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	Merge remote-tracking branch 'origin/feature/bpm' into feature/bpm
This commit is contained in:
		@@ -1,17 +1,8 @@
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package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.ObjectUtil;
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import cn.hutool.core.util.RandomUtil;
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import cn.hutool.extra.spring.SpringUtil;
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import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.task.BpmTaskApproveReqVO;
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import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.task.BpmTaskRejectReqVO;
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import cn.iocoder.yudao.module.bpm.enums.definition.BpmUserTaskApproveTypeEnum;
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import cn.iocoder.yudao.module.bpm.enums.definition.BpmUserTaskAssignEmptyHandlerTypeEnum;
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import cn.iocoder.yudao.module.bpm.enums.task.BpmReasonEnum;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.BpmTaskCandidateInvoker;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.BpmnModelUtils;
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import cn.iocoder.yudao.module.bpm.service.task.BpmTaskService;
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import lombok.Setter;
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import lombok.extern.slf4j.Slf4j;
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import org.flowable.bpmn.model.UserTask;
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@@ -22,8 +13,7 @@ import org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl;
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import org.flowable.engine.impl.util.TaskHelper;
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import org.flowable.task.service.TaskService;
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import org.flowable.task.service.impl.persistence.entity.TaskEntity;
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import org.springframework.transaction.support.TransactionSynchronization;
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import org.springframework.transaction.support.TransactionSynchronizationManager;
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import org.springframework.transaction.annotation.Transactional;
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import java.util.List;
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import java.util.Set;
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@@ -46,6 +36,7 @@ public class BpmUserTaskActivityBehavior extends UserTaskActivityBehavior {
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    }
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    @Override
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    @Transactional(rollbackFor = Exception.class)
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    protected void handleAssignments(TaskService taskService, String assignee, String owner,
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        List<String> candidateUsers, List<String> candidateGroups, TaskEntity task, ExpressionManager expressionManager,
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        DelegateExecution execution, ProcessEngineConfigurationImpl processEngineConfiguration) {
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@@ -54,39 +45,7 @@ public class BpmUserTaskActivityBehavior extends UserTaskActivityBehavior {
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        // 第二步,设置作为负责人
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        if (assigneeUserId != null) {
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            TaskHelper.changeTaskAssignee(task, String.valueOf(assigneeUserId));
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            return;
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        }
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        // 特殊:处理需要自动通过、不通过的情况
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        Integer approveType = BpmnModelUtils.parseApproveType(userTask);
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        Integer assignEmptyHandlerType = BpmnModelUtils.parseAssignEmptyHandlerType(userTask);
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        TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {
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            @Override
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            public void afterCommit() {
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                // 特殊情况一:【人工审核】审批人为空,根据配置是否要自动通过、自动拒绝
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                if (ObjectUtil.equal(approveType, BpmUserTaskApproveTypeEnum.USER.getType())) {
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                    if (ObjectUtil.equal(assignEmptyHandlerType, BpmUserTaskAssignEmptyHandlerTypeEnum.APPROVE.getType())) {
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                        SpringUtil.getBean(BpmTaskService.class).approveTask(null, new BpmTaskApproveReqVO()
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                                .setId(task.getId()).setReason(BpmReasonEnum.ASSIGN_EMPTY_APPROVE.getReason()));
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                    } else if (ObjectUtil.equal(assignEmptyHandlerType, BpmUserTaskAssignEmptyHandlerTypeEnum.REJECT.getType())) {
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                        SpringUtil.getBean(BpmTaskService.class).rejectTask(null, new BpmTaskRejectReqVO()
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                                .setId(task.getId()).setReason(BpmReasonEnum.ASSIGN_EMPTY_REJECT.getReason()));
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                    }
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                // 特殊情况二:【自动审核】审批类型为自动通过、不通过
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                } else {
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                    if (ObjectUtil.equal(approveType, BpmUserTaskApproveTypeEnum.AUTO_APPROVE.getType())) {
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                        SpringUtil.getBean(BpmTaskService.class).approveTask(null, new BpmTaskApproveReqVO()
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                                .setId(task.getId()).setReason(BpmReasonEnum.APPROVE_TYPE_AUTO_APPROVE.getReason()));
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                    } else if (ObjectUtil.equal(approveType, BpmUserTaskApproveTypeEnum.AUTO_REJECT.getType())) {
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                        SpringUtil.getBean(BpmTaskService.class).rejectTask(null, new BpmTaskRejectReqVO()
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                                .setId(task.getId()).setReason(BpmReasonEnum.APPROVE_TYPE_AUTO_REJECT.getReason()));
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                    }
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                }
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            }
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        });
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    }
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    private Long calculateTaskCandidateUsers(DelegateExecution execution) {
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@@ -30,10 +30,11 @@ public class BpmnVariableConstants {
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     */
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    public static final String PROCESS_INSTANCE_VARIABLE_START_USER_SELECT_ASSIGNEES = "PROCESS_START_USER_SELECT_ASSIGNEES";
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    // TODO @芋艿:用于处理,驳回到发起人时,如果被自动通过的逻辑
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    /**
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     * 流程实例的变量 - 用于判断流程实例变量节点是否驳回. 格式 RETURN_FLAG_{节点 id}
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     *
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     * 目的是:驳回到发起节点时,因为审批人与发起人相同,所以被自动通过。但是,此时还是希望不要自动通过
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     *
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     * @see ProcessInstance#getProcessVariables()
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     */
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    public static final String PROCESS_INSTANCE_VARIABLE_RETURN_FLAG = "RETURN_FLAG_%s";
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@@ -196,7 +196,12 @@ public interface BpmTaskService {
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    // ========== Event 事件相关方法 ==========
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    /**
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     * 处理 Task 创建事件,目前是更新它的状态为审批中
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     * 处理 Task 创建事件,目前是
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     *
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     * 1. 更新它的状态为审批中
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     * 2. 处理自动通过的情况,例如说:1)无审批人时,是否自动通过、不通过;2)非【人工审核】时,是否自动通过、不通过
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     *
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     * 注意:它的触发时机,晚于 {@link #processTaskAssigned(Task)} 之后
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     *
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     * @param task 任务实体
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     */
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@@ -12,9 +12,7 @@ import cn.iocoder.yudao.framework.common.util.object.PageUtils;
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import cn.iocoder.yudao.framework.web.core.util.WebFrameworkUtils;
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import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.task.*;
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import cn.iocoder.yudao.module.bpm.convert.task.BpmTaskConvert;
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import cn.iocoder.yudao.module.bpm.enums.definition.BpmUserTaskAssignStartUserHandlerTypeEnum;
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import cn.iocoder.yudao.module.bpm.enums.definition.BpmUserTaskRejectHandlerType;
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import cn.iocoder.yudao.module.bpm.enums.definition.BpmUserTaskTimeoutHandlerTypeEnum;
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import cn.iocoder.yudao.module.bpm.enums.definition.*;
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import cn.iocoder.yudao.module.bpm.enums.task.BpmCommentTypeEnum;
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import cn.iocoder.yudao.module.bpm.enums.task.BpmReasonEnum;
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import cn.iocoder.yudao.module.bpm.enums.task.BpmTaskSignTypeEnum;
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@@ -620,10 +618,11 @@ public class BpmTaskServiceImpl implements BpmTaskService {
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            updateTaskStatusAndReason(task.getId(), BpmTaskStatusEnum.RETURN.getStatus(), reqVO.getReason());
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        });
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        // 设置流程变量节点驳回标记。用于驳回到节点。不执行 BpmUserTaskAssignStartUserHandlerTypeEnum 策略 而自动通过
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        // 3. 设置流程变量节点驳回标记:用于驳回到节点,不执行 BpmUserTaskAssignStartUserHandlerTypeEnum 策略。导致自动通过
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        runtimeService.setVariable(currentTask.getProcessInstanceId(),
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                String.format(PROCESS_INSTANCE_VARIABLE_RETURN_FLAG, reqVO.getTargetTaskDefinitionKey()), Boolean.TRUE);
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        // 3. 执行驳回
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        // 4. 执行驳回
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        runtimeService.createChangeActivityStateBuilder()
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                .processInstanceId(currentTask.getProcessInstanceId())
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                .moveActivityIdsToSingleActivityId(returnTaskKeyList, // 当前要跳转的节点列表( 1 或多)
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@@ -889,12 +888,55 @@ public class BpmTaskServiceImpl implements BpmTaskService {
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    @Override
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    public void processTaskCreated(Task task) {
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        // 1. 设置为待办中
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        Integer status = (Integer) task.getTaskLocalVariables().get(BpmnVariableConstants.TASK_VARIABLE_STATUS);
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        if (status != null) {
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            log.error("[updateTaskStatusWhenCreated][taskId({}) 已经有状态({})]", task.getId(), status);
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            return;
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        }
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        updateTaskStatus(task.getId(), BpmTaskStatusEnum.RUNNING.getStatus());
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        // 2. 处理自动通过的情况,例如说:1)无审批人时,是否自动通过、不通过;2)非【人工审核】时,是否自动通过、不通过
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        ProcessInstance processInstance = processInstanceService.getProcessInstance(task.getProcessInstanceId());
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        if (processInstance == null) {
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            log.error("[processTaskCreated][taskId({}) 没有找到流程实例]", task.getId());
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            return;
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        }
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        BpmnModel bpmnModel = modelService.getBpmnModelByDefinitionId(processInstance.getProcessDefinitionId());
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        FlowElement userTaskElement = BpmnModelUtils.getFlowElementById(bpmnModel, task.getTaskDefinitionKey());
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        Integer approveType = BpmnModelUtils.parseApproveType(userTaskElement);
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        Integer assignEmptyHandlerType = BpmnModelUtils.parseAssignEmptyHandlerType(userTaskElement);
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        TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {
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            @Override
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            public void afterCompletion(int transactionStatus) {
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                // 特殊情况:部分情况下,TransactionSynchronizationManager 注册 afterCommit 监听时,不会被调用,但是 afterCompletion 可以
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                // 例如说:第一个 task 就是配置【自动通过】或者【自动拒绝】时
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                if (ObjectUtil.notEqual(transactionStatus, TransactionSynchronization.STATUS_COMMITTED)) {
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                    return;
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                }
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                // 特殊情况一:【人工审核】审批人为空,根据配置是否要自动通过、自动拒绝
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                if (ObjectUtil.equal(approveType, BpmUserTaskApproveTypeEnum.USER.getType())) {
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                    if (ObjectUtil.equal(assignEmptyHandlerType, BpmUserTaskAssignEmptyHandlerTypeEnum.APPROVE.getType())) {
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                        SpringUtil.getBean(BpmTaskService.class).approveTask(null, new BpmTaskApproveReqVO()
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                                .setId(task.getId()).setReason(BpmReasonEnum.ASSIGN_EMPTY_APPROVE.getReason()));
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                    } else if (ObjectUtil.equal(assignEmptyHandlerType, BpmUserTaskAssignEmptyHandlerTypeEnum.REJECT.getType())) {
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                        SpringUtil.getBean(BpmTaskService.class).rejectTask(null, new BpmTaskRejectReqVO()
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                                .setId(task.getId()).setReason(BpmReasonEnum.ASSIGN_EMPTY_REJECT.getReason()));
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                    }
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                    // 特殊情况二:【自动审核】审批类型为自动通过、不通过
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                } else {
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                    if (ObjectUtil.equal(approveType, BpmUserTaskApproveTypeEnum.AUTO_APPROVE.getType())) {
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                        SpringUtil.getBean(BpmTaskService.class).approveTask(null, new BpmTaskApproveReqVO()
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                                .setId(task.getId()).setReason(BpmReasonEnum.APPROVE_TYPE_AUTO_APPROVE.getReason()));
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                    } else if (ObjectUtil.equal(approveType, BpmUserTaskApproveTypeEnum.AUTO_REJECT.getType())) {
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                        SpringUtil.getBean(BpmTaskService.class).rejectTask(null, new BpmTaskRejectReqVO()
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                                .setId(task.getId()).setReason(BpmReasonEnum.APPROVE_TYPE_AUTO_REJECT.getReason()));
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                    }
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                }
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            }
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        });
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    }
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    /**
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@@ -938,12 +980,13 @@ public class BpmTaskServiceImpl implements BpmTaskService {
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                    log.error("[processTaskAssigned][taskId({}) 没有找到流程实例]", task.getId());
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                    return;
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                }
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                // 审批人与提交人为同一人时,根据策略进行处理
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                // 审批人与提交人为同一人时,根据 BpmUserTaskAssignStartUserHandlerTypeEnum 策略进行处理
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                if (StrUtil.equals(task.getAssignee(), processInstance.getStartUserId())) {
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                    // 判断是否为回退或者驳回
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                    // 判断是否为回退或者驳回:如果是回退或者驳回不走这个策略
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                    // TODO 芋艿:【优化】未来有没更好的判断方式?!另外,还要考虑清理机制。就是说,下次处理了之后,就移除这个标识
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                    Boolean returnTaskFlag = runtimeService.getVariable(processInstance.getProcessInstanceId(),
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                            String.format(PROCESS_INSTANCE_VARIABLE_RETURN_FLAG, task.getTaskDefinitionKey()), Boolean.class);
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                    if (!BooleanUtil.isTrue(returnTaskFlag)) { // 如果是回退或者驳回不走这个策略
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                    if (ObjUtil.notEqual(returnTaskFlag, Boolean.TRUE)) {
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                        BpmnModel bpmnModel = modelService.getBpmnModelByDefinitionId(processInstance.getProcessDefinitionId());
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                        if (bpmnModel == null) {
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                            log.error("[processTaskAssigned][taskId({}) 没有找到流程模型]", task.getId());
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