Github user yestinchen commented on a diff in the pull request: https://github.com/apache/flink/pull/4331#discussion_r130317411 --- Diff: flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/NFA.java --- @@ -551,18 +579,47 @@ private boolean isSelfIgnore(final StateTransition<T> edge) { nextVersion, startTimestamp); } + + switch (skipStrategy.getStrategy()) { + case SKIP_PAST_LAST_EVENT: + if (nextState.isFinal()) { + resultingComputationStates.add(createStartComputationState(computationState, event)); + } + break; + case SKIP_TO_FIRST: + if (nextState.getName().equals(skipStrategy.getPatternName()) && + !nextState.getName().equals(currentState.getName())) { + ComputationState<T> startComputationState = createStartComputationState(computationState, event); + if (callLevel > 0) { --- End diff -- Because we need to detect whether there is an infinite loop. I use the callLevel to track it here.
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