Package org.apache.s4.dispatcher.partitioner

Examples of org.apache.s4.dispatcher.partitioner.KeyInfo

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                compoundKeyInfo.setCompoundKey(plainCompoundKeyInfo.get("compoundKey",
                                                                        (String) null));
                compoundKeys.add(compoundKeyInfo);
                for (EventRecord plainKeyInfo : plainCompoundKeyInfo.get("keyInfoList",
                                                                         EMPTY_LIST)) {
                    KeyInfo keyInfo = new KeyInfo();
                    for (EventRecord plainKeyPathElement : plainKeyInfo.get("keyPathElementList",
                                                                            EMPTY_LIST)) {
                        String keyName = plainKeyPathElement.get("keyName",
                                                                 (String) null);
                        Integer index = plainKeyPathElement.get("index",
                                                                (Integer) null);

                        if (keyName != null) {
                            keyInfo.addElementToPath(keyName);
                        } else if (index != null) {
                            keyInfo.addElementToPath(index);
                        }
                    }
                    compoundKeyInfo.addKeyInfo(keyInfo);
                }
            }
        }
        if (debug) {
            for (CompoundKeyInfo compoundKeyInfo : compoundKeys) {
                System.out.println("CompoundKey: "
                        + compoundKeyInfo.getCompoundValue());
                for (KeyInfo keyInfo : compoundKeyInfo.getKeyInfoList()) {
                    String keyPath = "";
                    for (KeyPathElement keyPathElement : keyInfo.getKeyPath()) {
                        if (keyPathElement instanceof KeyPathElementIndex) {
                            keyPath += "["
                                    + ((KeyPathElementIndex) keyPathElement).getIndex()
                                    + "]";
                        } else {
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        List<String> valueList = this.getTarget();
        if (valueList == null)
            return null;

        // First, build the key
        KeyInfo keyInfo = new KeyInfo();
        // special kay name to denote request
        keyInfo.addElementToPath("#req");

        // for value, concatenate list of values from Request's target field.
        String stringValue = StringUtils.collectionToDelimitedString(valueList,
                                                                     delim);
        keyInfo.setValue(stringValue);

        // partition id is derived form string value, as usual
        int partitionId = (int) (h.hash(stringValue) % partCount);

        CompoundKeyInfo partitionInfo = new CompoundKeyInfo();
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        String results = new String(zk.getData("/results", false, null));
        Assert.assertEquals("be=2;da=2;doobie=5;not=1;or=1;to=2;", results);
    }

    public void injectSentence(String sentence) throws IOException {
        Event event = new Event();
        event.put("sentence", String.class, sentence);
        emitter.send(0, new EventMessage("-1", "inputStream", injector.getInstance(SerializerDeserializer.class)
                .serialize(event)));
    }
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        TestApp app = injector.getInstance(TestApp.class);
        app.count = 2; // One for the event, another for the timer
        app.init();
        app.start();

        app.testStream.receiveEvent(new EventMessage(APP_NAME, STREAM_NAME, app.getSerDeser().serialize(new Event())));

        /*
         * This must raise a timeout, since the onTime() event is blocked waiting for the onEvent() call to finish. If
         * it completes before the timeout, it means onEvent() and onTime() weren't synchronized
         */
 
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        TestTimeWindowedApp app = injector.getInstance(TestTimeWindowedApp.class);
        app.init();
        app.start();

        for (int i = 0; i < NB_EVENTS; i++) {
            Event e = new Event();
            e.put("value", Integer.class, i);
            app.stream1.receiveEvent(new EventMessage(APP_NAME, STREAM_NAME, app.getSerDeser().serialize(e)));
        }

        try {
            Assert.assertTrue(signalAllEventsProcessed.await(30, TimeUnit.SECONDS));
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        Injector injector = CoreTestUtils.createInjectorWithNonFailFastZKClients();

        TCPEmitter emitter = injector.getInstance(TCPEmitter.class);

        Event event = new Event();
        event.put("line", String.class, time1);
        emitter.send(0, new EventMessage("-1", "inputStream", injector.getInstance(SerializerDeserializer.class)
                .serialize(event)));

        // check event processed
        Assert.assertTrue(signalEvent1Processed.await(5, TimeUnit.SECONDS));
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        testCheckpointingConfiguration(S4AppWithCountBasedCheckpointing.class,
                CheckpointingModuleWithUnrespondingFetchingStorageBackend.class, false, "value1= ; value2=message2");
    }

    private void insertCheckpointInstruction(Injector injector, TCPEmitter emitter) {
        Event event;
        event = new Event();
        event.put("command", String.class, "checkpoint");
        emitter.send(0, new EventMessage("-1", "inputStream", injector.getInstance(SerializerDeserializer.class)
                .serialize(event)));
    }
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        Injector injector = CoreTestUtils.createInjectorWithNonFailFastZKClients();

        TCPEmitter emitter = injector.getInstance(TCPEmitter.class);

        Event event = new Event();
        event.put("command", String.class, "setValue1");
        event.put("value", String.class, "message1");
        emitter.send(0, new EventMessage("-1", "inputStream", injector.getInstance(SerializerDeserializer.class)
                .serialize(event)));

        if (manualCheckpointing) {
            insertCheckpointInstruction(injector, emitter);
        }

        Assert.assertTrue(signalCheckpointed.await(10, TimeUnit.SECONDS));

        forkedS4App.destroy();

        zk.delete("/data", -1);

        signalConsumerReady = getConsumerReadySignal("inputStream");
        forkedS4App = CoreTestUtils.forkS4Node(new String[] { "-c", "cluster1", "-appClass",
                S4AppWithManualCheckpointing.class.getName(), "-extraModulesClasses", backendModuleClass.getName() });

        Assert.assertTrue(signalConsumerReady.await(20, TimeUnit.SECONDS));
        // // trigger recovery by sending application event to set value 2
        CountDownLatch signalValue2Set = new CountDownLatch(1);
        CoreTestUtils.watchAndSignalCreation("/value2Set", signalValue2Set, zk);

        event = new Event();
        event.put("command", String.class, "setValue2");
        event.put("value", String.class, "message2");
        emitter.send(0, new EventMessage("-1", "inputStream", injector.getInstance(SerializerDeserializer.class)
                .serialize(event)));

        Assert.assertTrue(signalValue2Set.await(10, TimeUnit.SECONDS));
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        Assert.assertEquals("be=2;da=2;doobie=5;not=1;or=1;to=2;", results);

    }

    private void injectSentence(Injector injector, TCPEmitter emitter, String sentence) {
        Event event;
        event = new Event();
        event.put("sentence", String.class, sentence);
        emitter.send(0, new EventMessage("-1", "inputStream", injector.getInstance(SerializerDeserializer.class)
                .serialize(event)));
    }
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                new MockCoreModuleWithFileBaseCheckpointingBackend());
        TestApp app = injector.getInstance(TestApp.class);
        app.init();
        app.start();

        Event event = new Event();
        event.put("command", String.class, "setValue1");
        event.put("value", String.class, "message1");

        app.testStream.receiveEvent(new EventMessage("", "stream1", app.getSerDeser().serialize(event)));

        signalValue1Set.await();

        StatefulTestPE pe = (StatefulTestPE) app.getPE("statefulPE1").getInstanceForKey("X");

        Assert.assertEquals("message1", pe.getValue1());
        Assert.assertEquals("", pe.getValue2());

        // 3. generate a checkpoint event
        event = new Event();
        event.put("command", String.class, "checkpoint");
        app.testStream.receiveEvent(new EventMessage("", "stream1", app.getSerDeser().serialize(event)));
        Assert.assertTrue(signalCheckpointed.await(10, TimeUnit.SECONDS));

        // NOTE: the backend has asynchronous save operations
        Thread.sleep(1000);
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