Examples with SkipPastLastStrategy org.apache.flink.cep.nfa.aftermatch.SkipPastLastStrategy used on opensource projects

Example 1 with SkipPastLastStrategy

use of org.apache.flink.cep.nfa.aftermatch.SkipPastLastStrategy in project flink by apache.

the class AfterMatchSkipITCase method testSharedBufferIsProperlyCleared.

@Test
public void testSharedBufferIsProperlyCleared() throws Exception {
    List<StreamRecord<Event>> inputEvents = new ArrayList<>();
    for (int i = 0; i < 4; i++) {
        inputEvents.add(new StreamRecord<>(new Event(1, "a", 1.0), i));
    }
    SkipPastLastStrategy matchSkipStrategy = AfterMatchSkipStrategy.skipPastLastEvent();
    Pattern<Event, ?> pattern = Pattern.<Event>begin("start", matchSkipStrategy).where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 5726188262756267490L;

        @Override
        public boolean filter(Event value) throws Exception {
            return true;
        }
    }).times(2);
    SharedBuffer<Event> sharedBuffer = TestSharedBuffer.createTestBuffer(Event.createTypeSerializer());
    NFATestHarness nfaTestHarness = NFATestHarness.forPattern(pattern).withSharedBuffer(sharedBuffer).build();
    nfaTestHarness.feedRecords(inputEvents);
    assertThat(sharedBuffer.isEmpty(), Matchers.is(true));
}