reele commented on a change in pull request #6063:
URL: https://github.com/apache/dolphinscheduler/pull/6063#discussion_r701055170
##########
File path:
dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/SubProcessTaskExecThread.java
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@@ -112,6 +112,31 @@ private void updateParentProcessState(){
this.processInstance.setState(parentProcessInstance.getState());
}
+ /**
+ * wait for the establishment of sub-process-instance
+ * @throws InterruptedException
+ */
+ private void waitSubProcessEstablishment() throws InterruptedException {
+ if (subProcessInstance == null) {
+ while (Stopper.isRunning()) {
+ Thread.sleep(Constants.SLEEP_TIME_MILLIS);
+ if (setTaskInstanceState()) {
+ break;
+ }
+ }
+ }
+ }
+
+ /**
+ * check if both task and sub-process are both finished
+ * (when recover a stopping instance, subProcessInstance may still in
running by fault-tolerant)
+ */
+ private boolean isTaskInstanceFinished() {
+ boolean isSubProcessFinished = (subProcessInstance == null ||
subProcessInstance.getState().typeIsFinished());
Review comment:
It is used to ensure that `subProcessInstance.getState()` is valid, it
may still be null at this position.
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