Examples with SynchronizerClientFactory io.pravega.client.SynchronizerClientFactory used on opensource projects

Example 31 with SynchronizerClientFactory

use of io.pravega.client.SynchronizerClientFactory in project pravega by pravega.

the class ReaderGroupStateManagerTest method testAddReader.

@Test(timeout = 10000)
public void testAddReader() throws ReaderNotInReaderGroupException {
    String scope = "scope";
    String stream = "stream";
    PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    MockController controller = new MockController(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory, false);
    createScopeAndStream(scope, stream, controller);
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup SynchronizerClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
    Map<SegmentWithRange, Long> segments = new HashMap<>();
    SegmentWithRange segment = new SegmentWithRange(new Segment(scope, stream, 0), 0.0, 1.0);
    segments.put(segment, 1L);
    stateSynchronizer.initialize(new ReaderGroupState.ReaderGroupStateInit(ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments, Collections.emptyMap(), false));
    ReaderGroupStateManager readerState = new ReaderGroupStateManager(scope, stream, "testReader", stateSynchronizer, controller, null);
    readerState.initializeReader(0);
    Segment toRelease = readerState.findSegmentToReleaseIfRequired();
    assertNull(toRelease);
    Map<SegmentWithRange, Long> newSegments = readerState.acquireNewSegmentsIfNeeded(0, new PositionImpl(Collections.emptyMap()));
    assertFalse(newSegments.isEmpty());
    assertEquals(1, newSegments.size());
    assertTrue(newSegments.containsKey(segment));
    assertEquals(1, newSegments.get(segment).longValue());
}

Example 32 with SynchronizerClientFactory

use of io.pravega.client.SynchronizerClientFactory in project pravega by pravega.

the class ReaderGroupStateManagerTest method testReleaseAndAcquireTimes.

@Test(timeout = 5000)
public void testReleaseAndAcquireTimes() throws ReaderNotInReaderGroupException {
    String scope = "scope";
    String stream = "stream";
    PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    MockController controller = new MockController(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory, false);
    createScopeAndStream(scope, stream, controller);
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup SynchronizerClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> state = createState(stream, clientFactory, config);
    AtomicLong clock = new AtomicLong();
    Map<SegmentWithRange, Long> segments = new HashMap<>();
    segments.put(new SegmentWithRange(new Segment(scope, stream, 0), 0.0, 0.25), 0L);
    segments.put(new SegmentWithRange(new Segment(scope, stream, 1), 0.25, 0.5), 1L);
    segments.put(new SegmentWithRange(new Segment(scope, stream, 2), 0.5, 0.75), 2L);
    segments.put(new SegmentWithRange(new Segment(scope, stream, 3), 0.65, 1.0), 3L);
    state.initialize(new ReaderGroupState.ReaderGroupStateInit(ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments, Collections.emptyMap(), false));
    ReaderGroupStateManager reader1 = new ReaderGroupStateManager(scope, stream, "reader1", state, controller, clock::get);
    reader1.initializeReader(100);
    ReaderGroupStateManager reader2 = new ReaderGroupStateManager(scope, stream, "reader2", state, controller, clock::get);
    reader2.initializeReader(100);
    Map<SegmentWithRange, Long> newSegments = reader1.acquireNewSegmentsIfNeeded(123, new PositionImpl(Collections.emptyMap()));
    assertEquals(0, newSegments.size());
    newSegments = reader2.acquireNewSegmentsIfNeeded(123, new PositionImpl(Collections.emptyMap()));
    assertEquals(0, newSegments.size());
    clock.addAndGet(ReaderGroupStateManager.UPDATE_WINDOW.toNanos());
    newSegments = reader1.acquireNewSegmentsIfNeeded(123, new PositionImpl(Collections.emptyMap()));
    assertEquals(2, newSegments.size());
    Duration r1aqt = ReaderGroupStateManager.calculateAcquireTime("reader1", state.getState());
    Duration r2aqt = ReaderGroupStateManager.calculateAcquireTime("reader2", state.getState());
    assertTrue(r1aqt.toMillis() > r2aqt.toMillis());
    Duration r1rlt = ReaderGroupStateManager.calculateReleaseTime("reader1", state.getState());
    Duration r2rlt = ReaderGroupStateManager.calculateReleaseTime("reader2", state.getState());
    assertTrue(r1rlt.toMillis() < r2rlt.toMillis());
    reader1.releaseSegment(newSegments.keySet().iterator().next().getSegment(), 0, 123, new PositionImpl(Collections.emptyMap()));
    newSegments = reader2.acquireNewSegmentsIfNeeded(123, new PositionImpl(Collections.emptyMap()));
    assertEquals(2, newSegments.size());
    r1aqt = ReaderGroupStateManager.calculateAcquireTime("reader1", state.getState());
    r2aqt = ReaderGroupStateManager.calculateAcquireTime("reader2", state.getState());
    assertTrue(r1aqt.toMillis() < r2aqt.toMillis());
    r1rlt = ReaderGroupStateManager.calculateReleaseTime("reader1", state.getState());
    r2rlt = ReaderGroupStateManager.calculateReleaseTime("reader2", state.getState());
    assertTrue(r1rlt.toMillis() > r2rlt.toMillis());
}

Example 33 with SynchronizerClientFactory

use of io.pravega.client.SynchronizerClientFactory in project pravega by pravega.

the class ReaderGroupStateManagerTest method testCheckpoint.

@Test(timeout = 10000)
public void testCheckpoint() throws ReaderNotInReaderGroupException {
    String scope = "scope";
    String stream = "stream";
    PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    SegmentWithRange initialSegment = new SegmentWithRange(new Segment(scope, stream, 0), 0, 1);
    SegmentWithRange successorA = new SegmentWithRange(new Segment(scope, stream, 1), 0.0, 0.5);
    SegmentWithRange successorB = new SegmentWithRange(new Segment(scope, stream, 2), 0.5, 1.0);
    MockController controller = new MockControllerWithSuccessors(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory, new StreamSegmentsWithPredecessors(ImmutableMap.of(successorA, singletonList(0L), successorB, singletonList(0L)), ""));
    createScopeAndStream(scope, stream, controller);
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup SynchronizerClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
    Map<SegmentWithRange, Long> segments = new HashMap<>();
    segments.put(initialSegment, 1L);
    stateSynchronizer.initialize(new ReaderGroupState.ReaderGroupStateInit(ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).disableAutomaticCheckpoints().build(), segments, Collections.emptyMap(), false));
    val readerState = new ReaderGroupStateManager(scope, stream, "testReader", stateSynchronizer, controller, null);
    readerState.initializeReader(0);
    assertNull(readerState.getCheckpoint());
    stateSynchronizer.updateStateUnconditionally(new CreateCheckpoint("CP1"));
    stateSynchronizer.fetchUpdates();
    assertEquals("CP1", readerState.getCheckpoint());
    assertEquals("CP1", readerState.getCheckpoint());
    readerState.checkpoint("CP1", new PositionImpl(Collections.emptyMap()));
    assertNull(readerState.getCheckpoint());
    stateSynchronizer.updateStateUnconditionally(new CreateCheckpoint("CP2"));
    stateSynchronizer.updateStateUnconditionally(new CreateCheckpoint("CP3"));
    stateSynchronizer.fetchUpdates();
    assertEquals("CP2", readerState.getCheckpoint());
    readerState.checkpoint("CP2", new PositionImpl(Collections.emptyMap()));
    assertEquals("CP3", readerState.getCheckpoint());
    readerState.checkpoint("CP3", new PositionImpl(Collections.emptyMap()));
    assertNull(readerState.getCheckpoint());
    // Checking idempotency (state should resolved inconsistency)
    readerState.checkpoint("CP3", new PositionImpl(Collections.emptyMap()));
    assertNull(readerState.getCheckpoint());
}

Example 34 with SynchronizerClientFactory

use of io.pravega.client.SynchronizerClientFactory in project pravega by pravega.

the class WatermarkingTest method recreateStreamWatermarkTest.

@Test(timeout = 120000)
public void recreateStreamWatermarkTest() throws Exception {
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(5)).build();
    ClientConfig clientConfig = ClientConfig.builder().controllerURI(PRAVEGA.getControllerURI()).build();
    @Cleanup StreamManager streamManager = StreamManager.create(clientConfig);
    // then delete stream and move to next iteration and verify that watermarks are generated.
    for (int i = 0; i < 2; i++) {
        String scope = "scope";
        String stream = "recreateStreamWatermarkTest";
        streamManager.createScope(scope);
        streamManager.createStream(scope, stream, config);
        // create writer
        @Cleanup EventStreamClientFactory clientFactory = EventStreamClientFactory.withScope(scope, clientConfig);
        JavaSerializer<Long> javaSerializer = new JavaSerializer<>();
        @Cleanup EventStreamWriter<Long> writer = clientFactory.createEventWriter(stream, javaSerializer, EventWriterConfig.builder().build());
        AtomicBoolean stopFlag = new AtomicBoolean(false);
        // write events
        CompletableFuture<Void> writerFuture = writeEvents(writer, stopFlag);
        @Cleanup SynchronizerClientFactory syncClientFactory = SynchronizerClientFactory.withScope(scope, clientConfig);
        String markStream = NameUtils.getMarkStreamForStream(stream);
        @Cleanup RevisionedStreamClient<Watermark> watermarkReader = syncClientFactory.createRevisionedStreamClient(markStream, new WatermarkSerializer(), SynchronizerConfig.builder().build());
        LinkedBlockingQueue<Watermark> watermarks = new LinkedBlockingQueue<>();
        fetchWatermarks(watermarkReader, watermarks, stopFlag);
        AssertExtensions.assertEventuallyEquals(true, () -> watermarks.size() >= 2, 100000);
        // stop run and seal and delete stream
        stopFlag.set(true);
        writerFuture.join();
        streamManager.sealStream(scope, stream);
        streamManager.deleteStream(scope, stream);
    }
}