| 提交 | 用户 | 时间 | ||
| e7c126 | 1 | package com.iailab.module.bpm.framework.flowable.core.candidate.strategy; |
| H | 2 | |
| 3 | import cn.hutool.core.collection.CollUtil; | |
| 4 | import cn.hutool.core.lang.Assert; | |
| 5 | import com.iailab.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateStrategy; | |
| 6 | import com.iailab.module.bpm.framework.flowable.core.enums.BpmTaskCandidateStrategyEnum; | |
| 7 | import com.iailab.module.bpm.framework.flowable.core.util.BpmnModelUtils; | |
| 8 | import com.iailab.module.bpm.framework.flowable.core.util.FlowableUtils; | |
| 9 | import com.iailab.module.bpm.service.task.BpmProcessInstanceService; | |
| 10 | import org.flowable.bpmn.model.BpmnModel; | |
| 11 | import org.flowable.bpmn.model.UserTask; | |
| 12 | import org.flowable.engine.delegate.DelegateExecution; | |
| 13 | import org.flowable.engine.runtime.ProcessInstance; | |
| 14 | import org.springframework.context.annotation.Lazy; | |
| 15 | import org.springframework.stereotype.Component; | |
| 16 | ||
| 17 | import javax.annotation.Resource; | |
| 18 | import java.util.*; | |
| 19 | ||
| 20 | /** | |
| 21 | * 发起人自选 {@link BpmTaskCandidateUserStrategy} 实现类 | |
| 22 | * | |
| 23 | * @author iailab | |
| 24 | */ | |
| 25 | @Component | |
| 26 | public class BpmTaskCandidateStartUserSelectStrategy implements BpmTaskCandidateStrategy { | |
| 27 | ||
| 28 | @Resource | |
| 29 | @Lazy // 延迟加载，避免循环依赖 | |
| 30 | private BpmProcessInstanceService processInstanceService; | |
| 31 | ||
| 32 | @Override | |
| 33 | public BpmTaskCandidateStrategyEnum getStrategy() { | |
| 34 | return BpmTaskCandidateStrategyEnum.START_USER_SELECT; | |
| 35 | } | |
| 36 | ||
| 37 | @Override | |
| 38 | public void validateParam(String param) {} | |
| 39 | ||
| 40 | @Override | |
| 41 | public Set<Long> calculateUsers(DelegateExecution execution, String param) { | |
| 42 | ProcessInstance processInstance = processInstanceService.getProcessInstance(execution.getProcessInstanceId()); | |
| 43 | Assert.notNull(processInstance, "流程实例({})不能为空", execution.getProcessInstanceId()); | |
| 44 | Map<String, List<Long>> startUserSelectAssignees = FlowableUtils.getStartUserSelectAssignees(processInstance); | |
| 45 | Assert.notNull(startUserSelectAssignees, "流程实例({}) 的发起人自选审批人不能为空", | |
| 46 | execution.getProcessInstanceId()); | |
| 47 | // 获得审批人 | |
| 48 | List<Long> assignees = startUserSelectAssignees.get(execution.getCurrentActivityId()); | |
| 49 | return new LinkedHashSet<>(assignees); | |
| 50 | } | |
| 51 | ||
| 52 | @Override | |
| 53 | public boolean isParamRequired() { | |
| 54 | return false; | |
| 55 | } | |
| 56 | ||
| 57 | /** | |
| 58 | * 获得发起人自选审批人的 UserTask 列表 | |
| 59 | * | |
| 60 | * @param bpmnModel BPMN 模型 | |
| 61 | * @return UserTask 列表 | |
| 62 | */ | |
| 63 | public static List<UserTask> getStartUserSelectUserTaskList(BpmnModel bpmnModel) { | |
| 64 | if (bpmnModel == null) { | |
| 65 | return null; | |
| 66 | } | |
| 67 | List<UserTask> userTaskList = BpmnModelUtils.getBpmnModelElements(bpmnModel, UserTask.class); | |
| 68 | if (CollUtil.isEmpty(userTaskList)) { | |
| 69 | return null; | |
| 70 | } | |
| 71 | userTaskList.removeIf(userTask -> !Objects.equals(BpmnModelUtils.parseCandidateStrategy(userTask), | |
| 72 | BpmTaskCandidateStrategyEnum.START_USER_SELECT.getStrategy())); | |
| 73 | return userTaskList; | |
| 74 | } | |
| 75 | ||
| 76 | } | |
