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https://issues.apache.org/jira/browse/FLINK-7280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110504#comment-16110504
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ASF GitHub Bot commented on FLINK-7280:
---------------------------------------
Github user dawidwys commented on the issue:
https://github.com/apache/flink/pull/4406
merging
> Wrong clearing SharedBuffer of Equal elements with same Timestamp
> -----------------------------------------------------------------
>
> Key: FLINK-7280
> URL: https://issues.apache.org/jira/browse/FLINK-7280
> Project: Flink
> Issue Type: Bug
> Components: CEP
> Affects Versions: 1.3.1, 1.4.0
> Reporter: Dawid Wysakowicz
> Assignee: Dawid Wysakowicz
>
> Following tests fails right now:
> {code}
> @Test
> public void testClearingBuffer() throws Exception {
> List<StreamRecord<Event>> inputEvents = new ArrayList<>();
> Event a1 = new Event(40, "a", 1.0);
> Event b1 = new Event(41, "b", 2.0);
> Event c1 = new Event(41, "c", 2.0);
> Event d = new Event(41, "d", 2.0);
> inputEvents.add(new StreamRecord<>(a1, 1));
> inputEvents.add(new StreamRecord<>(b1, 2));
> inputEvents.add(new StreamRecord<>(c1, 2));
> inputEvents.add(new StreamRecord<>(d, 2));
> Pattern<Event, ?> pattern = Pattern.<Event>begin("a").where(new
> SimpleCondition<Event>() {
> @Override
> public boolean filter(Event value) throws Exception {
> return value.getName().equals("a");
> }
> }).followedBy("b").where(new SimpleCondition<Event>() {
> @Override
> public boolean filter(Event value) throws Exception {
> return value.getName().equals("b");
> }
> }).followedBy("c").where(new SimpleCondition<Event>() {
> @Override
> public boolean filter(Event value) throws Exception {
> return value.getName().equals("c");
> }
> }).followedBy("d").where(new SimpleCondition<Event>() {
> @Override
> public boolean filter(Event value) throws Exception {
> return value.getName().equals("d");
> }
> });
> NFA<Event> nfa = NFACompiler.compile(pattern,
> Event.createTypeSerializer(), false);
> List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
> compareMaps(resultingPatterns, Lists.<List<Event>>newArrayList(
> Lists.newArrayList(a1, b1, c1, d)
> ));
> assertTrue(nfa.isEmpty());
> }
> {code}
> {code}
> @Test
> public void testClearingBufferWithUntilAtTheEnd() throws Exception {
> List<StreamRecord<Event>> inputEvents = new ArrayList<>();
> Event a1 = new Event(40, "a", 1.0);
> Event d1 = new Event(41, "d", 2.0);
> Event d2 = new Event(41, "d", 2.0);
> Event d3 = new Event(41, "d", 2.0);
> Event d4 = new Event(41, "d", 2.0);
> inputEvents.add(new StreamRecord<>(a1, 1));
> inputEvents.add(new StreamRecord<>(d1, 2));
> inputEvents.add(new StreamRecord<>(d2, 2));
> inputEvents.add(new StreamRecord<>(d3, 2));
> inputEvents.add(new StreamRecord<>(d4, 4));
> Pattern<Event, ?> pattern = Pattern.<Event>begin("a").where(new
> SimpleCondition<Event>() {
> @Override
> public boolean filter(Event value) throws Exception {
> return value.getName().equals("a");
> }
> }).followedBy("d").where(new SimpleCondition<Event>() {
> @Override
> public boolean filter(Event value) throws Exception {
> return value.getName().equals("d");
> }
> }).oneOrMore().until(new IterativeCondition<Event>() {
> @Override
> public boolean filter(Event value, Context<Event> ctx) throws
> Exception {
> return
> Iterators.size(ctx.getEventsForPattern("d").iterator()) == 3;
> }
> });
> NFA<Event> nfa = NFACompiler.compile(pattern,
> Event.createTypeSerializer(), false);
> List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
> compareMaps(resultingPatterns, Lists.<List<Event>>newArrayList(
> Lists.newArrayList(a1, d1, d2, d3),
> Lists.newArrayList(a1, d1, d2),
> Lists.newArrayList(a1, d1)
> ));
> assertTrue(nfa.isEmpty());
> }
> {code}
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