Github user greghogan commented on a diff in the pull request:
https://github.com/apache/flink/pull/2568#discussion_r81200110
--- Diff:
flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/operator/AbstractCEPPatternOperator.java
---
@@ -126,11 +126,12 @@ public void restoreState(FSDataInputStream state)
throws Exception {
int numberPriorityQueueEntries = ois.readInt();
- priorityQueue = new
PriorityQueue<StreamRecord<IN>>(numberPriorityQueueEntries, new
StreamRecordComparator<IN>());
-
- for (int i = 0; i <numberPriorityQueueEntries; i++) {
- StreamElement streamElement =
streamRecordSerializer.deserialize(new DataInputViewStreamWrapper(ois));
- priorityQueue.offer(streamElement.<IN>asRecord());
+ if(numberPriorityQueueEntries > 0) {
+ priorityQueue = new
PriorityQueue<StreamRecord<IN>>(numberPriorityQueueEntries, new
StreamRecordComparator<IN>());
--- End diff --
The queue is created in `open()`.
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