tisonkun commented on code in PR #464:
URL: https://github.com/apache/curator/pull/464#discussion_r1223020774
##########
curator-framework/src/main/java/org/apache/curator/framework/imps/CuratorFrameworkImpl.java:
##########
@@ -694,17 +714,46 @@ <DATA_TYPE> void
processBackgroundOperation(OperationAndData<DATA_TYPE> operatio
}
}
+ private void closeOperation(OperationAndData<?> operation) {
+ if (operation.getCallback() == null) {
+ return;
+ }
+ CuratorEvent event = new CuratorEventImpl(this,
CuratorEventType.CLOSING, KeeperException.Code.SESSIONEXPIRED.intValue(), null,
null, operation.getContext(), null, null, null, null, null, null);
+ sendToBackgroundCallback(operation, event);
+ }
+
+ private void requeueSleepOperation(OperationAndData<?> operationAndData) {
+ operationAndData.clearSleep();
+ synchronized (closeLock)
+ {
+ if (getState() == CuratorFrameworkState.STARTED)
+ {
+ if (backgroundOperations.remove(operationAndData))
+ {
+ // due to the internals of DelayQueue, operation must be
removed/re-added so that re-sorting occurs
+ backgroundOperations.offer(operationAndData);
+ } // This operation has been taken over by background thread.
+ return;
+ }
+ }
+ closeOperation(operationAndData);
+ }
+
/**
* @param operationAndData operation entry
* @return true if the operation was actually queued, false if not
*/
<DATA_TYPE> boolean queueOperation(OperationAndData<DATA_TYPE>
operationAndData)
{
- if ( getState() == CuratorFrameworkState.STARTED )
+ synchronized (closeLock)
{
- backgroundOperations.offer(operationAndData);
- return true;
+ if (getState() == CuratorFrameworkState.STARTED)
Review Comment:
Thanks for your explanation! SGTM.
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