// 如果该节点为开始节点,且存在上级子节点,则顺着上级子节点继续迭代
if (source instanceof EndEvent && source.getSubProcess() != null) {
userTaskList =
iteratorFindChildUserTasks(source.getSubProcess(), runTaskKeyList, hasSequenceFlow, userTaskList);
}
// 根据类型,获取出口连线
List<SequenceFlow> sequenceFlows = getElementOutgoingFlows(source);
if (sequenceFlows != null) {
// 循环找到目标元素
for (SequenceFlow sequenceFlow : sequenceFlows) {
// 如果发现连线重复,说明循环了,跳过这个循环
if (hasSequenceFlow.contains(sequenceFlow.getId())) {
continue;
}
// 添加已经走过的连线
hasSequenceFlow.add(sequenceFlow.getId());
// 如果为用户任务类型,且任务节点的 Key 正在运行的任务中存在,添加
if (sequenceFlow.getTargetFlowElement() instanceof UserTask
&& runTaskKeyList.contains((sequenceFlow.getTargetFlowElement()).getId())) {
userTaskList.add((UserTask)sequenceFlow.getTargetFlowElement());
continue;
}
// 如果节点为子流程节点情况,则从节点中的第一个节点开始获取
if (sequenceFlow.getTargetFlowElement() instanceof SubProcess) {
List<UserTask> childUserTaskList = iteratorFindChildUserTasks(
(FlowElement)(((SubProcess)sequenceFlow.getTargetFlowElement()).getFlowElements().toArray()[0]),
runTaskKeyList, hasSequenceFlow, null);
// 如果找到节点,则说明该线路找到节点,不继续向下找,反之继续
if (childUserTaskList != null && childUserTaskList.size() > 0) {
userTaskList.addAll(childUserTaskList);
continue;
}
}
// 继续迭代
userTaskList = iteratorFindChildUserTasks(sequenceFlow.getTargetFlowElement(), runTaskKeyList,
hasSequenceFlow, userTaskList);
}
}
return userTaskList;
}
/**
* 迭代获取子流程用户任务节点
*
* @param source 起始节点
* @param hasSequenceFlow 已经经过的连线的 ID用于判断线路是否重复
* @param userTaskList 需要撤回的用户任务列表
* @return
*/
public static List<UserTask> findChildProcessUserTasks(FlowElement source, Set<String> hasSequenceFlow,
List<UserTask> userTaskList) {
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
userTaskList = userTaskList == null ? new ArrayList<>() : userTaskList;
// 根据类型,获取出口连线
List<SequenceFlow> sequenceFlows = getElementOutgoingFlows(source);
if (sequenceFlows != null) {
// 循环找到目标元素
for (SequenceFlow sequenceFlow : sequenceFlows) {
// 如果发现连线重复,说明循环了,跳过这个循环
if (hasSequenceFlow.contains(sequenceFlow.getId())) {
continue;
}
// 添加已经走过的连线
hasSequenceFlow.add(sequenceFlow.getId());
// 如果为用户任务类型,且任务节点的 Key 正在运行的任务中存在,添加
if (sequenceFlow.getTargetFlowElement() instanceof UserTask) {
userTaskList.add((UserTask)sequenceFlow.getTargetFlowElement());
continue;
}
// 如果节点为子流程节点情况,则从节点中的第一个节点开始获取
if (sequenceFlow.getTargetFlowElement() instanceof SubProcess) {
List<UserTask> childUserTaskList = findChildProcessUserTasks(
(FlowElement)(((SubProcess)sequenceFlow.getTargetFlowElement()).getFlowElements().toArray()[0]),
hasSequenceFlow, null);
// 如果找到节点,则说明该线路找到节点,不继续向下找,反之继续
if (childUserTaskList != null && childUserTaskList.size() > 0) {
userTaskList.addAll(childUserTaskList);
continue;
}
}
// 继续迭代
userTaskList =
findChildProcessUserTasks(sequenceFlow.getTargetFlowElement(), hasSequenceFlow, userTaskList);
}
}
return userTaskList;
}
/**
* 从后向前寻路,获取所有脏线路上的点
*
* @param source 起始节点
* @param passRoads 已经经过的点集合
* @param hasSequenceFlow 已经经过的连线的 ID用于判断线路是否重复
* @param targets 目标脏线路终点
* @param dirtyRoads 确定为脏数据的点,因为不需要重复,因此使用 set 存储
* @return
*/
public static Set<String> iteratorFindDirtyRoads(FlowElement source, List<String> passRoads,
Set<String> hasSequenceFlow, List<String> targets, Set<String> dirtyRoads) {
passRoads = passRoads == null ? new ArrayList<>() : passRoads;
dirtyRoads = dirtyRoads == null ? new HashSet<>() : dirtyRoads;
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
// 如果该节点为开始节点,且存在上级子节点,则顺着上级子节点继续迭代
if (source instanceof StartEvent && source.getSubProcess() != null) {
dirtyRoads =
iteratorFindDirtyRoads(source.getSubProcess(), passRoads, hasSequenceFlow, targets, dirtyRoads);
}
// 根据类型,获取入口连线
List<SequenceFlow> sequenceFlows = getElementIncomingFlows(source);
if (sequenceFlows != null) {
// 循环找到目标元素
for (SequenceFlow sequenceFlow : sequenceFlows) {
// 如果发现连线重复,说明循环了,跳过这个循环
if (hasSequenceFlow.contains(sequenceFlow.getId())) {
continue;
}
// 添加已经走过的连线
hasSequenceFlow.add(sequenceFlow.getId());
// 新增经过的路线
passRoads.add(sequenceFlow.getSourceFlowElement().getId());
// 如果此点为目标点,确定经过的路线为脏线路,添加点到脏线路中,然后找下个连线
if (targets.contains(sequenceFlow.getSourceFlowElement().getId())) {
dirtyRoads.addAll(passRoads);
continue;
}
// 如果该节点为开始节点,且存在上级子节点,则顺着上级子节点继续迭代
if (sequenceFlow.getSourceFlowElement() instanceof SubProcess) {
dirtyRoads = findChildProcessAllDirtyRoad(
(StartEvent)((SubProcess)sequenceFlow.getSourceFlowElement()).getFlowElements().toArray()[0],
null, dirtyRoads);
// 是否存在子流程上true 是false 否
Boolean isInChildProcess = dirtyTargetInChildProcess(
(StartEvent)((SubProcess)sequenceFlow.getSourceFlowElement()).getFlowElements().toArray()[0],
null, targets, null);
if (isInChildProcess) {
// 已在子流程上找到,该路线结束
continue;
}
}
// 继续迭代
dirtyRoads = iteratorFindDirtyRoads(sequenceFlow.getSourceFlowElement(), passRoads, hasSequenceFlow,
targets, dirtyRoads);
}
}
return dirtyRoads;
}
/**
* 迭代获取子流程脏路线 说明,假如回退的点就是子流程,那么也肯定会回退到子流程最初的用户任务节点,因此子流程中的节点全是脏路线
*
* @param source 起始节点
* @param hasSequenceFlow 已经经过的连线的 ID用于判断线路是否重复
* @param dirtyRoads 确定为脏数据的点,因为不需要重复,因此使用 set 存储
* @return
*/
public static Set<String> findChildProcessAllDirtyRoad(FlowElement source, Set<String> hasSequenceFlow,
Set<String> dirtyRoads) {
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
dirtyRoads = dirtyRoads == null ? new HashSet<>() : dirtyRoads;
// 根据类型,获取出口连线
List<SequenceFlow> sequenceFlows = getElementOutgoingFlows(source);
if (sequenceFlows != null) {
// 循环找到目标元素
for (SequenceFlow sequenceFlow : sequenceFlows) {
// 如果发现连线重复,说明循环了,跳过这个循环
if (hasSequenceFlow.contains(sequenceFlow.getId())) {
continue;
}
// 添加已经走过的连线
hasSequenceFlow.add(sequenceFlow.getId());
// 添加脏路线
dirtyRoads.add(sequenceFlow.getTargetFlowElement().getId());
// 如果节点为子流程节点情况,则从节点中的第一个节点开始获取
if (sequenceFlow.getTargetFlowElement() instanceof SubProcess) {
dirtyRoads = findChildProcessAllDirtyRoad(
(FlowElement)(((SubProcess)sequenceFlow.getTargetFlowElement()).getFlowElements().toArray()[0]),
hasSequenceFlow, dirtyRoads);
}
// 继续迭代
dirtyRoads =
findChildProcessAllDirtyRoad(sequenceFlow.getTargetFlowElement(), hasSequenceFlow, dirtyRoads);
}
}
return dirtyRoads;
}
/**
* 判断脏路线结束节点是否在子流程上
*
* @param source 起始节点
* @param hasSequenceFlow 已经经过的连线的 ID用于判断线路是否重复
* @param targets 判断脏路线节点是否存在子流程上,只要存在一个,说明脏路线只到子流程为止
* @param inChildProcess 是否存在子流程上true 是false 否
* @return
*/
public static Boolean dirtyTargetInChildProcess(FlowElement source, Set<String> hasSequenceFlow,
List<String> targets, Boolean inChildProcess) {
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
inChildProcess = inChildProcess != null && inChildProcess;
// 根据类型,获取出口连线
List<SequenceFlow> sequenceFlows = getElementOutgoingFlows(source);
if (sequenceFlows != null && !inChildProcess) {
// 循环找到目标元素
for (SequenceFlow sequenceFlow : sequenceFlows) {
// 如果发现连线重复,说明循环了,跳过这个循环
if (hasSequenceFlow.contains(sequenceFlow.getId())) {
continue;
}
// 添加已经走过的连线
hasSequenceFlow.add(sequenceFlow.getId());
// 如果发现目标点在子流程上存在,说明只到子流程为止
if (targets.contains(sequenceFlow.getTargetFlowElement().getId())) {
inChildProcess = true;
break;
}
// 如果节点为子流程节点情况,则从节点中的第一个节点开始获取
if (sequenceFlow.getTargetFlowElement() instanceof SubProcess) {
inChildProcess = dirtyTargetInChildProcess(
(FlowElement)(((SubProcess)sequenceFlow.getTargetFlowElement()).getFlowElements().toArray()[0]),
hasSequenceFlow, targets, inChildProcess);
}
// 继续迭代
inChildProcess = dirtyTargetInChildProcess(sequenceFlow.getTargetFlowElement(), hasSequenceFlow,
targets, inChildProcess);
}
}
return inChildProcess;
}
/**
* 迭代从后向前扫描,判断目标节点相对于当前节点是否是串行 不存在直接回退到子流程中的情况,但存在从子流程出去到父流程情况
*
* @param source 起始节点
* @param isSequential 是否串行
* @param hasSequenceFlow 已经经过的连线的 ID用于判断线路是否重复
* @param targetKsy 目标节点
* @return
*/
public static Boolean iteratorCheckSequentialReferTarget(FlowElement source, String targetKsy,
Set<String> hasSequenceFlow, Boolean isSequential) {
isSequential = isSequential == null || isSequential;
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
// 如果该节点为开始节点,且存在上级子节点,则顺着上级子节点继续迭代
if (source instanceof StartEvent && source.getSubProcess() != null) {
isSequential =
iteratorCheckSequentialReferTarget(source.getSubProcess(), targetKsy, hasSequenceFlow, isSequential);
}
// 根据类型,获取入口连线
List<SequenceFlow> sequenceFlows = getElementIncomingFlows(source);
if (sequenceFlows != null) {
// 循环找到目标元素
for (SequenceFlow sequenceFlow : sequenceFlows) {
// 如果发现连线重复,说明循环了,跳过这个循环
if (hasSequenceFlow.contains(sequenceFlow.getId())) {
continue;
}
// 添加已经走过的连线
hasSequenceFlow.add(sequenceFlow.getId());
// 如果目标节点已被判断为并行,后面都不需要执行,直接返回
if (!isSequential) {
break;
}
// 这条线路存在目标节点,这条线路完成,进入下个线路
if (targetKsy.equals(sequenceFlow.getSourceFlowElement().getId())) {
continue;
}
if (sequenceFlow.getSourceFlowElement() instanceof StartEvent) {
isSequential = false;
break;
}
// 否则就继续迭代
isSequential = iteratorCheckSequentialReferTarget(sequenceFlow.getSourceFlowElement(), targetKsy,
hasSequenceFlow, isSequential);
}
}
return isSequential;
}
/**
* 从后向前寻路,获取到达节点的所有路线 不存在直接回退到子流程,但是存在回退到父级流程的情况
*
* @param source 起始节点
* @param passRoads 已经经过的点集合
* @param roads 路线
* @return
*/
public static List<List<UserTask>> findRoad(FlowElement source, List<UserTask> passRoads,
Set<String> hasSequenceFlow, List<List<UserTask>> roads) {
passRoads = passRoads == null ? new ArrayList<>() : passRoads;
roads = roads == null ? new ArrayList<>() : roads;
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
// 如果该节点为开始节点,且存在上级子节点,则顺着上级子节点继续迭代
if (source instanceof StartEvent && source.getSubProcess() != null) {
roads = findRoad(source.getSubProcess(), passRoads, hasSequenceFlow, roads);
}
// 根据类型,获取入口连线
List<SequenceFlow> sequenceFlows = getElementIncomingFlows(source);
if (sequenceFlows != null && sequenceFlows.size() != 0) {
for (SequenceFlow sequenceFlow : sequenceFlows) {
// 如果发现连线重复,说明循环了,跳过这个循环
if (hasSequenceFlow.contains(sequenceFlow.getId())) {
continue;
}
// 添加已经走过的连线
hasSequenceFlow.add(sequenceFlow.getId());
// 添加经过路线
if (sequenceFlow.getSourceFlowElement() instanceof UserTask) {
passRoads.add((UserTask)sequenceFlow.getSourceFlowElement());
}
// 继续迭代
roads = findRoad(sequenceFlow.getSourceFlowElement(), passRoads, hasSequenceFlow, roads);
}
} else {
// 添加路线
roads.add(passRoads);
}
return roads;
}
/**
* 历史节点数据清洗,清洗掉又回滚导致的脏数据
*
* @param allElements 全部节点信息
* @param historicTaskInstanceList 历史任务实例信息,数据采用开始时间升序
* @return
*/
public static List<String> historicTaskInstanceClean(Collection<FlowElement> allElements,
List<HistoricTaskInstance> historicTaskInstanceList) {
// 会签节点收集
List<String> multiTask = new ArrayList<>();
allElements.forEach(flowElement -> {
if (flowElement instanceof UserTask) {
// 如果该节点的行为为会签行为,说明该节点为会签节点
if (((UserTask)flowElement).getBehavior() instanceof ParallelMultiInstanceBehavior
|| ((UserTask)flowElement).getBehavior() instanceof SequentialMultiInstanceBehavior) {
multiTask.add(flowElement.getId());
}
}
});
// 循环放入栈,栈 LIFO后进先出
Stack<HistoricTaskInstance> stack = new Stack<>();
historicTaskInstanceList.forEach(stack::push);
// 清洗后的历史任务实例
List<String> lastHistoricTaskInstanceList = new ArrayList<>();
// 网关存在可能只走了部分分支情况,且还存在跳转废弃数据以及其他分支数据的干扰,因此需要对历史节点数据进行清洗
// 临时用户任务 key
StringBuilder userTaskKey = null;
// 临时被删掉的任务 key存在并行情况
List<String> deleteKeyList = new ArrayList<>();
// 临时脏数据线路
List<Set<String>> dirtyDataLineList = new ArrayList<>();
// 由某个点跳到会签点,此时出现多个会签实例对应 1 个跳转情况,需要把这些连续脏数据都找到
// 会签特殊处理下标
int multiIndex = -1;
// 会签特殊处理 key
StringBuilder multiKey = null;
// 会签特殊处理操作标识
boolean multiOpera = false;
while (!stack.empty()) {
// 从这里开始 userTaskKey 都还是上个栈的 key
// 是否是脏数据线路上的点
final boolean[] isDirtyData = {false};
for (Set<String> oldDirtyDataLine : dirtyDataLineList) {
if (oldDirtyDataLine.contains(stack.peek().getTaskDefinitionKey())) {
isDirtyData[0] = true;
}
}
// 删除原因不为空,说明从这条数据开始回跳或者回退的
// MI_END会签完成后其他未签到节点的删除原因不在处理范围内
if (stack.peek().getDeleteReason() != null && !"MI_END".equals(stack.peek().getDeleteReason())) {
// 可以理解为脏线路起点
String dirtyPoint = "";
if (stack.peek().getDeleteReason().contains("Change activity to ")) {
dirtyPoint = stack.peek().getDeleteReason().replace("Change activity to ", "");
}
// 会签回退删除原因有点不同
if (stack.peek().getDeleteReason().contains("Change parent activity to ")) {
dirtyPoint = stack.peek().getDeleteReason().replace("Change parent activity to ", "");
}
FlowElement dirtyTask = null;
// 获取变更节点的对应的入口处连线
// 如果是网关并行回退情况,会变成两条脏数据路线,效果一样
for (FlowElement flowElement : allElements) {
if (flowElement.getId().equals(stack.peek().getTaskDefinitionKey())) {
dirtyTask = flowElement;
}
}
// 获取脏数据线路
Set<String> dirtyDataLine = FlowableUtils.iteratorFindDirtyRoads(dirtyTask, null, null,
Arrays.asList(dirtyPoint.split(",")), null);
// 自己本身也是脏线路上的点,加进去
dirtyDataLine.add(stack.peek().getTaskDefinitionKey());
log.info(stack.peek().getTaskDefinitionKey() + "点脏路线集合:" + dirtyDataLine);
// 是全新的需要添加的脏线路
boolean isNewDirtyData = true;
for (int i = 0; i < dirtyDataLineList.size(); i++) {
// 如果发现他的上个节点在脏线路内,说明这个点可能是并行的节点,或者连续驳回
// 这时,都以之前的脏线路节点为标准,只需合并脏线路即可,也就是路线补全
if (dirtyDataLineList.get(i).contains(userTaskKey.toString())) {
isNewDirtyData = false;
dirtyDataLineList.get(i).addAll(dirtyDataLine);
}
}
// 已确定时全新的脏线路
if (isNewDirtyData) {
// deleteKey 单一路线驳回到并行,这种同时生成多个新实例记录情况,这时 deleteKey 其实是由多个值组成
// 按照逻辑,回退后立刻生成的实例记录就是回退的记录
// 至于驳回所生成的 Key直接从删除原因中获取因为存在驳回到并行的情况
deleteKeyList.add(dirtyPoint + ",");
dirtyDataLineList.add(dirtyDataLine);
}
// 添加后,现在这个点变成脏线路上的点了
isDirtyData[0] = true;
}
// 如果不是脏线路上的点,说明是有效数据,添加历史实例 Key
if (!isDirtyData[0]) {
lastHistoricTaskInstanceList.add(stack.peek().getTaskDefinitionKey());
}
// 校验脏线路是否结束
for (int i = 0; i < deleteKeyList.size(); i++) {
// 如果发现脏数据属于会签,记录下下标与对应 Key以备后续比对会签脏数据范畴开始
if (multiKey == null && multiTask.contains(stack.peek().getTaskDefinitionKey())
&& deleteKeyList.get(i).contains(stack.peek().getTaskDefinitionKey())) {
multiIndex = i;
multiKey = new StringBuilder(stack.peek().getTaskDefinitionKey());
}
// 会签脏数据处理,节点退回会签清空
// 如果在会签脏数据范畴中发现 Key改变说明会签脏数据在上个节点就结束了可以把会签脏数据删掉
if (multiKey != null && !multiKey.toString().equals(stack.peek().getTaskDefinitionKey())) {
deleteKeyList.set(multiIndex,
deleteKeyList.get(multiIndex).replace(stack.peek().getTaskDefinitionKey() + ",", ""));
multiKey = null;
// 结束进行下校验删除
multiOpera = true;
}
// 其他脏数据处理
// 发现该路线最后一条脏数据,说明这条脏数据线路处理完了,删除脏数据信息
// 脏数据产生的新实例中是否包含这条数据
if (multiKey == null && deleteKeyList.get(i).contains(stack.peek().getTaskDefinitionKey())) {
// 删除匹配到的部分
deleteKeyList.set(i, deleteKeyList.get(i).replace(stack.peek().getTaskDefinitionKey() + ",", ""));
}
// 如果每组中的元素都以匹配过,说明脏数据结束
if ("".equals(deleteKeyList.get(i))) {
// 同时删除脏数据
deleteKeyList.remove(i);
dirtyDataLineList.remove(i);
break;
}
}
// 会签数据处理需要在循环外处理,否则可能导致溢出
// 会签的数据肯定是之前放进去的所以理论上不会溢出,但还是校验下
if (multiOpera && deleteKeyList.size() > multiIndex && "".equals(deleteKeyList.get(multiIndex))) {
// 同时删除脏数据
deleteKeyList.remove(multiIndex);
dirtyDataLineList.remove(multiIndex);
multiIndex = -1;
multiOpera = false;
}
// pop() 方法与 peek() 方法不同,在返回值的同时,会把值从栈中移除
// 保存新的 userTaskKey 在下个循环中使用
userTaskKey = new StringBuilder(stack.pop().getTaskDefinitionKey());
}
log.info("清洗后的历史节点数据:" + lastHistoricTaskInstanceList);
return lastHistoricTaskInstanceList;
}
/**
* 从 flowElement 获取 指定名称的 拓展元素
*
* @param flowElement 元素
* @param extensionElementName 拓展元素名称
*/
public static ExtensionElement getExtensionElementFromFlowElementByName(FlowElement flowElement,
String extensionElementName) {
if (flowElement == null) {
return null;
}
Map<String, List<ExtensionElement>> extensionElements = flowElement.getExtensionElements();
for (Map.Entry<String, List<ExtensionElement>> stringEntry : extensionElements.entrySet()) {
if (stringEntry.getKey().equals(extensionElementName)) {
for (ExtensionElement extensionElement : stringEntry.getValue()) {
if (extensionElement.getName().equals(extensionElementName)) {
return extensionElement;
}
}
}
}
return null;
}
/**
* 获取当前任务节点扩展属性信息
*
* @param repositoryService
* @param task 当前任务
* @return 自定义属性列表
*/
public static List<Object> getPropertyElement(RepositoryService repositoryService,
org.flowable.task.api.Task task) {
FlowElement flowElement = getCurrentElement(repositoryService, task);
ExtensionElement extensionElement =
FlowableUtils.getExtensionElementFromFlowElementByName(flowElement, "properties");
if (extensionElement == null) {
return Collections.emptyList();
}
return getPropertyExtensionElementByName(extensionElement, "property");
}
/**
* 获取当前任务节点
*
* @param repositoryService
* @param task
* @return
*/
public static FlowElement getCurrentElement(RepositoryService repositoryService, org.flowable.task.api.Task task) {
ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()
.processDefinitionId(task.getProcessDefinitionId()).singleResult();
BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinition.getId());
return bpmnModel.getFlowElement(task.getTaskDefinitionKey());
}
/**
* 根据属性名获取扩展元素中的扩展属性列表
*
* @param extensionElement 扩展元素
* @param attributesName 属性名
* @return 扩展属性列表
*/
public static List<Object> getPropertyExtensionElementByName(ExtensionElement extensionElement,
String attributesName) {
try {
// 获取名称为attributesName的子元素
return Optional.ofNullable(extensionElement.getChildElements().get(attributesName))
.orElse(Collections.emptyList()) // 如果子元素不存在则返回空集合避免null引用
.stream().map(element -> {
// 获取子元素的属性
Map<String, List<ExtensionAttribute>> attributes = element.getAttributes();
Object propertyDto = new Object();
// 获取FlowPropertyDto的所有属性
Arrays.stream(propertyDto.getClass().getDeclaredFields()).forEach(field -> {
field.setAccessible(true);
// 获取属性名称和值
attributes.getOrDefault(field.getName(), Collections.emptyList()).stream().findFirst()
.ifPresent(attribute -> {
try {
// 反射设置属性值
field.set(propertyDto, attribute.getValue());
} catch (IllegalAccessException e) {
e.printStackTrace();
// 如果反射设置失败则忽略该属性
}
});
});
return propertyDto;
}).collect(Collectors.toList());
} catch (Exception e) {
e.printStackTrace();
return Collections.emptyList(); // 如果发生异常则返回空列表
}
}
}

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package com.core.flowable.listener;
import org.flowable.common.engine.api.delegate.Expression;
import org.flowable.engine.delegate.DelegateExecution;
import org.flowable.engine.delegate.ExecutionListener;
import org.springframework.stereotype.Component;
import lombok.extern.slf4j.Slf4j;
/**
* 执行监听器
*
* 执行监听器允许在执行过程中执行Java代码。 执行监听器可以捕获事件的类型: 流程实例启动,结束 输出流捕获 获取启动,结束 路由开始,结束 中间事件开始,结束 触发开始事件,触发结束事件
*
* @author system
* @date 2022/12/16
*/
@Slf4j
@Component
public class FlowExecutionListener implements ExecutionListener {
/**
* 流程设计器添加的参数
*/
private Expression param;
@Override
public void notify(DelegateExecution execution) {
log.info("执行监听器:{}", execution);
}
}

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package com.core.flowable.listener;
import org.flowable.engine.delegate.TaskListener;
import org.flowable.task.service.delegate.DelegateTask;
import org.springframework.stereotype.Component;
import lombok.extern.slf4j.Slf4j;
/**
* 任务监听器
*
* create创建:在任务被创建且所有的任务属性设置完成后才触发 assignment指派在任务被分配给某个办理人之后触发 complete完成在配置了监听器的上一个任务完成时触发
* delete删除在任务即将被删除前触发。请注意任务由completeTask正常完成时也会触发
*
* @author system
* @date 2021/4/20
*/
@Slf4j
@Component
public class FlowTaskListener implements TaskListener {
@Override
public void notify(DelegateTask delegateTask) {
log.info("任务监听器:{}", delegateTask);
// TODO 获取事件类型 delegateTask.getEventName(),可以通过监听器给任务执行人发送相应的通知消息
}
}

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package com.core.flowable.service;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.core.common.core.domain.AjaxResult;
import com.core.system.domain.FlowProcDefDto;
/**
* @author system
* @date 2021-04-03 14:41
*/
public interface IFlowDefinitionService {
boolean exist(String processDefinitionKey);
/**
* 流程定义列表
*
* @param pageNum 当前页码
* @param pageSize 每页条数
* @return 流程定义分页列表数据
*/
Page<FlowProcDefDto> list(String name, Integer pageNum, Integer pageSize);
/**
* 导入流程文件 当每个key的流程第一次部署时指定版本为1。对其后所有使用相同key的流程定义 部署时版本会在该key当前已部署的最高版本号基础上加1。key参数用于区分流程定义
*
* @param name
* @param category
* @param in
*/
void importFile(String name, String category, InputStream in);
/**
* 读取xml
*
* @param deployId
* @return
*/
AjaxResult readXml(String deployId) throws IOException;
/**
* 根据流程定义ID启动流程实例
*
* @param procDefId
* @param variables
* @return
*/
AjaxResult startProcessInstanceById(String procDefId, Map<String, Object> variables);
/**
* 激活或挂起流程定义
*
* @param state 状态
* @param deployId 流程部署ID
*/
void updateState(Integer state, String deployId);
/**
* 删除流程定义
*
* @param deployId 流程部署ID act_ge_bytearray 表中 deployment_id值
*/
void delete(String deployId);
/**
* 读取图片文件
*
* @param deployId
* @return
*/
InputStream readImage(String deployId);
}

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package com.core.flowable.service;
import java.util.Map;
import org.flowable.engine.history.HistoricProcessInstance;
import com.core.common.core.domain.AjaxResult;
import com.core.flowable.domain.vo.FlowTaskVo;
/**
* @author system
* @date 2021-04-03 14:40
*/
public interface IFlowInstanceService {
/**
* 结束流程实例
*
* @param vo
*/
void stopProcessInstance(FlowTaskVo vo);
/**
* 激活或挂起流程实例
*
* @param state 状态
* @param instanceId 流程实例ID
*/
void updateState(Integer state, String instanceId);
/**
* 删除流程实例ID
*
* @param instanceId 流程实例ID
* @param deleteReason 删除原因
*/
void delete(String instanceId, String deleteReason);
/**
* 根据实例ID查询历史实例数据
*
* @param processInstanceId
* @return
*/
HistoricProcessInstance getHistoricProcessInstanceById(String processInstanceId);
/**
* 根据流程定义ID启动流程实例
*
* @param procDefId 流程定义Id
* @param variables 流程变量
* @return
*/
AjaxResult startProcessInstanceById(String procDefId, Map<String, Object> variables);
}

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package com.core.flowable.service;
import java.io.InputStream;
import com.core.common.core.domain.AjaxResult;
import com.core.flowable.domain.vo.FlowQueryVo;
import com.core.flowable.domain.vo.FlowTaskVo;
/**
* @author system
* @date 2021-04-03 14:42
*/
public interface IFlowTaskService {
/**
* 审批任务
*
* @param task 请求实体参数
*/
AjaxResult complete(FlowTaskVo task);
/**
* 驳回任务
*
* @param flowTaskVo
*/
void taskReject(FlowTaskVo flowTaskVo);
/**
* 退回任务
*
* @param flowTaskVo 请求实体参数
*/
void taskReturn(FlowTaskVo flowTaskVo);
/**
* 获取所有可回退的节点
*
* @param flowTaskVo
* @return
*/
AjaxResult findReturnTaskList(FlowTaskVo flowTaskVo);
/**
* 删除任务
*
* @param flowTaskVo 请求实体参数
*/
void deleteTask(FlowTaskVo flowTaskVo);
/**
* 认领/签收任务
*
* @param flowTaskVo 请求实体参数
*/
void claim(FlowTaskVo flowTaskVo);
/**
* 取消认领/签收任务
*
* @param flowTaskVo 请求实体参数
*/
void unClaim(FlowTaskVo flowTaskVo);
/**
* 委派任务
*
* @param flowTaskVo 请求实体参数
*/
void delegateTask(FlowTaskVo flowTaskVo);
/**
* 任务归还
*
* @param flowTaskVo 请求实体参数
*/
void resolveTask(FlowTaskVo flowTaskVo);
/**
* 转办任务
*
* @param flowTaskVo 请求实体参数
*/
void assignTask(FlowTaskVo flowTaskVo);
/**
* 多实例加签
*
* @param flowTaskVo
*/
void addMultiInstanceExecution(FlowTaskVo flowTaskVo);
/**
* 多实例减签
*
* @param flowTaskVo
*/
void deleteMultiInstanceExecution(FlowTaskVo flowTaskVo);
/**
* 我发起的流程
*
* @param queryVo 请求参数
* @return
*/
AjaxResult myProcess(FlowQueryVo queryVo);
/**
* 取消申请 目前实现方式: 直接将当前流程变更为已完成
*
* @param flowTaskVo
* @return
*/
AjaxResult stopProcess(FlowTaskVo flowTaskVo);
/**
* 撤回流程
*
* @param flowTaskVo
* @return
*/
AjaxResult revokeProcess(FlowTaskVo flowTaskVo);
/**
* 代办任务列表
*
* @param queryVo 请求参数
* @return
*/
AjaxResult todoList(FlowQueryVo queryVo);
/**
* 已办任务列表
*
* @param queryVo 请求参数
* @return
*/
AjaxResult finishedList(FlowQueryVo queryVo);
/**
* 流程历史流转记录
*
* @param procInsId 流程实例Id
* @return
*/
AjaxResult flowRecord(String procInsId, String deployId);
/**
* 根据任务ID查询挂载的表单信息
*
* @param taskId 任务Id
* @return
*/
AjaxResult getTaskForm(String taskId);
/**
* 获取流程过程图
*
* @param processId
* @return
*/
InputStream diagram(String processId);
/**
* 获取流程执行节点
*
* @param procInsId
* @return
*/
AjaxResult getFlowViewer(String procInsId, String executionId);
/**
* 获取流程变量
*
* @param taskId
* @return
*/
AjaxResult processVariables(String taskId);
/**
* 获取下一节点
*
* @param flowTaskVo 任务
* @return
*/
AjaxResult getNextFlowNode(FlowTaskVo flowTaskVo);
AjaxResult getNextFlowNodeByStart(FlowTaskVo flowTaskVo);
/**
* 流程初始化表单
*
* @param deployId
* @return
*/
AjaxResult flowFormData(String deployId);
/**
* 流程节点信息
*
* @param procInsId
* @return
*/
AjaxResult flowXmlAndNode(String procInsId, String deployId);
/**
* 流程节点表单
*
* @param taskId 流程任务编号
* @return
*/
AjaxResult flowTaskForm(String taskId) throws Exception;
/**
* 流程节点信息
*
* @param procInsId
* @param elementId
* @return
*/
AjaxResult flowTaskInfo(String procInsId, String elementId);
}

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package com.core.flowable.service;
import java.util.List;
import com.core.system.domain.SysDeployForm;
import com.core.system.domain.SysForm;
/**
* 流程实例关联表单Service接口
*
* @author system
* @date 2021-04-03
*/
public interface ISysDeployFormService {
/**
* 查询流程实例关联表单
*
* @param id 流程实例关联表单ID
* @return 流程实例关联表单
*/
public SysDeployForm selectSysDeployFormById(Long id);
/**
* 查询流程实例关联表单列表
*
* @param sysDeployForm 流程实例关联表单
* @return 流程实例关联表单集合
*/
public List<SysDeployForm> selectSysDeployFormList(SysDeployForm sysDeployForm);
/**
* 新增流程实例关联表单
*
* @param sysDeployForm 流程实例关联表单
* @return 结果
*/
public int insertSysDeployForm(SysDeployForm sysDeployForm);
/**
* 修改流程实例关联表单
*
* @param sysDeployForm 流程实例关联表单
* @return 结果
*/
public int updateSysDeployForm(SysDeployForm sysDeployForm);
/**
* 批量删除流程实例关联表单
*
* @param ids 需要删除的流程实例关联表单ID
* @return 结果
*/
public int deleteSysDeployFormByIds(Long[] ids);
/**
* 删除流程实例关联表单信息
*
* @param id 流程实例关联表单ID
* @return 结果
*/
public int deleteSysDeployFormById(Long id);
/**
* 查询流程挂着的表单
*
* @param deployId
* @return
*/
SysForm selectSysDeployFormByDeployId(String deployId);
}

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package com.core.flowable.service;
import java.util.List;
import com.core.system.domain.SysForm;
/**
* 表单
*
* @author system
* @date 2021-04-03
*/
public interface ISysFormService {
/**
* 查询流程表单
*
* @param formId 流程表单ID
* @return 流程表单
*/
public SysForm selectSysFormById(Long formId);
/**
* 查询流程表单列表
*
* @param sysForm 流程表单
* @return 流程表单集合
*/
public List<SysForm> selectSysFormList(SysForm sysForm);
/**
* 新增流程表单
*
* @param sysForm 流程表单
* @return 结果
*/
public int insertSysForm(SysForm sysForm);
/**
* 修改流程表单
*
* @param sysForm 流程表单
* @return 结果
*/
public int updateSysForm(SysForm sysForm);
/**
* 批量删除流程表单
*
* @param formIds 需要删除的流程表单ID
* @return 结果
*/
public int deleteSysFormByIds(Long[] formIds);
/**
* 删除流程表单信息
*
* @param formId 流程表单ID
* @return 结果
*/
public int deleteSysFormById(Long formId);
}

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package com.core.flowable.service.impl;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import javax.annotation.Resource;
import org.apache.commons.io.IOUtils;
import org.flowable.bpmn.model.BpmnModel;
import org.flowable.engine.repository.Deployment;
import org.flowable.engine.repository.ProcessDefinition;
import org.flowable.engine.repository.ProcessDefinitionQuery;
import org.flowable.engine.runtime.ProcessInstance;
import org.flowable.image.impl.DefaultProcessDiagramGenerator;
import org.flowable.task.api.Task;
import org.springframework.stereotype.Service;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.core.common.core.domain.AjaxResult;
import com.core.common.core.domain.entity.SysUser;
import com.core.common.utils.SecurityUtils;
import com.core.flowable.common.constant.ProcessConstants;
import com.core.flowable.common.enums.FlowComment;
import com.core.flowable.factory.FlowServiceFactory;
import com.core.flowable.service.IFlowDefinitionService;
import com.core.flowable.service.ISysDeployFormService;
import com.core.system.domain.FlowProcDefDto;
import com.core.system.domain.SysForm;
import com.core.system.mapper.FlowDeployMapper;
import com.core.system.mapper.SysUserMapper;
import com.core.system.service.ISysDeptService;
import com.core.system.service.ISysUserService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import lombok.extern.slf4j.Slf4j;
/**
* 流程定义
*
* @author system
* @date 2021-04-03
*/
@Service
@Slf4j
public class FlowDefinitionServiceImpl extends FlowServiceFactory implements IFlowDefinitionService {
private static final String BPMN_FILE_SUFFIX = ".bpmn";
@Resource
private ISysDeployFormService sysDeployFormService;
@Resource
private ISysUserService sysUserService;
@Resource
private ISysDeptService sysDeptService;
@Resource
private FlowDeployMapper flowDeployMapper;
@Resource
private SysUserMapper sysUserMapper;
@Override
public boolean exist(String processDefinitionKey) {
ProcessDefinitionQuery processDefinitionQuery =
repositoryService.createProcessDefinitionQuery().processDefinitionKey(processDefinitionKey);
long count = processDefinitionQuery.count();
return count > 0 ? true : false;
}
/**
* 流程定义列表
*
* @param pageNum 当前页码
* @param pageSize 每页条数
* @return 流程定义分页列表数据
*/
@Override
public Page<FlowProcDefDto> list(String name, Integer pageNum, Integer pageSize) {
Page<FlowProcDefDto> page = new Page<>();
// // 流程定义列表数据查询
// final ProcessDefinitionQuery processDefinitionQuery = repositoryService.createProcessDefinitionQuery();
// if (StringUtils.isNotEmpty(name)) {
// processDefinitionQuery.processDefinitionNameLike(name);
// }
//// processDefinitionQuery.orderByProcessDefinitionKey().asc();
// page.setTotal(processDefinitionQuery.count());
// List<ProcessDefinition> processDefinitionList = processDefinitionQuery.listPage(pageSize * (pageNum - 1),
// pageSize);
//
// List<FlowProcDefDto> dataList = new ArrayList<>();
// for (ProcessDefinition processDefinition : processDefinitionList) {
// String deploymentId = processDefinition.getDeploymentId();
// Deployment deployment = repositoryService.createDeploymentQuery().deploymentId(deploymentId).singleResult();
// FlowProcDefDto reProcDef = new FlowProcDefDto();
// BeanUtils.copyProperties(processDefinition, reProcDef);
// SysForm sysForm = sysDeployFormService.selectSysDeployFormByDeployId(deploymentId);
// if (Objects.nonNull(sysForm)) {
// reProcDef.setFormName(sysForm.getFormName());
// reProcDef.setFormId(sysForm.getFormId());
// }
// // 流程定义时间
// reProcDef.setDeploymentTime(deployment.getDeploymentTime());
// dataList.add(reProcDef);
// }
PageHelper.startPage(pageNum, pageSize);
final List<FlowProcDefDto> dataList = flowDeployMapper.selectDeployList(name);
// 加载挂表单
for (FlowProcDefDto procDef : dataList) {
SysForm sysForm = sysDeployFormService.selectSysDeployFormByDeployId(procDef.getDeploymentId());
if (Objects.nonNull(sysForm)) {
procDef.setFormName(sysForm.getFormName());
procDef.setFormId(sysForm.getFormId());
}
}
page.setTotal(new PageInfo(dataList).getTotal());
page.setRecords(dataList);
return page;
}
/**
* 导入流程文件
*
* 当每个key的流程第一次部署时指定版本为1。对其后所有使用相同key的流程定义 部署时版本会在该key当前已部署的最高版本号基础上加1。key参数用于区分流程定义
*
* @param name
* @param category
* @param in
*/
@Override
public void importFile(String name, String category, InputStream in) {
Deployment deploy = repositoryService.createDeployment().addInputStream(name + BPMN_FILE_SUFFIX, in).name(name)
.category(category).deploy();
ProcessDefinition definition =
repositoryService.createProcessDefinitionQuery().deploymentId(deploy.getId()).singleResult();
repositoryService.setProcessDefinitionCategory(definition.getId(), category);
}
/**
* 读取xml
*
* @param deployId
* @return
*/
@Override
public AjaxResult readXml(String deployId) throws IOException {
ProcessDefinition definition =
repositoryService.createProcessDefinitionQuery().deploymentId(deployId).singleResult();
InputStream inputStream =
repositoryService.getResourceAsStream(definition.getDeploymentId(), definition.getResourceName());
String result = IOUtils.toString(inputStream, StandardCharsets.UTF_8.name());
return AjaxResult.success("", result);
}
/**
* 读取xml
*
* @param deployId
* @return
*/
@Override
public InputStream readImage(String deployId) {
ProcessDefinition processDefinition =
repositoryService.createProcessDefinitionQuery().deploymentId(deployId).singleResult();
// 获得图片流
DefaultProcessDiagramGenerator diagramGenerator = new DefaultProcessDiagramGenerator();
BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinition.getId());
// 输出为图片
return diagramGenerator.generateDiagram(bpmnModel, "png", Collections.emptyList(), Collections.emptyList(),
"宋体", "宋体", "宋体", null, 1.0, false);
}
/**
* 根据流程定义ID启动流程实例
*
* @param procDefId 流程模板ID
* @param variables 流程变量
* @return
*/
@Override
public AjaxResult startProcessInstanceById(String procDefId, Map<String, Object> variables) {
try {
ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()
.processDefinitionId(procDefId).latestVersion().singleResult();
if (Objects.nonNull(processDefinition) && processDefinition.isSuspended()) {
return AjaxResult.error("流程已被挂起,请先激活流程");
}
// 设置流程发起人Id到流程中
SysUser sysUser;
try {
sysUser = SecurityUtils.getLoginUser().getUser();
} catch (Exception e) {
// 非登录状态默认为超级管理员
sysUser = sysUserMapper.selectUserById(1L);
}
identityService.setAuthenticatedUserId(sysUser.getUserId().toString());
variables.put(ProcessConstants.PROCESS_INITIATOR, sysUser.getUserId());
// 流程发起时 跳过发起人节点
ProcessInstance processInstance = runtimeService.startProcessInstanceById(procDefId, variables);
// 给第一步申请人节点设置任务执行人和意见
Task task =
taskService.createTaskQuery().processInstanceId(processInstance.getProcessInstanceId()).singleResult();
if (Objects.nonNull(task)) {
taskService.addComment(task.getId(), processInstance.getProcessInstanceId(),
FlowComment.NORMAL.getType(), sysUser.getNickName() + "发起流程申请");
taskService.complete(task.getId(), variables);
}
return AjaxResult.success("流程启动成功");
} catch (Exception e) {
e.printStackTrace();
return AjaxResult.error("流程启动错误");
}
}
/**
* 激活或挂起流程定义
*
* @param state 状态
* @param deployId 流程部署ID
*/
@Override
public void updateState(Integer state, String deployId) {
ProcessDefinition procDef =
repositoryService.createProcessDefinitionQuery().deploymentId(deployId).singleResult();
// 激活
if (state == 1) {
repositoryService.activateProcessDefinitionById(procDef.getId(), true, null);
}
// 挂起
if (state == 2) {
repositoryService.suspendProcessDefinitionById(procDef.getId(), true, null);
}
}
/**
* 删除流程定义
*
* @param deployId 流程部署ID act_ge_bytearray 表中 deployment_id值
*/
@Override
public void delete(String deployId) {
// true 允许级联删除 ,不设置会导致数据库外键关联异常
repositoryService.deleteDeployment(deployId, true);
}
}

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package com.core.flowable.service.impl;
import java.util.Map;
import java.util.Objects;
import org.flowable.common.engine.api.FlowableObjectNotFoundException;
import org.flowable.engine.history.HistoricProcessInstance;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.core.common.core.domain.AjaxResult;
import com.core.common.utils.SecurityUtils;
import com.core.flowable.domain.vo.FlowTaskVo;
import com.core.flowable.factory.FlowServiceFactory;
import com.core.flowable.service.IFlowInstanceService;
import lombok.extern.slf4j.Slf4j;
/**
* <p>
* 工作流流程实例管理
* <p>
*
* @author system
* @date 2021-04-03
*/
@Service
@Slf4j
public class FlowInstanceServiceImpl extends FlowServiceFactory implements IFlowInstanceService {
/**
* 结束流程实例
*
* @param vo
*/
@Override
public void stopProcessInstance(FlowTaskVo vo) {
String taskId = vo.getTaskId();
}
/**
* 激活或挂起流程实例
*
* @param state 状态
* @param instanceId 流程实例ID
*/
@Override
public void updateState(Integer state, String instanceId) {
// 激活
if (state == 1) {
runtimeService.activateProcessInstanceById(instanceId);
}
// 挂起
if (state == 2) {
runtimeService.suspendProcessInstanceById(instanceId);
}
}
/**
* 删除流程实例ID
*
* @param instanceId 流程实例ID
* @param deleteReason 删除原因
*/
@Override
@Transactional(rollbackFor = Exception.class)
public void delete(String instanceId, String deleteReason) {
// 查询历史数据
HistoricProcessInstance historicProcessInstance = getHistoricProcessInstanceById(instanceId);
if (historicProcessInstance.getEndTime() != null) {
historyService.deleteHistoricProcessInstance(historicProcessInstance.getId());
return;
}
// 删除流程实例
runtimeService.deleteProcessInstance(instanceId, deleteReason);
// 删除历史流程实例
historyService.deleteHistoricProcessInstance(instanceId);
}
/**
* 根据实例ID查询历史实例数据
*
* @param processInstanceId
* @return
*/
@Override
public HistoricProcessInstance getHistoricProcessInstanceById(String processInstanceId) {
HistoricProcessInstance historicProcessInstance =
historyService.createHistoricProcessInstanceQuery().processInstanceId(processInstanceId).singleResult();
if (Objects.isNull(historicProcessInstance)) {
throw new FlowableObjectNotFoundException("流程实例不存在: " + processInstanceId);
}
return historicProcessInstance;
}
/**
* 根据流程定义ID启动流程实例
*
* @param procDefId 流程定义Id
* @param variables 流程变量
* @return
*/
@Override
public AjaxResult startProcessInstanceById(String procDefId, Map<String, Object> variables) {
try {
// 设置流程发起人Id到流程中
Long userId = SecurityUtils.getLoginUser().getUser().getUserId();
// identityService.setAuthenticatedUserId(userId.toString());
variables.put("initiator", userId);
variables.put("_FLOWABLE_SKIP_EXPRESSION_ENABLED", true);
runtimeService.startProcessInstanceById(procDefId, variables);
return AjaxResult.success("流程启动成功");
} catch (Exception e) {
e.printStackTrace();
return AjaxResult.error("流程启动错误");
}
}
}

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package com.core.flowable.service.impl;
import java.util.List;
import java.util.Objects;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.core.flowable.service.ISysDeployFormService;
import com.core.system.domain.SysDeployForm;
import com.core.system.domain.SysForm;
import com.core.system.mapper.SysDeployFormMapper;
/**
* 流程实例关联表单Service业务层处理
*
* @author system
* @date 2021-04-03
*/
@Service
public class SysDeployFormServiceImpl implements ISysDeployFormService {
@Autowired
private SysDeployFormMapper sysDeployFormMapper;
/**
* 查询流程实例关联表单
*
* @param id 流程实例关联表单ID
* @return 流程实例关联表单
*/
@Override
public SysDeployForm selectSysDeployFormById(Long id) {
return sysDeployFormMapper.selectSysDeployFormById(id);
}
/**
* 查询流程实例关联表单列表
*
* @param sysDeployForm 流程实例关联表单
* @return 流程实例关联表单
*/
@Override
public List<SysDeployForm> selectSysDeployFormList(SysDeployForm sysDeployForm) {
return sysDeployFormMapper.selectSysDeployFormList(sysDeployForm);
}
/**
* 新增流程实例关联表单
*
* @param sysDeployForm 流程实例关联表单
* @return 结果
*/
@Override
public int insertSysDeployForm(SysDeployForm sysDeployForm) {
SysForm sysForm = sysDeployFormMapper.selectSysDeployFormByDeployId(sysDeployForm.getDeployId());
if (Objects.isNull(sysForm)) {
return sysDeployFormMapper.insertSysDeployForm(sysDeployForm);
} else {
return 1;
}
}
/**
* 修改流程实例关联表单
*
* @param sysDeployForm 流程实例关联表单
* @return 结果
*/
@Override
public int updateSysDeployForm(SysDeployForm sysDeployForm) {
return sysDeployFormMapper.updateSysDeployForm(sysDeployForm);
}
/**
* 批量删除流程实例关联表单
*
* @param ids 需要删除的流程实例关联表单ID
* @return 结果
*/
@Override
public int deleteSysDeployFormByIds(Long[] ids) {
return sysDeployFormMapper.deleteSysDeployFormByIds(ids);
}
/**
* 删除流程实例关联表单信息
*
* @param id 流程实例关联表单ID
* @return 结果
*/
@Override
public int deleteSysDeployFormById(Long id) {
return sysDeployFormMapper.deleteSysDeployFormById(id);
}
/**
* 查询流程挂着的表单
*
* @param deployId
* @return
*/
@Override
public SysForm selectSysDeployFormByDeployId(String deployId) {
return sysDeployFormMapper.selectSysDeployFormByDeployId(deployId);
}
}

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package com.core.flowable.service.impl;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.core.common.utils.DateUtils;
import com.core.flowable.service.ISysFormService;
import com.core.system.domain.SysForm;
import com.core.system.mapper.SysFormMapper;
/**
* 流程表单Service业务层处理
*
* @author system
* @date 2021-04-03
*/
@Service
public class SysFormServiceImpl implements ISysFormService {
@Autowired
private SysFormMapper sysFormMapper;
/**
* 查询流程表单
*
* @param formId 流程表单ID
* @return 流程表单
*/
@Override
public SysForm selectSysFormById(Long formId) {
return sysFormMapper.selectSysFormById(formId);
}
/**
* 查询流程表单列表
*
* @param sysForm 流程表单
* @return 流程表单
*/
@Override
public List<SysForm> selectSysFormList(SysForm sysForm) {
return sysFormMapper.selectSysFormList(sysForm);
}
/**
* 新增流程表单
*
* @param sysForm 流程表单
* @return 结果
*/
@Override
public int insertSysForm(SysForm sysForm) {
sysForm.setCreateTime(DateUtils.getNowDate());
return sysFormMapper.insertSysForm(sysForm);
}
/**
* 修改流程表单
*
* @param sysForm 流程表单
* @return 结果
*/
@Override
public int updateSysForm(SysForm sysForm) {
sysForm.setUpdateTime(DateUtils.getNowDate());
return sysFormMapper.updateSysForm(sysForm);
}
/**
* 批量删除流程表单
*
* @param formIds 需要删除的流程表单ID
* @return 结果
*/
@Override
public int deleteSysFormByIds(Long[] formIds) {
return sysFormMapper.deleteSysFormByIds(formIds);
}
/**
* 删除流程表单信息
*
* @param formId 流程表单ID
* @return 结果
*/
@Override
public int deleteSysFormById(Long formId) {
return sysFormMapper.deleteSysFormById(formId);
}
}