Activiti：历史任务管理

查询指定用户的已处理任务

    @Autowired
    HistoryService historyService;

    /**
     * 查询当前用户的已处理任务
     */
    @Test
    public void findCompleteTask() {
        //办理人（当前用户）
        String assignee = "wj1";
        List<HistoricTaskInstance> taskList = historyService.createHistoricTaskInstanceQuery()
                .taskAssignee(assignee) // 办理人
                .orderByTaskCreateTime().desc()
                .finished() // 任务已办理
                .list();
        for (HistoricTaskInstance task : taskList) {
            System.out.print("任务ID：" + task.getId());
            System.out.print("，任务名称：" + task.getName());
            System.out.print("，任务的开始时间：" + task.getStartTime());
            System.out.print("，任务的结束时间：" + task.getEndTime());
            System.out.print("，任务的办理人：" + task.getAssignee());
            System.out.print("，流程实例ID：" + task.getProcessInstanceId());
            System.out.print("，流程定义ID：" + task.getProcessDefinitionId());
            System.out.println("，业务唯一标识：" + task.getBusinessKey());
        }
    }

查询流程实例办理历史信息

    /**
     * 查询流程实例办理历史信息
     */
    @Test
    public void historyInfo() {
        // 获取历史节点查询对象 ACT_HI_ACTINST 表
        HistoricActivityInstanceQuery query =
                historyService.createHistoricActivityInstanceQuery();
        // 实例 id
        String processInstanceId = "1ef2b3df-cc1e-11ec-9116-28d0ea3dce6b";
        List<HistoricActivityInstance> list = query.processInstanceId(processInstanceId)
                .orderByHistoricActivityInstanceStartTime().asc() // 根据开始时间排序 asc 升序
                .list();
        for (HistoricActivityInstance hi : list) {
            System.out.print("流程定义ID: " + hi.getProcessDefinitionId());
            System.out.print("，流程实例ID: " + hi.getProcessInstanceId());
            System.out.print("，节点ID: " + hi.getActivityId());
            System.out.print("，节点名称: " + hi.getActivityName());
            System.out.print("，任务办理人：" + hi.getAssignee());
            System.out.print("，开始时间：" + hi.getStartTime());
            System.out.println("结束时间：" + hi.getEndTime());
        }
    }

查询已结束的流程实例

    /**
     * 查询已结束的流程实例
     */
    @Test
    public void getProcInstListFinish() {
        List<HistoricProcessInstance> instanceList =
                historyService.createHistoricProcessInstanceQuery()
                        .orderByProcessInstanceEndTime()
                        .desc()
                        .finished()
                        .list();
        for (HistoricProcessInstance instance : instanceList) {
            System.out.print("流程实例id：" + instance.getId());
            System.out.print("，流程实例名称："+instance.getName());
            System.out.print("，流程唯一key："+instance.getProcessDefinitionKey());
            System.out.print("，流程定义版本号："+instance.getProcessDefinitionVersion());
            System.out.print("，流程发起人："+instance.getStartUserId());
            System.out.print("，业务唯一标识："+instance.getBusinessKey());
            System.out.print("，开始时间："+instance.getStartTime() );
            System.out.print("，结束时间："+instance.getEndTime() );
            System.out.println("，原因详情："+instance.getDeleteReason());
        }
    }

删除已结束流程实例历史记录

    /**
     * 删除已结束的流程实例
     * ACT_HI_DETAIL
     * ACT_HI_VARINST
     * ACT_HI_TASKINST
     * ACT_HI_PROCINST
     * ACT_HI_ACTINST
     * ACT_HI_IDENTITYLINK
     * ACT_HI_COMMENT
     */
    @Test
    public void deleteFinishProcInst() {
        String procInstId = "1ef2b3df-cc1e-11ec-9116-28d0ea3dce6b";
        // 1. 查询流程实例是否已结束
        HistoricProcessInstance instance = historyService.createHistoricProcessInstanceQuery()
                .processInstanceId(procInstId)
                .finished()
                .singleResult();
        if(instance == null) {
            System.out.println("流程实例未结束或不存在");
            return;
        }
        // 2. 删除已结束流程实例(如果实例未结束，会抛出异常)
        historyService.deleteHistoricProcessInstance(procInstId);
    }