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Posted to commits@flink.apache.org by fh...@apache.org on 2017/04/06 07:28:33 UTC

[20/37] flink git commit: [FLINK-6265] [cep] Fix consecutive() for times()

[FLINK-6265] [cep] Fix consecutive() for times()


Project: http://git-wip-us.apache.org/repos/asf/flink/repo
Commit: http://git-wip-us.apache.org/repos/asf/flink/commit/ffca0e76
Tree: http://git-wip-us.apache.org/repos/asf/flink/tree/ffca0e76
Diff: http://git-wip-us.apache.org/repos/asf/flink/diff/ffca0e76

Branch: refs/heads/table-retraction
Commit: ffca0e76eaaefe6251a7664b93c4ec007e4305e9
Parents: 1649f35
Author: kl0u <kk...@gmail.com>
Authored: Tue Apr 4 18:23:50 2017 +0200
Committer: kl0u <kk...@gmail.com>
Committed: Wed Apr 5 17:20:01 2017 +0200

----------------------------------------------------------------------
 .../flink/cep/nfa/compiler/NFACompiler.java     |   1 -
 .../org/apache/flink/cep/nfa/NFAITCase.java     | 136 ++++++++++++++++++-
 2 files changed, 133 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/flink/blob/ffca0e76/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/compiler/NFACompiler.java
----------------------------------------------------------------------
diff --git a/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/compiler/NFACompiler.java b/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/compiler/NFACompiler.java
index e441c4b..e8077fa 100644
--- a/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/compiler/NFACompiler.java
+++ b/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/compiler/NFACompiler.java
@@ -266,7 +266,6 @@ public class NFACompiler {
 			for (int i = 0; i < times - 1; i++) {
 				lastSink = createSingletonState(
 					lastSink,
-					currentPattern instanceof FollowedByPattern &&
 					!currentPattern.getQuantifier().hasProperty(QuantifierProperty.STRICT));
 			}
 			return createSingletonState(lastSink, currentPattern instanceof FollowedByPattern);

http://git-wip-us.apache.org/repos/asf/flink/blob/ffca0e76/flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/NFAITCase.java
----------------------------------------------------------------------
diff --git a/flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/NFAITCase.java b/flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/NFAITCase.java
index da5f413..7359ca8 100644
--- a/flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/NFAITCase.java
+++ b/flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/NFAITCase.java
@@ -1336,9 +1336,10 @@ public class NFAITCase extends TestLogger {
 			}
 		}
 
-		assertEquals(1, allPatterns.size());
+		assertEquals(2, allPatterns.size());
 		assertEquals(Sets.<Set<Event>>newHashSet(
-			Sets.newHashSet(startEvent, middleEvent1, middleEvent2, end1)
+			Sets.newHashSet(startEvent, middleEvent1, middleEvent2, end1),
+			Sets.newHashSet(startEvent, middleEvent1, middleEvent3, end1)
 		), resultingPatterns);
 	}
 
@@ -1363,7 +1364,7 @@ public class NFAITCase extends TestLogger {
 			public boolean filter(Event value) throws Exception {
 				return value.getName().equals("a");
 			}
-		}).times(2).followedBy("end1").where(new SimpleCondition<Event>() {
+		}).times(2).consecutive().followedBy("end1").where(new SimpleCondition<Event>() {
 			private static final long serialVersionUID = 5726188262756267490L;
 
 			@Override
@@ -1396,6 +1397,135 @@ public class NFAITCase extends TestLogger {
 	}
 
 	@Test
+	public void testTimesNonStrictWithNext() {
+		List<StreamRecord<Event>> inputEvents = new ArrayList<>();
+
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.startEvent, 1));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.middleEvent1, 2));
+		inputEvents.add(new StreamRecord<>(new Event(23, "f", 1.0), 3));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.middleEvent2, 4));
+		inputEvents.add(new StreamRecord<>(new Event(23, "f", 1.0), 5));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.middleEvent3, 6));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.end, 7));
+
+		Pattern<Event, ?> pattern = Pattern.<Event>begin("start").where(new SimpleCondition<Event>() {
+			private static final long serialVersionUID = 5726188262756267490L;
+
+			@Override
+			public boolean filter(Event value) throws Exception {
+				return value.getName().equals("c");
+			}
+		}).next("middle").where(new SimpleCondition<Event>() {
+			private static final long serialVersionUID = 5726188262756267490L;
+
+			@Override
+			public boolean filter(Event value) throws Exception {
+				return value.getName().equals("a");
+			}
+		}).times(2).followedBy("end1").where(new SimpleCondition<Event>() {
+			private static final long serialVersionUID = 5726188262756267490L;
+
+			@Override
+			public boolean filter(Event value) throws Exception {
+				return value.getName().equals("b");
+			}
+		});
+
+		NFA<Event> nfa = NFACompiler.compile(pattern, Event.createTypeSerializer(), false);
+
+		List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
+
+		compareMaps(resultingPatterns, Lists.<List<Event>>newArrayList(
+				Lists.newArrayList(ConsecutiveData.startEvent, ConsecutiveData.middleEvent1, ConsecutiveData.middleEvent2, ConsecutiveData.end),
+				Lists.newArrayList(ConsecutiveData.startEvent, ConsecutiveData.middleEvent1, ConsecutiveData.middleEvent3, ConsecutiveData.end)
+		));
+	}
+
+	@Test
+	public void testTimesStrictWithFollowedBy() {
+		List<StreamRecord<Event>> inputEvents = new ArrayList<>();
+
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.startEvent, 1));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.middleEvent1, 2));
+		inputEvents.add(new StreamRecord<>(new Event(23, "f", 1.0), 3));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.middleEvent2, 4));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.middleEvent3, 6));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.end, 7));
+
+		Pattern<Event, ?> pattern = Pattern.<Event>begin("start").where(new SimpleCondition<Event>() {
+			private static final long serialVersionUID = 5726188262756267490L;
+
+			@Override
+			public boolean filter(Event value) throws Exception {
+				return value.getName().equals("c");
+			}
+		}).followedBy("middle").where(new SimpleCondition<Event>() {
+			private static final long serialVersionUID = 5726188262756267490L;
+
+			@Override
+			public boolean filter(Event value) throws Exception {
+				return value.getName().equals("a");
+			}
+		}).times(2).consecutive().followedBy("end1").where(new SimpleCondition<Event>() {
+			private static final long serialVersionUID = 5726188262756267490L;
+
+			@Override
+			public boolean filter(Event value) throws Exception {
+				return value.getName().equals("b");
+			}
+		});
+
+		NFA<Event> nfa = NFACompiler.compile(pattern, Event.createTypeSerializer(), false);
+
+		List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
+
+		compareMaps(resultingPatterns, Lists.<List<Event>>newArrayList(
+			Lists.newArrayList(ConsecutiveData.startEvent, ConsecutiveData.middleEvent3, ConsecutiveData.middleEvent2, ConsecutiveData.end)
+		));
+	}
+
+	@Test
+	public void testTimesStrictWithNextAndConsecutive() {
+		List<StreamRecord<Event>> inputEvents = new ArrayList<>();
+
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.startEvent, 1));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.middleEvent1, 2));
+		inputEvents.add(new StreamRecord<>(new Event(23, "f", 1.0), 3));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.middleEvent2, 4));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.middleEvent3, 6));
+		inputEvents.add(new StreamRecord<>(ConsecutiveData.end, 7));
+
+		Pattern<Event, ?> pattern = Pattern.<Event>begin("start").where(new SimpleCondition<Event>() {
+			private static final long serialVersionUID = 5726188262756267490L;
+
+			@Override
+			public boolean filter(Event value) throws Exception {
+				return value.getName().equals("c");
+			}
+		}).next("middle").where(new SimpleCondition<Event>() {
+			private static final long serialVersionUID = 5726188262756267490L;
+
+			@Override
+			public boolean filter(Event value) throws Exception {
+				return value.getName().equals("a");
+			}
+		}).times(2).consecutive().followedBy("end1").where(new SimpleCondition<Event>() {
+			private static final long serialVersionUID = 5726188262756267490L;
+
+			@Override
+			public boolean filter(Event value) throws Exception {
+				return value.getName().equals("b");
+			}
+		});
+
+		NFA<Event> nfa = NFACompiler.compile(pattern, Event.createTypeSerializer(), false);
+
+		List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
+
+		compareMaps(resultingPatterns, Lists.<List<Event>>newArrayList());
+	}
+
+	@Test
 	public void testStartWithOptional() {
 		List<StreamRecord<Event>> inputEvents = new ArrayList<>();