shuai-xu commented on a change in pull request #11235: [FLINK-15980] fix that
the notFollowedBy in the end of GroupPattern may be ignored
URL: https://github.com/apache/flink/pull/11235#discussion_r386905832
##########
File path:
flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/NotPatternITCase.java
##########
@@ -980,6 +980,53 @@ public void
testNotFollowedByBeforeZeroOrMoreCombinationsSkipTillAny() throws Ex
));
}
+ @Test
+ public void testNotFollowedByInTheEndOfGroupPattern() throws Exception {
+
+ List<StreamRecord<Event>> inputEvents = new ArrayList<>();
+
+ int i = 0;
+ inputEvents.add(new StreamRecord<>(NotFollowByData.A_1, i++));
+ inputEvents.add(new StreamRecord<>(NotFollowByData.C_1, i++));
+ inputEvents.add(new StreamRecord<>(NotFollowByData.B_1, i++));
+ inputEvents.add(new StreamRecord<>(NotFollowByData.A_1, i++));
+ inputEvents.add(new StreamRecord<>(NotFollowByData.B_2, i++));
+
+ Pattern<Event, ?> startPattern = Pattern
+ .<Event>begin("a").where(new
SimpleCondition<Event>() {
+ private static final long
serialVersionUID = 5726188262756267490L;
+
+ @Override
+ public boolean filter(Event value)
throws Exception {
+ return
value.getName().equals("a");
+ }
+ })
+ .notFollowedBy("not c").where(new
SimpleCondition<Event>() {
+ private static final long
serialVersionUID = 5726188262756267490L;
Review comment:
OK
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