Examples with SimpleCondition org.apache.flink.cep.pattern.conditions.SimpleCondition used on opensource projects

Example 51 with SimpleCondition

use of org.apache.flink.cep.pattern.conditions.SimpleCondition in project flink-mirror by flink-ci.

the class NFAITCase method testAtLeastOneEager.

@Test
public void testAtLeastOneEager() 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);
    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));
    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().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");
        }
    });
    NFA<Event> nfa = compile(pattern, false);
    final List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
    comparePatterns(resultingPatterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(startEvent, middleEvent1, middleEvent2, middleEvent3, end1), Lists.newArrayList(startEvent, middleEvent1, middleEvent2, end1), Lists.newArrayList(startEvent, middleEvent2, middleEvent3, end1), Lists.newArrayList(startEvent, middleEvent3, end1), Lists.newArrayList(startEvent, middleEvent2, end1), Lists.newArrayList(startEvent, middleEvent1, end1)));
}

Example 52 with SimpleCondition

use of org.apache.flink.cep.pattern.conditions.SimpleCondition in project flink-mirror by flink-ci.

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)));
}

Example 53 with SimpleCondition

use of org.apache.flink.cep.pattern.conditions.SimpleCondition in project flink-mirror by flink-ci.

the class NFAITCase method testBranchingPatternSkipTillNext.

// /////////////////////////////////////   Skip till next     /////////////////////////////
@Test
public void testBranchingPatternSkipTillNext() 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");
        }
    }).followedBy("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)));
}

Example 54 with SimpleCondition

use of org.apache.flink.cep.pattern.conditions.SimpleCondition in project flink-mirror by flink-ci.

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)));
}

Example 55 with SimpleCondition

use of org.apache.flink.cep.pattern.conditions.SimpleCondition in project flink-mirror by flink-ci.

the class NFAITCase method testAtLeastOneClearingBuffer.

@Test
public void testAtLeastOneClearingBuffer() 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 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");
        }
    }).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");
        }
    }).oneOrMore().allowCombinations().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.consumeRecord(new StreamRecord<>(startEvent, 1));
    nfaTestHarness.consumeRecord(new StreamRecord<>(middleEvent1, 3));
    nfaTestHarness.consumeRecord(new StreamRecord<>(middleEvent2, 4));
    nfaTestHarness.consumeRecord(new StreamRecord<>(end1, 6));
    // pruning element
    nfa.advanceTime(sharedBufferAccessor, nfaState, 10);
    assertEquals(1, nfaState.getPartialMatches().size());
    assertEquals("start", nfaState.getPartialMatches().peek().getCurrentStateName());
}