@Override
public Void execute(CommandContext commandContext) {
if (currentTaskEntity != null) {
ExecutionEntity execution =
commandContext
.getExecutionEntityManager()
.findExecutionById(currentTaskEntity.getExecutionId());
execution.setActivity(activity);
execution.performOperation(AtomicOperation.TRANSITION_CREATE_SCOPE);
if (variables != null) {
if (currentTaskEntity.getExecutionId() != null) {
currentTaskEntity.setExecutionVariables(variables);
} else {
currentTaskEntity.setVariables(variables);
}
}
// 删除当前的任务，不能删除当前正在执行的任务，所以要先清除掉关联
Context.getCommandContext()
.getTaskEntityManager()
.deleteTask(currentTaskEntity, TaskEntity.DELETE_REASON_DELETED, false);
}
return null;
}
public void handleEvent(
EventSubscriptionEntity eventSubscription, Object payload, CommandContext commandContext) {
String configuration = eventSubscription.getConfiguration();
if (configuration == null) {
throw new ActivitiException(
"Compensating execution not set for compensate event subscription with id "
+ eventSubscription.getId());
}
ExecutionEntity compensatingExecution =
commandContext.getExecutionEntityManager().findExecutionById(configuration);
ActivityImpl compensationHandler = eventSubscription.getActivity();
if ((compensationHandler.getProperty(BpmnParse.PROPERTYNAME_IS_FOR_COMPENSATION) == null
|| !(Boolean)
compensationHandler.getProperty(BpmnParse.PROPERTYNAME_IS_FOR_COMPENSATION))
&& compensationHandler.isScope()) {
// descend into scope:
List<CompensateEventSubscriptionEntity> eventsForThisScope =
compensatingExecution.getCompensateEventSubscriptions();
ScopeUtil.throwCompensationEvent(eventsForThisScope, compensatingExecution, false);
} else {
try {
if (commandContext.getProcessEngineConfiguration().getEventDispatcher().isEnabled()) {
commandContext
.getProcessEngineConfiguration()
.getEventDispatcher()
.dispatchEvent(
ActivitiEventBuilder.createActivityEvent(
ActivitiEventType.ACTIVITY_COMPENSATE,
compensationHandler.getId(),
compensatingExecution.getId(),
compensatingExecution.getProcessInstanceId(),
compensatingExecution.getProcessDefinitionId()));
}
compensatingExecution.setActivity(compensationHandler);
// executing the atomic operation makes sure activity start events are fired
compensatingExecution.performOperation(AtomicOperation.ACTIVITY_START);
} catch (Exception e) {
throw new ActivitiException(
"Error while handling compensation event " + eventSubscription, e);
}
}
}
/** 根据任务历史，创建待办任务. */
public void processHistoryTask(
HistoricTaskInstanceEntity historicTaskInstanceEntity,
HistoricActivityInstanceEntity historicActivityInstanceEntity) {
/*
* historicTaskInstanceEntity.setEndTime(null); historicTaskInstanceEntity.setDurationInMillis(null);
* historicActivityInstanceEntity.setEndTime(null); historicActivityInstanceEntity.setDurationInMillis(null);
*/
// 创建新任务
TaskEntity task = TaskEntity.create(new Date());
task.setProcessDefinitionId(historicTaskInstanceEntity.getProcessDefinitionId());
// task.setId(historicTaskInstanceEntity.getId());
// task.setAssigneeWithoutCascade(historicTaskInstanceEntity.getAssignee());
task.setAssigneeWithoutCascade(this.userId);
task.setParentTaskIdWithoutCascade(historicTaskInstanceEntity.getParentTaskId());
task.setNameWithoutCascade(historicTaskInstanceEntity.getName());
task.setTaskDefinitionKey(historicTaskInstanceEntity.getTaskDefinitionKey());
task.setExecutionId(historicTaskInstanceEntity.getExecutionId());
task.setPriority(historicTaskInstanceEntity.getPriority());
task.setProcessInstanceId(historicTaskInstanceEntity.getProcessInstanceId());
task.setExecutionId(historicTaskInstanceEntity.getExecutionId());
task.setDescriptionWithoutCascade(historicTaskInstanceEntity.getDescription());
task.setTenantId(historicTaskInstanceEntity.getTenantId());
Context.getCommandContext().getTaskEntityManager().insert(task);
// 把流程指向任务对应的节点
ExecutionEntity executionEntity =
Context.getCommandContext()
.getExecutionEntityManager()
.findExecutionById(historicTaskInstanceEntity.getExecutionId());
executionEntity.setActivity(getActivity(historicActivityInstanceEntity));
// 创建HistoricActivityInstance
Context.getCommandContext().getHistoryManager().recordActivityStart(executionEntity);
// 创建HistoricTaskInstance
Context.getCommandContext().getHistoryManager().recordTaskCreated(task, executionEntity);
Context.getCommandContext().getHistoryManager().recordTaskId(task);
// 更新ACT_HI_ACTIVITY里的assignee字段
Context.getCommandContext().getHistoryManager().recordTaskAssignment(task);
try {
// humanTask
this.createHumanTask(task, historicTaskInstanceEntity);
} catch (Exception ex) {
logger.error(ex.getMessage(), ex);
}
}
public void processHistoryTask(
HistoricTaskInstanceEntity historicTaskInstanceEntity,
HistoricActivityInstanceEntity historicActivityInstanceEntity) {
historicTaskInstanceEntity.setEndTime(null);
historicTaskInstanceEntity.setDurationInMillis(null);
historicActivityInstanceEntity.setEndTime(null);
historicActivityInstanceEntity.setDurationInMillis(null);
TaskEntity task = TaskEntity.create(new Date());
task.setProcessDefinitionId(historicTaskInstanceEntity.getProcessDefinitionId());
task.setId(historicTaskInstanceEntity.getId());
task.setAssigneeWithoutCascade(historicTaskInstanceEntity.getAssignee());
task.setParentTaskIdWithoutCascade(historicTaskInstanceEntity.getParentTaskId());
task.setNameWithoutCascade(historicTaskInstanceEntity.getName());
task.setTaskDefinitionKey(historicTaskInstanceEntity.getTaskDefinitionKey());
task.setExecutionId(historicTaskInstanceEntity.getExecutionId());
task.setPriority(historicTaskInstanceEntity.getPriority());
task.setProcessInstanceId(historicTaskInstanceEntity.getProcessInstanceId());
task.setDescriptionWithoutCascade(historicTaskInstanceEntity.getDescription());
task.setTenantId(historicTaskInstanceEntity.getTenantId());
Context.getCommandContext().getTaskEntityManager().insert(task);
try {
HumanTaskConnector humanTaskConnector =
ApplicationContextHelper.getBean(HumanTaskConnector.class);
// humantask
humanTaskConnector.removeHumanTaskByTaskId(historicTaskInstanceEntity.getId());
this.createHumanTask(task);
} catch (Exception ex) {
logger.error(ex.getMessage(), ex);
}
ExecutionEntity executionEntity =
Context.getCommandContext()
.getExecutionEntityManager()
.findExecutionById(historicTaskInstanceEntity.getExecutionId());
executionEntity.setActivity(getActivity(historicActivityInstanceEntity));
}