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