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

Example 26 with SimpleCondition

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

the class NotPatternITCase method testNotFollowedByBeforeOptionalAtTheEnd.

@Test
public void testNotFollowedByBeforeOptionalAtTheEnd() throws Exception {
    List<StreamRecord<Event>> inputEvents = new ArrayList<>();
    Event a1 = new Event(40, "a", 1.0);
    Event c1 = new Event(41, "c", 2.0);
    Event b1 = new Event(42, "b", 3.0);
    Event c2 = new Event(43, "c", 4.0);
    inputEvents.add(new StreamRecord<>(a1, 1));
    inputEvents.add(new StreamRecord<>(c1, 2));
    inputEvents.add(new StreamRecord<>(b1, 3));
    inputEvents.add(new StreamRecord<>(c2, 4));
    Pattern<Event, ?> pattern = Pattern.<Event>begin("start").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = -4289351792573443294L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("a");
        }
    }).notFollowedBy("notPattern").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = -4989574608417523507L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("b");
        }
    }).followedByAny("end").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = -5940131818629290579L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("c");
        }
    }).optional();
    NFA<Event> nfa = compile(pattern, false);
    final List<List<Event>> matches = feedNFA(inputEvents, nfa);
    comparePatterns(matches, Lists.<List<Event>>newArrayList(Lists.newArrayList(a1, c1), Lists.newArrayList(a1)));
}

Example 27 with SimpleCondition

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

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 28 with SimpleCondition

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

the class NFAITCase method testNextZeroOrMore.

@Test
public void testNextZeroOrMore() throws Exception {
    List<StreamRecord<Event>> inputEvents = new ArrayList<>();
    Event startEvent = new Event(40, "start", 1.0);
    Event middleEvent1 = new Event(40, "middle", 2.0);
    Event middleEvent2 = new Event(40, "middle", 3.0);
    Event middleEvent3 = new Event(40, "middle", 4.0);
    Event endEvent = new Event(46, "end", 1.0);
    inputEvents.add(new StreamRecord<>(startEvent, 1L));
    inputEvents.add(new StreamRecord<>(new Event(1, "event", 1.0), 2L));
    inputEvents.add(new StreamRecord<>(middleEvent1, 3L));
    inputEvents.add(new StreamRecord<>(middleEvent2, 4L));
    inputEvents.add(new StreamRecord<>(middleEvent3, 5L));
    inputEvents.add(new StreamRecord<>(endEvent, 6L));
    Pattern<Event, ?> pattern = Pattern.<Event>begin("start").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 6215754202506583964L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("start");
        }
    }).next("middle").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 6215754202506583964L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("middle");
        }
    }).oneOrMore().optional().consecutive().followedBy("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>> resultingPatterns = feedNFA(inputEvents, nfa);
    comparePatterns(resultingPatterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(startEvent, endEvent)));
}

Example 29 with SimpleCondition

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

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)));
}

Example 30 with SimpleCondition

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

the class NFAITCase method testEndWithOneOrMore.

@Test
public void testEndWithOneOrMore() 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);
    inputEvents.add(new StreamRecord<>(startEvent, 1));
    inputEvents.add(new StreamRecord<>(middleEvent1, 3));
    inputEvents.add(new StreamRecord<>(middleEvent2, 4));
    inputEvents.add(new StreamRecord<>(middleEvent3, 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("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();
    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), Lists.newArrayList(startEvent, middleEvent1, middleEvent2), Lists.newArrayList(startEvent, middleEvent1)));
}