use of org.apache.flink.cep.pattern.conditions.SimpleCondition in project flink by splunk.
the class NFAITCase method testComplexBranchingAfterZeroOrMore.
@Test
public void testComplexBranchingAfterZeroOrMore() throws Exception {
List<StreamRecord<Event>> inputEvents = new ArrayList<>();
Event startEvent = new Event(40, "c", 1.0);
Event middleEvent1 = new Event(41, "a", 2.0);
Event middleEvent2 = new Event(42, "a", 3.0);
Event middleEvent3 = new Event(43, "a", 4.0);
Event end1 = new Event(44, "b", 5.0);
Event end2 = new Event(45, "d", 6.0);
Event end3 = new Event(46, "d", 7.0);
Event end4 = new Event(47, "e", 8.0);
inputEvents.add(new StreamRecord<>(startEvent, 1));
inputEvents.add(new StreamRecord<>(middleEvent1, 3));
inputEvents.add(new StreamRecord<>(middleEvent2, 4));
inputEvents.add(new StreamRecord<>(middleEvent3, 5));
inputEvents.add(new StreamRecord<>(end1, 6));
inputEvents.add(new StreamRecord<>(end2, 7));
inputEvents.add(new StreamRecord<>(end3, 8));
inputEvents.add(new StreamRecord<>(end4, 9));
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");
}
}).followedByAny("middle").where(new SimpleCondition<Event>() {
private static final long serialVersionUID = 5726188262756267490L;
@Override
public boolean filter(Event value) throws Exception {
return value.getName().equals("a");
}
}).oneOrMore().allowCombinations().optional().followedByAny("end1").where(new SimpleCondition<Event>() {
private static final long serialVersionUID = 5726188262756267490L;
@Override
public boolean filter(Event value) throws Exception {
return value.getName().equals("b");
}
}).followedByAny("end2").where(new SimpleCondition<Event>() {
private static final long serialVersionUID = 5726188262756267490L;
@Override
public boolean filter(Event value) throws Exception {
return value.getName().equals("d");
}
}).followedByAny("end3").where(new SimpleCondition<Event>() {
private static final long serialVersionUID = 5726188262756267490L;
@Override
public boolean filter(Event value) throws Exception {
return value.getName().equals("e");
}
});
NFA<Event> nfa = compile(pattern, false);
List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
comparePatterns(resultingPatterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(startEvent, middleEvent1, middleEvent2, middleEvent3, end1, end2, end4), Lists.newArrayList(startEvent, middleEvent1, middleEvent2, end1, end2, end4), Lists.newArrayList(startEvent, middleEvent1, middleEvent3, end1, end2, end4), Lists.newArrayList(startEvent, middleEvent2, middleEvent3, end1, end2, end4), Lists.newArrayList(startEvent, middleEvent1, end1, end2, end4), Lists.newArrayList(startEvent, middleEvent2, end1, end2, end4), Lists.newArrayList(startEvent, middleEvent3, end1, end2, end4), Lists.newArrayList(startEvent, end1, end2, end4), Lists.newArrayList(startEvent, middleEvent1, middleEvent2, middleEvent3, end1, end3, end4), Lists.newArrayList(startEvent, middleEvent1, middleEvent2, end1, end3, end4), Lists.newArrayList(startEvent, middleEvent1, middleEvent3, end1, end3, end4), Lists.newArrayList(startEvent, middleEvent2, middleEvent3, end1, end3, end4), Lists.newArrayList(startEvent, middleEvent1, end1, end3, end4), Lists.newArrayList(startEvent, middleEvent2, end1, end3, end4), Lists.newArrayList(startEvent, middleEvent3, end1, end3, end4), Lists.newArrayList(startEvent, end1, end3, end4)));
}
use of org.apache.flink.cep.pattern.conditions.SimpleCondition in project flink by splunk.
the class NFAITCase method testStrictContinuityResultsAfterZeroOrMore.
@Test
public void testStrictContinuityResultsAfterZeroOrMore() throws Exception {
List<StreamRecord<Event>> inputEvents = new ArrayList<>();
Event start = new Event(40, "d", 2.0);
Event middleEvent1 = new Event(41, "a", 2.0);
Event middleEvent2 = new Event(42, "a", 2.0);
Event end = new Event(43, "b", 4.0);
inputEvents.add(new StreamRecord<>(start, 1));
inputEvents.add(new StreamRecord<>(middleEvent1, 2));
inputEvents.add(new StreamRecord<>(middleEvent2, 3));
inputEvents.add(new StreamRecord<>(end, 5));
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("d");
}
}).followedByAny("middle").where(new SimpleCondition<Event>() {
private static final long serialVersionUID = 5726188262756267490L;
@Override
public boolean filter(Event value) throws Exception {
return value.getName().equals("a");
}
}).oneOrMore().optional().allowCombinations().next("end").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 = compile(pattern, false);
final List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
comparePatterns(resultingPatterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(start, middleEvent1, middleEvent2, end), Lists.newArrayList(start, middleEvent2, end)));
}
use of org.apache.flink.cep.pattern.conditions.SimpleCondition in project flink by splunk.
the class NFAITCase method testStartWithOptional.
@Test
public void testStartWithOptional() throws Exception {
List<StreamRecord<Event>> inputEvents = new ArrayList<>();
Event startEvent = new Event(40, "c", 1.0);
Event end1 = new Event(44, "b", 5.0);
inputEvents.add(new StreamRecord<>(startEvent, 1));
inputEvents.add(new StreamRecord<>(end1, 6));
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");
}
}).optional().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 = compile(pattern, false);
final List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
comparePatterns(resultingPatterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(startEvent, end1), Lists.newArrayList(end1)));
}
use of org.apache.flink.cep.pattern.conditions.SimpleCondition in project flink by splunk.
the class NFAITCase method testBranchingPatternMixedFollowedBy.
@Test
public void testBranchingPatternMixedFollowedBy() throws Exception {
List<StreamRecord<Event>> inputEvents = new ArrayList<>();
Event startEvent = new Event(40, "start", 1.0);
SubEvent middleEvent1 = new SubEvent(41, "foo1", 1.0, 10.0);
SubEvent middleEvent2 = new SubEvent(42, "foo2", 1.0, 10.0);
SubEvent middleEvent3 = new SubEvent(43, "foo3", 1.0, 10.0);
SubEvent nextOne1 = new SubEvent(44, "next-one", 1.0, 2.0);
SubEvent nextOne2 = new SubEvent(45, "next-one", 1.0, 2.0);
Event endEvent = new Event(46, "end", 1.0);
inputEvents.add(new StreamRecord<>(startEvent, 1));
inputEvents.add(new StreamRecord<Event>(middleEvent1, 3));
inputEvents.add(new StreamRecord<Event>(middleEvent2, 4));
inputEvents.add(new StreamRecord<Event>(middleEvent3, 5));
inputEvents.add(new StreamRecord<Event>(nextOne1, 6));
inputEvents.add(new StreamRecord<Event>(nextOne2, 7));
inputEvents.add(new StreamRecord<>(endEvent, 8));
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("start");
}
}).followedByAny("middle-first").subtype(SubEvent.class).where(new SimpleCondition<SubEvent>() {
private static final long serialVersionUID = 6215754202506583964L;
@Override
public boolean filter(SubEvent value) throws Exception {
return value.getVolume() > 5.0;
}
}).followedBy("middle-second").subtype(SubEvent.class).where(new SimpleCondition<SubEvent>() {
private static final long serialVersionUID = 6215754202506583964L;
@Override
public boolean filter(SubEvent value) throws Exception {
return value.getName().equals("next-one");
}
}).followedByAny("end").where(new SimpleCondition<Event>() {
private static final long serialVersionUID = 7056763917392056548L;
@Override
public boolean filter(Event value) throws Exception {
return value.getName().equals("end");
}
});
NFA<Event> nfa = compile(pattern, false);
final List<List<Event>> patterns = feedNFA(inputEvents, nfa);
comparePatterns(patterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(startEvent, middleEvent1, nextOne1, endEvent), Lists.newArrayList(startEvent, middleEvent2, nextOne1, endEvent), Lists.newArrayList(startEvent, middleEvent3, nextOne1, endEvent)));
}
use of org.apache.flink.cep.pattern.conditions.SimpleCondition in project flink by splunk.
the class NFAITCase method testTimesClearingBuffer.
// ///////////////////////////// Clearing SharedBuffer
// ////////////////////////////////////////
@Test
public void testTimesClearingBuffer() throws Exception {
Event startEvent = new Event(40, "c", 1.0);
Event middleEvent1 = new Event(41, "a", 2.0);
Event middleEvent2 = new Event(42, "a", 3.0);
Event middleEvent3 = new Event(43, "a", 4.0);
Event end1 = new Event(44, "b", 5.0);
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");
}
}).within(Time.milliseconds(8));
NFA<Event> nfa = compile(pattern, false);
NFAState nfaState = nfa.createInitialNFAState();
NFATestHarness nfaTestHarness = NFATestHarness.forNFA(nfa).withNFAState(nfaState).build();
nfaTestHarness.feedRecord(new StreamRecord<>(startEvent, 1));
nfaTestHarness.feedRecord(new StreamRecord<>(middleEvent1, 2));
nfaTestHarness.feedRecord(new StreamRecord<>(middleEvent2, 3));
nfaTestHarness.feedRecord(new StreamRecord<>(middleEvent3, 4));
nfaTestHarness.feedRecord(new StreamRecord<>(end1, 6));
// pruning element
nfa.advanceTime(sharedBufferAccessor, nfaState, 10);
assertEquals(1, nfaState.getPartialMatches().size());
assertEquals("start", nfaState.getPartialMatches().peek().getCurrentStateName());
}
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