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

Example 86 with SimpleCondition

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

the class GroupITCase method testGroupFollowedByAnyTimesOptional.

@Test
public void testGroupFollowedByAnyTimesOptional() throws Exception {
    List<StreamRecord<Event>> inputEvents = new ArrayList<>();
    Event c = new Event(40, "c", 1.0);
    Event a1 = new Event(41, "a", 2.0);
    Event b1 = new Event(42, "b", 3.0);
    Event a2 = new Event(43, "a", 4.0);
    Event b2 = new Event(44, "b", 5.0);
    Event a3 = new Event(45, "a", 4.0);
    Event b3 = new Event(46, "b", 5.0);
    Event d = new Event(47, "d", 6.0);
    inputEvents.add(new StreamRecord<>(c, 1));
    inputEvents.add(new StreamRecord<>(a1, 2));
    inputEvents.add(new StreamRecord<>(b1, 3));
    inputEvents.add(new StreamRecord<>(a2, 4));
    inputEvents.add(new StreamRecord<>(b2, 5));
    inputEvents.add(new StreamRecord<>(a3, 6));
    inputEvents.add(new StreamRecord<>(b3, 7));
    inputEvents.add(new StreamRecord<>(d, 8));
    // c any (a b){2}? d
    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(Pattern.<Event>begin("middle1").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 5726188262756267490L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("a");
        }
    }).followedBy("middle2").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 5726188262756267490L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("b");
        }
    })).times(2).optional().followedBy("end").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 5726188262756267490L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("d");
        }
    });
    NFA<Event> nfa = compile(pattern, false);
    final List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
    comparePatterns(resultingPatterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(c, d), Lists.newArrayList(c, a1, b1, a2, b2, d), Lists.newArrayList(c, a2, b2, a3, b3, d)));
}

Example 87 with SimpleCondition

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

the class IterativeConditionsITCase method testIterativeWithABACPattern.

@Test
public void testIterativeWithABACPattern() throws Exception {
    List<StreamRecord<Event>> inputEvents = new ArrayList<>();
    // 1
    inputEvents.add(new StreamRecord<>(startEvent1, 1L));
    // 1
    inputEvents.add(new StreamRecord<Event>(middleEvent1, 2L));
    // 2
    inputEvents.add(new StreamRecord<>(startEvent2, 2L));
    // 3
    inputEvents.add(new StreamRecord<>(startEvent3, 2L));
    // 2
    inputEvents.add(new StreamRecord<Event>(middleEvent2, 2L));
    // 4
    inputEvents.add(new StreamRecord<>(startEvent4, 2L));
    // 3
    inputEvents.add(new StreamRecord<Event>(middleEvent3, 2L));
    // 1
    inputEvents.add(new StreamRecord<Event>(middleEvent4, 2L));
    inputEvents.add(new StreamRecord<>(endEvent, 4L));
    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");
        }
    }).followedByAny("middle1").subtype(SubEvent.class).where(new SimpleCondition<SubEvent>() {

        private static final long serialVersionUID = 2178338526904474690L;

        @Override
        public boolean filter(SubEvent value) throws Exception {
            return value.getName().startsWith("foo");
        }
    }).followedBy("middle2").where(new IterativeCondition<Event>() {

        private static final long serialVersionUID = -1223388426808292695L;

        @Override
        public boolean filter(Event value, Context<Event> ctx) throws Exception {
            if (!value.getName().equals("start")) {
                return false;
            }
            double sum = 0.0;
            for (Event e : ctx.getEventsForPattern("middle2")) {
                sum += e.getPrice();
            }
            sum += value.getPrice();
            return Double.compare(sum, 5.0) <= 0;
        }
    }).oneOrMore().followedBy("end").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 562590474115118323L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("end");
        }
    });
    NFA<Event> nfa = compile(pattern, false);
    List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
    comparePatterns(resultingPatterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(startEvent1, startEvent2, startEvent3, middleEvent1, endEvent), Lists.newArrayList(startEvent1, middleEvent1, startEvent2, endEvent), Lists.newArrayList(startEvent1, middleEvent2, startEvent4, endEvent), Lists.newArrayList(startEvent2, middleEvent2, startEvent4, endEvent), Lists.newArrayList(startEvent3, middleEvent2, startEvent4, endEvent)));
}

Example 88 with SimpleCondition

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

the class GreedyITCase method testEndWithZeroOrMoreGreedy.

@Test
public void testEndWithZeroOrMoreGreedy() throws Exception {
    List<StreamRecord<Event>> inputEvents = new ArrayList<>();
    Event c = new Event(40, "c", 1.0);
    Event a1 = new Event(41, "a", 2.0);
    Event a2 = new Event(42, "a", 2.0);
    Event a3 = new Event(43, "a", 2.0);
    inputEvents.add(new StreamRecord<>(c, 1));
    inputEvents.add(new StreamRecord<>(a1, 2));
    inputEvents.add(new StreamRecord<>(a2, 3));
    inputEvents.add(new StreamRecord<>(new Event(44, "dummy", 2.0), 4));
    inputEvents.add(new StreamRecord<>(a3, 5));
    // c a*
    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("end").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().greedy();
    NFA<Event> nfa = compile(pattern, false);
    final List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
    comparePatterns(resultingPatterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(c), Lists.newArrayList(c, a1), Lists.newArrayList(c, a1, a2), Lists.newArrayList(c, a1, a2, a3)));
}

Example 89 with SimpleCondition

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

the class GreedyITCase method testGreedyZeroOrMore.

@Test
public void testGreedyZeroOrMore() throws Exception {
    List<StreamRecord<Event>> inputEvents = new ArrayList<>();
    Event c = new Event(40, "c", 1.0);
    Event a1 = new Event(41, "a", 2.0);
    Event a2 = new Event(42, "a", 2.0);
    Event a3 = new Event(43, "a", 2.0);
    Event d = new Event(44, "d", 3.0);
    inputEvents.add(new StreamRecord<>(c, 1));
    inputEvents.add(new StreamRecord<>(a1, 2));
    inputEvents.add(new StreamRecord<>(a2, 3));
    inputEvents.add(new StreamRecord<>(a3, 4));
    inputEvents.add(new StreamRecord<>(d, 5));
    // c a* d
    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().optional().greedy().followedBy("end").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 5726188262756267490L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("d");
        }
    });
    NFA<Event> nfa = compile(pattern, false);
    final List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
    comparePatterns(resultingPatterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(c, a1, a2, a3, d)));
}

Example 90 with SimpleCondition

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

the class GreedyITCase method testGreedyZeroOrMoreBeforeGroupPattern.

@Test
public void testGreedyZeroOrMoreBeforeGroupPattern() throws Exception {
    List<StreamRecord<Event>> inputEvents = new ArrayList<>();
    Event c = new Event(40, "c", 1.0);
    Event a1 = new Event(40, "a", 1.0);
    Event a2 = new Event(40, "a", 1.0);
    Event a3 = new Event(40, "a", 1.0);
    Event d1 = new Event(40, "d", 1.0);
    Event e1 = new Event(40, "e", 1.0);
    Event d2 = new Event(40, "d", 1.0);
    Event e2 = new Event(40, "e", 1.0);
    Event f = new Event(44, "f", 3.0);
    inputEvents.add(new StreamRecord<>(c, 1));
    inputEvents.add(new StreamRecord<>(a1, 2));
    inputEvents.add(new StreamRecord<>(a2, 3));
    inputEvents.add(new StreamRecord<>(new Event(43, "dummy", 2.0), 4));
    inputEvents.add(new StreamRecord<>(a3, 5));
    inputEvents.add(new StreamRecord<>(d1, 6));
    inputEvents.add(new StreamRecord<>(e1, 7));
    inputEvents.add(new StreamRecord<>(d2, 8));
    inputEvents.add(new StreamRecord<>(e2, 9));
    inputEvents.add(new StreamRecord<>(f, 10));
    // c a* (d e){2} f
    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().optional().greedy().followedBy(Pattern.<Event>begin("middle1").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 5726188262756267490L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("d");
        }
    }).followedBy("middle2").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 5726188262756267490L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("e");
        }
    })).times(2).followedBy("end").where(new SimpleCondition<Event>() {

        private static final long serialVersionUID = 5726188262756267490L;

        @Override
        public boolean filter(Event value) throws Exception {
            return value.getName().equals("f");
        }
    });
    NFA<Event> nfa = compile(pattern, false);
    final List<List<Event>> resultingPatterns = feedNFA(inputEvents, nfa);
    comparePatterns(resultingPatterns, Lists.<List<Event>>newArrayList(Lists.newArrayList(c, a1, a2, a3, d1, e1, d2, e2, f)));
}