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

Example 36 with ClientFactory

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

the class ReaderGroupStateManagerTest method testAddReader.

@Test(timeout = 10000)
public void testAddReader() throws ReinitializationRequiredException {
    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);
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
    Map<Segment, Long> segments = new HashMap<>();
    segments.put(new Segment(scope, stream, 0), 1L);
    ReaderGroupStateManager.initializeReaderGroup(stateSynchronizer, ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments);
    ReaderGroupStateManager readerState = new ReaderGroupStateManager("testReader", stateSynchronizer, controller, null);
    readerState.initializeReader(0);
    Segment toRelease = readerState.findSegmentToReleaseIfRequired();
    assertNull(toRelease);
    Map<Segment, Long> newSegments = readerState.acquireNewSegmentsIfNeeded(0);
    assertFalse(newSegments.isEmpty());
    assertEquals(1, newSegments.size());
    assertTrue(newSegments.containsKey(new Segment(scope, stream, 0)));
    assertEquals(1, newSegments.get(new Segment(scope, stream, 0)).longValue());
}

Example 37 with ClientFactory

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

the class ReaderGroupStateManagerTest method testCheckpoint.

@Test(timeout = 10000)
public void testCheckpoint() throws ReinitializationRequiredException {
    String scope = "scope";
    String stream = "stream";
    PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    Segment initialSegment = new Segment(scope, stream, 0);
    Segment successorA = new Segment(scope, stream, 1);
    Segment successorB = new Segment(scope, stream, 2);
    MockController controller = new MockControllerWithSuccessors(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory, new StreamSegmentsWithPredecessors(ImmutableMap.of(new SegmentWithRange(successorA, 0.0, 0.5), singletonList(0), new SegmentWithRange(successorB, 0.5, 1.0), singletonList(0)), ""));
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
    Map<Segment, Long> segments = new HashMap<>();
    segments.put(initialSegment, 1L);
    ReaderGroupStateManager.initializeReaderGroup(stateSynchronizer, ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments);
    val readerState = new ReaderGroupStateManager("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());
}

Example 38 with ClientFactory

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

the class ReaderGroupStateManagerTest method testRemoveReader.

@Test(timeout = 10000)
public void testRemoveReader() throws ReinitializationRequiredException {
    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);
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
    AtomicLong clock = new AtomicLong();
    Map<Segment, Long> segments = new HashMap<>();
    segments.put(new Segment(scope, stream, 0), 123L);
    segments.put(new Segment(scope, stream, 1), 456L);
    ReaderGroupStateManager.initializeReaderGroup(stateSynchronizer, ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments);
    ReaderGroupStateManager readerState1 = new ReaderGroupStateManager("testReader", stateSynchronizer, controller, clock::get);
    readerState1.initializeReader(0);
    Segment toRelease = readerState1.findSegmentToReleaseIfRequired();
    assertNull(toRelease);
    Map<Segment, Long> newSegments = readerState1.acquireNewSegmentsIfNeeded(0);
    assertFalse(newSegments.isEmpty());
    assertEquals(2, newSegments.size());
    ReaderGroupStateManager readerState2 = new ReaderGroupStateManager("testReader2", stateSynchronizer, controller, clock::get);
    readerState2.initializeReader(0);
    clock.addAndGet(ReaderGroupStateManager.UPDATE_WINDOW.toNanos());
    assertNotNull(readerState1.findSegmentToReleaseIfRequired());
    boolean released = readerState1.releaseSegment(new Segment(scope, stream, 0), 789L, 0L);
    assertTrue(released);
    newSegments = readerState2.acquireNewSegmentsIfNeeded(0);
    assertEquals(1, newSegments.size());
    assertEquals(Long.valueOf(789L), newSegments.get(new Segment(scope, stream, 0)));
    ReaderGroupStateManager.readerShutdown("testReader2", null, stateSynchronizer);
    AssertExtensions.assertThrows(ReinitializationRequiredException.class, () -> readerState2.releaseSegment(new Segment(scope, stream, 0), 711L, 0L));
    clock.addAndGet(ReaderGroupStateManager.UPDATE_WINDOW.toNanos());
    newSegments = readerState1.acquireNewSegmentsIfNeeded(0);
    assertEquals(1, newSegments.size());
    assertEquals(Long.valueOf(789L), newSegments.get(new Segment(scope, stream, 0)));
    AssertExtensions.assertThrows(ReinitializationRequiredException.class, () -> readerState2.acquireNewSegmentsIfNeeded(0L));
}

Example 39 with ClientFactory

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

the class ReaderGroupStateManagerTest method testSegmentSplit.

@Test(timeout = 20000)
public void testSegmentSplit() throws ReinitializationRequiredException {
    String scope = "scope";
    String stream = "stream";
    PravegaNodeUri endpoint = new PravegaNodeUri("localhost", SERVICE_PORT);
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    Segment initialSegment = new Segment(scope, stream, 0);
    Segment successorA = new Segment(scope, stream, 1);
    Segment successorB = new Segment(scope, stream, 2);
    MockController controller = new MockControllerWithSuccessors(endpoint.getEndpoint(), endpoint.getPort(), connectionFactory, new StreamSegmentsWithPredecessors(ImmutableMap.of(new SegmentWithRange(successorA, 0.0, 0.5), singletonList(0), new SegmentWithRange(successorB, 0.5, 1.0), singletonList(0)), ""));
    MockSegmentStreamFactory streamFactory = new MockSegmentStreamFactory();
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory, streamFactory, streamFactory, streamFactory);
    SynchronizerConfig config = SynchronizerConfig.builder().build();
    @Cleanup StateSynchronizer<ReaderGroupState> stateSynchronizer = createState(stream, clientFactory, config);
    Map<Segment, Long> segments = new HashMap<>();
    segments.put(initialSegment, 1L);
    ReaderGroupStateManager.initializeReaderGroup(stateSynchronizer, ReaderGroupConfig.builder().stream(Stream.of(scope, stream)).build(), segments);
    val readerState = new ReaderGroupStateManager("testReader", stateSynchronizer, controller, null);
    readerState.initializeReader(0);
    Map<Segment, Long> newSegments = readerState.acquireNewSegmentsIfNeeded(0);
    assertEquals(1, newSegments.size());
    assertEquals(Long.valueOf(1), newSegments.get(initialSegment));
    readerState.handleEndOfSegment(initialSegment);
    newSegments = readerState.acquireNewSegmentsIfNeeded(0);
    assertEquals(2, newSegments.size());
    assertEquals(Long.valueOf(0), newSegments.get(successorA));
    assertEquals(Long.valueOf(0), newSegments.get(successorB));
    newSegments = readerState.acquireNewSegmentsIfNeeded(0);
    assertTrue(newSegments.isEmpty());
}

Example 40 with ClientFactory

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

the class AutoScaleTest method scaleUpTxnTest.

/**
 * Invoke the scale up Test with transactional writes. Produce traffic from multiple writers in parallel.
 * Each writer writes using transactions.
 * Transactions are committed quickly to give
 * The test will periodically check if a scale event has occured by talking to controller via
 * controller client.
 *
 * @throws InterruptedException if interrupted
 * @throws URISyntaxException   If URI is invalid
 */
private CompletableFuture<Void> scaleUpTxnTest() {
    ControllerImpl controller = getController();
    final AtomicBoolean exit = new AtomicBoolean(false);
    ClientFactory clientFactory = getClientFactory();
    startNewTxnWriter(clientFactory, exit);
    // overall wait for test to complete in 260 seconds (4.2 minutes) or scale up, whichever happens first.
    return Retry.withExpBackoff(10, 10, 30, Duration.ofSeconds(10).toMillis()).retryingOn(ScaleOperationNotDoneException.class).throwingOn(RuntimeException.class).runAsync(() -> controller.getCurrentSegments(SCOPE, SCALE_UP_TXN_STREAM_NAME).thenAccept(x -> {
        if (x.getSegments().size() == 1) {
            throw new ScaleOperationNotDoneException();
        } else {
            log.info("txn test scale up done successfully");
            exit.set(true);
        }
    }), EXECUTOR_SERVICE);
}