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Example 1 with SelectingDatabusCombinedConsumer

use of com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer in project databus by linkedin.

the class TestGenericDispatcher method testOneWindowHappyPath.

@Test(groups = { "small", "functional" })
public void testOneWindowHappyPath() {
    final Logger log = Logger.getLogger("TestGenericDispatcher.testOneWindowHappyPath");
    //log.setLevel(Level.DEBUG);
    log.info("start");
    int source1EventsNum = 2;
    int source2EventsNum = 2;
    Hashtable<Long, AtomicInteger> keyCounts = new Hashtable<Long, AtomicInteger>();
    Hashtable<Short, AtomicInteger> srcidCounts = new Hashtable<Short, AtomicInteger>();
    final TestGenericDispatcherEventBuffer eventsBuf = new TestGenericDispatcherEventBuffer(_generic100KBufferStaticConfig);
    eventsBuf.start(0);
    final StateVerifyingStreamConsumer svsConsumer = new StateVerifyingStreamConsumer(null);
    //svsConsumer.getLog().setLevel(Level.DEBUG);
    DatabusStreamConsumer mockConsumer = new EventCountingConsumer(svsConsumer, keyCounts, srcidCounts);
    SelectingDatabusCombinedConsumer sdccMockConsumer = new SelectingDatabusCombinedConsumer(mockConsumer);
    List<String> sources = new ArrayList<String>();
    Map<Long, IdNamePair> sourcesMap = new HashMap<Long, IdNamePair>();
    for (int i = 1; i <= 3; ++i) {
        IdNamePair sourcePair = new IdNamePair((long) i, "source" + i);
        sources.add(sourcePair.getName());
        sourcesMap.put(sourcePair.getId(), sourcePair);
    }
    DatabusV2ConsumerRegistration consumerReg = new DatabusV2ConsumerRegistration(sdccMockConsumer, sources, null);
    List<DatabusV2ConsumerRegistration> allRegistrations = Arrays.asList(consumerReg);
    MultiConsumerCallback callback = new MultiConsumerCallback(allRegistrations, Executors.newSingleThreadExecutor(), 1000, new StreamConsumerCallbackFactory(null, null), null, null, null, null);
    callback.setSourceMap(sourcesMap);
    List<DatabusSubscription> subs = DatabusSubscription.createSubscriptionList(sources);
    RelayDispatcher dispatcher = new RelayDispatcher("dispatcher", _genericRelayConnStaticConfig, subs, new InMemoryPersistenceProvider(), eventsBuf, callback, null, null, null, null, null);
    dispatcher.setSchemaIdCheck(false);
    Thread dispatcherThread = new Thread(dispatcher, "testOneWindowHappyPath-dispatcher");
    //dispatcherThread.setDaemon(true);
    dispatcherThread.start();
    HashMap<Long, List<RegisterResponseEntry>> schemaMap = new HashMap<Long, List<RegisterResponseEntry>>();
    List<RegisterResponseEntry> l1 = new ArrayList<RegisterResponseEntry>();
    List<RegisterResponseEntry> l2 = new ArrayList<RegisterResponseEntry>();
    List<RegisterResponseEntry> l3 = new ArrayList<RegisterResponseEntry>();
    l1.add(new RegisterResponseEntry(1L, (short) 1, SOURCE1_SCHEMA_STR));
    l2.add(new RegisterResponseEntry(2L, (short) 1, SOURCE2_SCHEMA_STR));
    l3.add(new RegisterResponseEntry(3L, (short) 1, SOURCE3_SCHEMA_STR));
    schemaMap.put(1L, l1);
    schemaMap.put(2L, l2);
    schemaMap.put(3L, l3);
    dispatcher.enqueueMessage(SourcesMessage.createSetSourcesIdsMessage(sourcesMap.values()));
    dispatcher.enqueueMessage(SourcesMessage.createSetSourcesSchemasMessage(schemaMap));
    eventsBuf.startEvents();
    initBufferWithEvents(eventsBuf, 1, source1EventsNum, (short) 1, keyCounts, srcidCounts);
    initBufferWithEvents(eventsBuf, 1 + source1EventsNum, source2EventsNum, (short) 2, keyCounts, srcidCounts);
    eventsBuf.endEvents(100L, null);
    try {
        Thread.sleep(2000);
    } catch (InterruptedException ie) {
    }
    dispatcher.shutdown();
    Checkpoint cp = dispatcher.getDispatcherState().getLastSuccessfulCheckpoint();
    Assert.assertEquals(Checkpoint.FULLY_CONSUMED_WINDOW_OFFSET, cp.getWindowOffset());
    Assert.assertEquals(cp.getWindowScn(), cp.getPrevScn());
    for (long i = 1; i <= source1EventsNum + source2EventsNum; ++i) {
        assertEquals("correct amount of callbacks for key " + i, 1, keyCounts.get(i).intValue());
    }
    assertEquals("correct amount of callbacks for srcid 1", source1EventsNum, srcidCounts.get((short) 1).intValue());
    assertEquals("correct amount of callbacks for srcid 2", source2EventsNum, srcidCounts.get((short) 2).intValue());
    verifyNoLocks(log, eventsBuf);
    log.info("end\n");
}
Also used : DatabusV2ConsumerRegistration(com.linkedin.databus.client.consumer.DatabusV2ConsumerRegistration) HashMap(java.util.HashMap) ArrayList(java.util.ArrayList) Logger(org.apache.log4j.Logger) IdNamePair(com.linkedin.databus.core.util.IdNamePair) List(java.util.List) ArrayList(java.util.ArrayList) StreamConsumerCallbackFactory(com.linkedin.databus.client.consumer.StreamConsumerCallbackFactory) AbstractDatabusStreamConsumer(com.linkedin.databus.client.consumer.AbstractDatabusStreamConsumer) DatabusStreamConsumer(com.linkedin.databus.client.pub.DatabusStreamConsumer) Hashtable(java.util.Hashtable) MultiConsumerCallback(com.linkedin.databus.client.consumer.MultiConsumerCallback) DatabusSubscription(com.linkedin.databus.core.data_model.DatabusSubscription) Checkpoint(com.linkedin.databus.core.Checkpoint) UncaughtExceptionTrackingThread(com.linkedin.databus.core.util.UncaughtExceptionTrackingThread) Checkpoint(com.linkedin.databus.core.Checkpoint) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) SelectingDatabusCombinedConsumer(com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer) RegisterResponseEntry(com.linkedin.databus2.core.container.request.RegisterResponseEntry) Test(org.testng.annotations.Test)

Example 2 with SelectingDatabusCombinedConsumer

use of com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer in project databus by linkedin.

the class TestGenericDispatcher method testPartialWindowRollback.

@Test(groups = { "small", "functional" })
public /**
     * Tests the case where the dispatcher exits the main processing loop in {@link GenericDispatcher#doDispatchEvents()}
     * with a partial window and the flushing of the outstanding callbacks fails. We want to make sure that a rollback
     * is correctly triggered.
     *
     * The test simulates the following case: e1_1 e1_2 e1_3 <EOW> e2_1 e2_2 e2_3 <EOW> ... with a failure in the e2_2
     * callback.
     *
     * 1) Read full first window: e1_1 e1_2 e1_3 <EOW>
     * 2) Read partial second window: e2_1 e2_2
     * 3) The above should fail -- verify that rollback is called
     * 4) Read the rest
     */
void testPartialWindowRollback() throws Exception {
    final Logger log = Logger.getLogger("TestGenericDispatcher.testPartialWindowRollback");
    //log.setLevel(Level.INFO);
    log.info("start");
    final Level saveLevel = Logger.getLogger("com.linkedin.databus.client").getLevel();
    //Logger.getLogger("com.linkedin.databus.client").setLevel(Level.DEBUG);
    // generate events
    Vector<Short> srcIdList = new Vector<Short>();
    srcIdList.add((short) 1);
    DbusEventGenerator evGen = new DbusEventGenerator(0, srcIdList);
    Vector<DbusEvent> srcTestEvents = new Vector<DbusEvent>();
    final int numEvents = 9;
    //1-based number of the event callback to fail
    final int numOfFailureEvent = 5;
    final int numEventsPerWindow = 3;
    final int payloadSize = 200;
    final int numWindows = (int) Math.ceil(1.0 * numEvents / numEventsPerWindow);
    Assert.assertTrue(evGen.generateEvents(numEvents, numEventsPerWindow, 500, payloadSize, srcTestEvents) > 0);
    // find out how much data we need to stream for the failure
    // account for the EOW event which is < payload size
    int win1Size = payloadSize - 1;
    int win2Size = 0;
    int eventN = 0;
    for (DbusEvent e : srcTestEvents) {
        eventN++;
        if (eventN <= numEventsPerWindow) {
            win1Size += e.size();
        } else if (eventN <= numOfFailureEvent) {
            win2Size += e.size();
        }
    }
    //serialize the events to a buffer so they can be sent to the client
    final TestGenericDispatcherEventBuffer srcEventsBuf = new TestGenericDispatcherEventBuffer(_generic100KBufferStaticConfig);
    DbusEventAppender eventProducer = new DbusEventAppender(srcTestEvents, srcEventsBuf, null, true);
    Thread tEmitter = new Thread(eventProducer);
    tEmitter.start();
    //Create destination (client) buffer
    final TestGenericDispatcherEventBuffer destEventsBuf = new TestGenericDispatcherEventBuffer(_generic100KBufferStaticConfig);
    //Create dispatcher
    final TimeoutTestConsumer mockConsumer = new TimeoutTestConsumer(100, 10, 0, numOfFailureEvent, 0, 1);
    SelectingDatabusCombinedConsumer sdccMockConsumer = new SelectingDatabusCombinedConsumer((DatabusStreamConsumer) mockConsumer);
    List<String> sources = new ArrayList<String>();
    Map<Long, IdNamePair> sourcesMap = new HashMap<Long, IdNamePair>();
    for (int i = 1; i <= 3; ++i) {
        IdNamePair sourcePair = new IdNamePair((long) i, "source" + i);
        sources.add(sourcePair.getName());
        sourcesMap.put(sourcePair.getId(), sourcePair);
    }
    DatabusV2ConsumerRegistration consumerReg = new DatabusV2ConsumerRegistration(sdccMockConsumer, sources, null);
    List<DatabusV2ConsumerRegistration> allRegistrations = Arrays.asList(consumerReg);
    final ConsumerCallbackStats callbackStats = new ConsumerCallbackStats(0, "test", "test", true, false, null);
    final UnifiedClientStats unifiedStats = new UnifiedClientStats(0, "test", "test.unified");
    MultiConsumerCallback callback = new MultiConsumerCallback(allRegistrations, Executors.newFixedThreadPool(2), 1000, new StreamConsumerCallbackFactory(callbackStats, unifiedStats), callbackStats, unifiedStats, null, null);
    callback.setSourceMap(sourcesMap);
    List<DatabusSubscription> subs = DatabusSubscription.createSubscriptionList(sources);
    final RelayDispatcher dispatcher = new RelayDispatcher("dispatcher", _genericRelayConnStaticConfig, subs, new InMemoryPersistenceProvider(), destEventsBuf, callback, null, null, null, null, null);
    dispatcher.setSchemaIdCheck(false);
    Thread dispatcherThread = new Thread(dispatcher);
    dispatcherThread.setDaemon(true);
    log.info("starting dispatcher thread");
    dispatcherThread.start();
    HashMap<Long, List<RegisterResponseEntry>> schemaMap = new HashMap<Long, List<RegisterResponseEntry>>();
    List<RegisterResponseEntry> l1 = new ArrayList<RegisterResponseEntry>();
    List<RegisterResponseEntry> l2 = new ArrayList<RegisterResponseEntry>();
    List<RegisterResponseEntry> l3 = new ArrayList<RegisterResponseEntry>();
    l1.add(new RegisterResponseEntry(1L, (short) 1, SOURCE1_SCHEMA_STR));
    l2.add(new RegisterResponseEntry(2L, (short) 1, SOURCE2_SCHEMA_STR));
    l3.add(new RegisterResponseEntry(3L, (short) 1, SOURCE3_SCHEMA_STR));
    schemaMap.put(1L, l1);
    schemaMap.put(2L, l2);
    schemaMap.put(3L, l3);
    dispatcher.enqueueMessage(SourcesMessage.createSetSourcesIdsMessage(sourcesMap.values()));
    dispatcher.enqueueMessage(SourcesMessage.createSetSourcesSchemasMessage(schemaMap));
    log.info("starting event dispatch");
    //stream the events from the source buffer without the EOW
    //comm channels between reader and writer
    Pipe pipe = Pipe.open();
    Pipe.SinkChannel writerStream = pipe.sink();
    Pipe.SourceChannel readerStream = pipe.source();
    writerStream.configureBlocking(true);
    readerStream.configureBlocking(false);
    //Event writer - Relay in the real world
    Checkpoint cp = Checkpoint.createFlexibleCheckpoint();
    //Event readers - Clients in the real world
    //Checkpoint pullerCheckpoint = Checkpoint.createFlexibleCheckpoint();
    DbusEventsStatisticsCollector clientStats = new DbusEventsStatisticsCollector(0, "client", true, false, null);
    DbusEventBufferReader reader = new DbusEventBufferReader(destEventsBuf, readerStream, null, clientStats);
    UncaughtExceptionTrackingThread tReader = new UncaughtExceptionTrackingThread(reader, "Reader");
    tReader.setDaemon(true);
    tReader.start();
    try {
        log.info("send first window -- that one should be OK");
        StreamEventsResult streamRes = srcEventsBuf.streamEvents(cp, writerStream, new StreamEventsArgs(win1Size));
        Assert.assertEquals(numEventsPerWindow + 1, streamRes.getNumEventsStreamed());
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return 1 == callbackStats.getNumSysEventsProcessed();
            }
        }, "first window processed", 5000, log);
        log.info("send the second partial window -- that one should cause an error");
        streamRes = srcEventsBuf.streamEvents(cp, writerStream, new StreamEventsArgs(win2Size));
        Assert.assertEquals(numOfFailureEvent - numEventsPerWindow, streamRes.getNumEventsStreamed());
        log.info("wait for dispatcher to finish");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.info("events received: " + callbackStats.getNumDataEventsReceived());
                return numOfFailureEvent <= callbackStats.getNumDataEventsProcessed();
            }
        }, "all events until the error processed", 5000, log);
        log.info("all data events have been received but no EOW");
        Assert.assertEquals(numOfFailureEvent, clientStats.getTotalStats().getNumDataEvents());
        Assert.assertEquals(1, clientStats.getTotalStats().getNumSysEvents());
        //at least one failing event therefore < numOfFailureEvent events can be processed
        Assert.assertTrue(numOfFailureEvent <= callbackStats.getNumDataEventsProcessed());
        //onDataEvent callbacks for e2_1 and e2_2 get cancelled
        Assert.assertEquals(2, callbackStats.getNumDataErrorsProcessed());
        //only one EOW
        Assert.assertEquals(1, callbackStats.getNumSysEventsProcessed());
        log.info("Send the remainder of the window");
        streamRes = srcEventsBuf.streamEvents(cp, writerStream, new StreamEventsArgs(100000));
        //remaining events + EOWs
        Assert.assertEquals(srcTestEvents.size() + numWindows - (numOfFailureEvent + 1), streamRes.getNumEventsStreamed());
        log.info("wait for the rollback");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                return 1 == mockConsumer.getNumRollbacks();
            }
        }, "rollback seen", 5000, log);
        log.info("wait for dispatcher to finish after the rollback");
        TestUtil.assertWithBackoff(new ConditionCheck() {

            @Override
            public boolean check() {
                log.info("num windows processed: " + callbackStats.getNumSysEventsProcessed());
                return numWindows == callbackStats.getNumSysEventsProcessed();
            }
        }, "all events processed", 5000, log);
    } finally {
        reader.stop();
        dispatcher.shutdown();
        log.info("all events processed");
        verifyNoLocks(null, srcEventsBuf);
        verifyNoLocks(null, destEventsBuf);
    }
    Logger.getLogger("com.linkedin.databus.client").setLevel(saveLevel);
    log.info("end\n");
}
Also used : DbusEventAppender(com.linkedin.databus.core.test.DbusEventAppender) DatabusV2ConsumerRegistration(com.linkedin.databus.client.consumer.DatabusV2ConsumerRegistration) UncaughtExceptionTrackingThread(com.linkedin.databus.core.util.UncaughtExceptionTrackingThread) HashMap(java.util.HashMap) ArrayList(java.util.ArrayList) DbusEventsStatisticsCollector(com.linkedin.databus.core.monitoring.mbean.DbusEventsStatisticsCollector) StreamEventsArgs(com.linkedin.databus.core.StreamEventsArgs) Logger(org.apache.log4j.Logger) IdNamePair(com.linkedin.databus.core.util.IdNamePair) List(java.util.List) ArrayList(java.util.ArrayList) Vector(java.util.Vector) DbusEventBufferReader(com.linkedin.databus.core.test.DbusEventBufferReader) ConditionCheck(com.linkedin.databus2.test.ConditionCheck) StreamConsumerCallbackFactory(com.linkedin.databus.client.consumer.StreamConsumerCallbackFactory) UnifiedClientStats(com.linkedin.databus.client.pub.mbean.UnifiedClientStats) DbusEvent(com.linkedin.databus.core.DbusEvent) StreamEventsResult(com.linkedin.databus.core.StreamEventsResult) ConsumerCallbackStats(com.linkedin.databus.client.pub.mbean.ConsumerCallbackStats) MultiConsumerCallback(com.linkedin.databus.client.consumer.MultiConsumerCallback) DbusEventGenerator(com.linkedin.databus.core.test.DbusEventGenerator) Pipe(java.nio.channels.Pipe) DatabusSubscription(com.linkedin.databus.core.data_model.DatabusSubscription) Checkpoint(com.linkedin.databus.core.Checkpoint) UncaughtExceptionTrackingThread(com.linkedin.databus.core.util.UncaughtExceptionTrackingThread) Checkpoint(com.linkedin.databus.core.Checkpoint) SelectingDatabusCombinedConsumer(com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer) RegisterResponseEntry(com.linkedin.databus2.core.container.request.RegisterResponseEntry) Level(org.apache.log4j.Level) Test(org.testng.annotations.Test)

Example 3 with SelectingDatabusCombinedConsumer

use of com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer in project databus by linkedin.

the class TestGenericDispatcher method testMultiWindowsHappyPath.

@Test(groups = { "small", "functional" })
public void testMultiWindowsHappyPath() {
    final Logger log = Logger.getLogger("TestGenericDispatcher.testMultiWindowsHappyPath");
    //log.setLevel(Level.DEBUG);
    log.info("start");
    int source1EventsNum = 3;
    int source2EventsNum = 5;
    Hashtable<Long, AtomicInteger> keyCounts = new Hashtable<Long, AtomicInteger>();
    Hashtable<Short, AtomicInteger> srcidCounts = new Hashtable<Short, AtomicInteger>();
    int windowsNum = 3;
    final TestGenericDispatcherEventBuffer eventsBuf = new TestGenericDispatcherEventBuffer(_generic100KBufferStaticConfig);
    eventsBuf.start(0);
    int curEventNum = 1;
    for (int w = 0; w < windowsNum; ++w) {
        eventsBuf.startEvents();
        initBufferWithEvents(eventsBuf, curEventNum, source1EventsNum, (short) 1, keyCounts, srcidCounts);
        curEventNum += source1EventsNum;
        initBufferWithEvents(eventsBuf, curEventNum, source2EventsNum, (short) 2, keyCounts, srcidCounts);
        curEventNum += source2EventsNum;
        eventsBuf.endEvents(100L * (w + 1), null);
    }
    DatabusStreamConsumer mockConsumer = new EventCountingConsumer(new StateVerifyingStreamConsumer(null), keyCounts, srcidCounts);
    SelectingDatabusCombinedConsumer sdccMockConsumer = new SelectingDatabusCombinedConsumer(mockConsumer);
    List<String> sources = new ArrayList<String>();
    Map<Long, IdNamePair> sourcesMap = new HashMap<Long, IdNamePair>();
    for (int i = 1; i <= 3; ++i) {
        IdNamePair sourcePair = new IdNamePair((long) i, "source" + i);
        sources.add(sourcePair.getName());
        sourcesMap.put(sourcePair.getId(), sourcePair);
    }
    DatabusV2ConsumerRegistration consumerReg = new DatabusV2ConsumerRegistration(sdccMockConsumer, sources, null);
    List<DatabusV2ConsumerRegistration> allRegistrations = Arrays.asList(consumerReg);
    MultiConsumerCallback callback = new MultiConsumerCallback(allRegistrations, Executors.newSingleThreadExecutor(), 1000, new StreamConsumerCallbackFactory(null, null), null, null, null, null);
    callback.setSourceMap(sourcesMap);
    List<DatabusSubscription> subs = DatabusSubscription.createSubscriptionList(sources);
    RelayDispatcher dispatcher = new RelayDispatcher("dispatcher", _genericRelayConnStaticConfig, subs, new InMemoryPersistenceProvider(), eventsBuf, callback, null, null, null, null, null);
    Thread dispatcherThread = new Thread(dispatcher);
    //dispatcherThread.setDaemon(true);
    dispatcherThread.start();
    HashMap<Long, List<RegisterResponseEntry>> schemaMap = new HashMap<Long, List<RegisterResponseEntry>>();
    List<RegisterResponseEntry> l1 = new ArrayList<RegisterResponseEntry>();
    List<RegisterResponseEntry> l2 = new ArrayList<RegisterResponseEntry>();
    List<RegisterResponseEntry> l3 = new ArrayList<RegisterResponseEntry>();
    l1.add(new RegisterResponseEntry(1L, (short) 1, SOURCE1_SCHEMA_STR));
    l2.add(new RegisterResponseEntry(2L, (short) 1, SOURCE2_SCHEMA_STR));
    l3.add(new RegisterResponseEntry(3L, (short) 1, SOURCE3_SCHEMA_STR));
    schemaMap.put(1L, l1);
    schemaMap.put(2L, l2);
    schemaMap.put(3L, l3);
    dispatcher.enqueueMessage(SourcesMessage.createSetSourcesIdsMessage(sourcesMap.values()));
    dispatcher.enqueueMessage(SourcesMessage.createSetSourcesSchemasMessage(schemaMap));
    try {
        Thread.sleep(2000);
    } catch (InterruptedException ie) {
    }
    dispatcher.shutdown();
    for (long i = 1; i < curEventNum; ++i) {
        assertEquals("correct amount of callbacks for key " + i, 1, keyCounts.get(i).intValue());
    }
    assertEquals("correct amount of callbacks for srcid 1", windowsNum * source1EventsNum, srcidCounts.get((short) 1).intValue());
    assertEquals("correct amount of callbacks for srcid 2", windowsNum * source2EventsNum, srcidCounts.get((short) 2).intValue());
    verifyNoLocks(null, eventsBuf);
    log.info("end\n");
}
Also used : DatabusV2ConsumerRegistration(com.linkedin.databus.client.consumer.DatabusV2ConsumerRegistration) HashMap(java.util.HashMap) ArrayList(java.util.ArrayList) Logger(org.apache.log4j.Logger) IdNamePair(com.linkedin.databus.core.util.IdNamePair) List(java.util.List) ArrayList(java.util.ArrayList) StreamConsumerCallbackFactory(com.linkedin.databus.client.consumer.StreamConsumerCallbackFactory) AbstractDatabusStreamConsumer(com.linkedin.databus.client.consumer.AbstractDatabusStreamConsumer) DatabusStreamConsumer(com.linkedin.databus.client.pub.DatabusStreamConsumer) Hashtable(java.util.Hashtable) MultiConsumerCallback(com.linkedin.databus.client.consumer.MultiConsumerCallback) DatabusSubscription(com.linkedin.databus.core.data_model.DatabusSubscription) Checkpoint(com.linkedin.databus.core.Checkpoint) UncaughtExceptionTrackingThread(com.linkedin.databus.core.util.UncaughtExceptionTrackingThread) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) SelectingDatabusCombinedConsumer(com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer) RegisterResponseEntry(com.linkedin.databus2.core.container.request.RegisterResponseEntry) Test(org.testng.annotations.Test)

Example 4 with SelectingDatabusCombinedConsumer

use of com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer in project databus by linkedin.

the class TestGenericDispatcher method testMetadataSchema.

@Test
public void testMetadataSchema() {
    final Logger log = Logger.getLogger("TestGenericDispatcher.testMetadataSchema");
    //log.setLevel(Level.DEBUG);
    log.info("start");
    int source1EventsNum = 2;
    int source2EventsNum = 2;
    Hashtable<Long, AtomicInteger> keyCounts = new Hashtable<Long, AtomicInteger>();
    Hashtable<Short, AtomicInteger> srcidCounts = new Hashtable<Short, AtomicInteger>();
    final TestGenericDispatcherEventBuffer eventsBuf = new TestGenericDispatcherEventBuffer(_generic100KBufferStaticConfig);
    eventsBuf.start(0);
    final StateVerifyingStreamConsumer svsConsumer = new StateVerifyingStreamConsumer(null);
    //svsConsumer.getLog().setLevel(Level.DEBUG);
    DatabusStreamConsumer mockConsumer = new EventCountingConsumer(svsConsumer, keyCounts, srcidCounts);
    SelectingDatabusCombinedConsumer sdccMockConsumer = new SelectingDatabusCombinedConsumer(mockConsumer);
    List<String> sources = new ArrayList<String>();
    Map<Long, IdNamePair> sourcesMap = new HashMap<Long, IdNamePair>();
    for (int i = 1; i <= 3; ++i) {
        IdNamePair sourcePair = new IdNamePair((long) i, "source" + i);
        sources.add(sourcePair.getName());
        sourcesMap.put(sourcePair.getId(), sourcePair);
    }
    DatabusV2ConsumerRegistration consumerReg = new DatabusV2ConsumerRegistration(sdccMockConsumer, sources, null);
    List<DatabusV2ConsumerRegistration> allRegistrations = Arrays.asList(consumerReg);
    MultiConsumerCallback callback = new MultiConsumerCallback(allRegistrations, Executors.newSingleThreadExecutor(), 1000, new StreamConsumerCallbackFactory(null, null), null, null, null, null);
    callback.setSourceMap(sourcesMap);
    List<DatabusSubscription> subs = DatabusSubscription.createSubscriptionList(sources);
    RelayDispatcher dispatcher = new RelayDispatcher("dispatcher", _genericRelayConnStaticConfig, subs, new InMemoryPersistenceProvider(), eventsBuf, callback, null, null, null, null, null);
    Thread dispatcherThread = new Thread(dispatcher, "testMetadataSchema-dispatcher");
    //dispatcherThread.setDaemon(true);
    dispatcherThread.start();
    HashMap<Long, List<RegisterResponseEntry>> schemaMap = new HashMap<Long, List<RegisterResponseEntry>>();
    List<RegisterResponseEntry> l1 = new ArrayList<RegisterResponseEntry>();
    List<RegisterResponseEntry> l2 = new ArrayList<RegisterResponseEntry>();
    List<RegisterResponseEntry> l3 = new ArrayList<RegisterResponseEntry>();
    l1.add(new RegisterResponseEntry(1L, (short) 1, SOURCE1_SCHEMA_STR));
    l2.add(new RegisterResponseEntry(2L, (short) 1, SOURCE2_SCHEMA_STR));
    l3.add(new RegisterResponseEntry(3L, (short) 1, SOURCE3_SCHEMA_STR));
    schemaMap.put(1L, l1);
    schemaMap.put(2L, l2);
    schemaMap.put(3L, l3);
    //add meta data schema
    byte[] crc32 = { 0x01, 0x02, 0x03, 0x04 };
    List<RegisterResponseMetadataEntry> lMeta = new ArrayList<RegisterResponseMetadataEntry>();
    lMeta.add(new RegisterResponseMetadataEntry((short) 1, META1_SCHEMA_STR, crc32));
    lMeta.add(new RegisterResponseMetadataEntry((short) 2, META2_SCHEMA_STR, crc32));
    dispatcher.enqueueMessage(SourcesMessage.createSetSourcesIdsMessage(sourcesMap.values()));
    dispatcher.enqueueMessage(SourcesMessage.createSetSourcesSchemasMessage(schemaMap, lMeta));
    eventsBuf.startEvents();
    initBufferWithEvents(eventsBuf, 1, source1EventsNum, (short) 1, keyCounts, srcidCounts);
    initBufferWithEvents(eventsBuf, 1 + source1EventsNum, source2EventsNum, (short) 2, keyCounts, srcidCounts);
    eventsBuf.endEvents(100L, null);
    //check standard execution of callbacks
    try {
        Thread.sleep(2000);
    } catch (InterruptedException ie) {
    }
    dispatcher.shutdown();
    for (long i = 1; i <= source1EventsNum + source2EventsNum; ++i) {
        assertEquals("correct amount of callbacks for key " + i, 1, keyCounts.get(i).intValue());
    }
    assertEquals("incorrect amount of callbacks for srcid 1", source1EventsNum, srcidCounts.get((short) 1).intValue());
    assertEquals("incorrect amount of callbacks for srcid 2", source2EventsNum, srcidCounts.get((short) 2).intValue());
    //check metadata schemas
    EventCountingConsumer myCons = (EventCountingConsumer) mockConsumer;
    VersionedSchema metadataSchema = myCons.getMetadataSchema();
    Assert.assertTrue(null != metadataSchema);
    log.info("Metadata VersionedSchema = " + metadataSchema);
    Assert.assertEquals(metadataSchema.getVersion(), 2);
    Assert.assertEquals(metadataSchema.getSchemaBaseName(), SchemaRegistryService.DEFAULT_METADATA_SCHEMA_SOURCE);
    verifyNoLocks(log, eventsBuf);
    log.info("end\n");
}
Also used : DatabusV2ConsumerRegistration(com.linkedin.databus.client.consumer.DatabusV2ConsumerRegistration) HashMap(java.util.HashMap) ArrayList(java.util.ArrayList) Logger(org.apache.log4j.Logger) IdNamePair(com.linkedin.databus.core.util.IdNamePair) List(java.util.List) ArrayList(java.util.ArrayList) StreamConsumerCallbackFactory(com.linkedin.databus.client.consumer.StreamConsumerCallbackFactory) AbstractDatabusStreamConsumer(com.linkedin.databus.client.consumer.AbstractDatabusStreamConsumer) DatabusStreamConsumer(com.linkedin.databus.client.pub.DatabusStreamConsumer) Hashtable(java.util.Hashtable) MultiConsumerCallback(com.linkedin.databus.client.consumer.MultiConsumerCallback) DatabusSubscription(com.linkedin.databus.core.data_model.DatabusSubscription) VersionedSchema(com.linkedin.databus2.schemas.VersionedSchema) Checkpoint(com.linkedin.databus.core.Checkpoint) UncaughtExceptionTrackingThread(com.linkedin.databus.core.util.UncaughtExceptionTrackingThread) RegisterResponseMetadataEntry(com.linkedin.databus2.core.container.request.RegisterResponseMetadataEntry) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) SelectingDatabusCombinedConsumer(com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer) RegisterResponseEntry(com.linkedin.databus2.core.container.request.RegisterResponseEntry) Test(org.testng.annotations.Test)

Example 5 with SelectingDatabusCombinedConsumer

use of com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer in project databus by linkedin.

the class DatabusHttpClientImpl method registerDatabusBootstrapListener.

/**
   *
   * @param listeners
   * @param sources
   * @param filter
   * @throws DatabusClientException
   */
public synchronized void registerDatabusBootstrapListener(DatabusBootstrapConsumer[] listeners, List<String> sources, DbusKeyCompositeFilterConfig filter) throws DatabusClientException {
    List<DatabusBootstrapConsumer> listenersList = Arrays.asList(listeners);
    List<SelectingDatabusCombinedConsumer> sdccListenersList = SelectingDatabusCombinedConsumerFactory.convertListOfBootstrapConsumers(listenersList);
    List<DatabusCombinedConsumer> dccListenersList = new ArrayList<DatabusCombinedConsumer>();
    for (SelectingDatabusCombinedConsumer sdcc : sdccListenersList) {
        dccListenersList.add(sdcc);
    }
    DatabusV2ConsumerRegistration consumerReg = new DatabusV2ConsumerRegistration(dccListenersList, sources, filter);
    registerDatabusListener(consumerReg, _relayGroups, getRelayGroupBootstrapConsumers(), DatabusSubscription.createSubscriptionList(sources));
}
Also used : DatabusV2ConsumerRegistration(com.linkedin.databus.client.consumer.DatabusV2ConsumerRegistration) SelectingDatabusCombinedConsumer(com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer) CopyOnWriteArrayList(java.util.concurrent.CopyOnWriteArrayList) ArrayList(java.util.ArrayList) DatabusBootstrapConsumer(com.linkedin.databus.client.pub.DatabusBootstrapConsumer) SelectingDatabusCombinedConsumer(com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer) DatabusCombinedConsumer(com.linkedin.databus.client.pub.DatabusCombinedConsumer)

Aggregations

DatabusV2ConsumerRegistration (com.linkedin.databus.client.consumer.DatabusV2ConsumerRegistration)12 SelectingDatabusCombinedConsumer (com.linkedin.databus.client.consumer.SelectingDatabusCombinedConsumer)12 ArrayList (java.util.ArrayList)12 MultiConsumerCallback (com.linkedin.databus.client.consumer.MultiConsumerCallback)10 StreamConsumerCallbackFactory (com.linkedin.databus.client.consumer.StreamConsumerCallbackFactory)10 Checkpoint (com.linkedin.databus.core.Checkpoint)10 DatabusSubscription (com.linkedin.databus.core.data_model.DatabusSubscription)10 IdNamePair (com.linkedin.databus.core.util.IdNamePair)10 UncaughtExceptionTrackingThread (com.linkedin.databus.core.util.UncaughtExceptionTrackingThread)10 RegisterResponseEntry (com.linkedin.databus2.core.container.request.RegisterResponseEntry)10 HashMap (java.util.HashMap)10 List (java.util.List)10 Logger (org.apache.log4j.Logger)10 Test (org.testng.annotations.Test)10 DatabusStreamConsumer (com.linkedin.databus.client.pub.DatabusStreamConsumer)9 AbstractDatabusStreamConsumer (com.linkedin.databus.client.consumer.AbstractDatabusStreamConsumer)8 Hashtable (java.util.Hashtable)7 AtomicInteger (java.util.concurrent.atomic.AtomicInteger)7 DatabusCombinedConsumer (com.linkedin.databus.client.pub.DatabusCombinedConsumer)4 DbusEvent (com.linkedin.databus.core.DbusEvent)3