Examples with ConnectionFactory io.pravega.client.connection.impl.ConnectionFactory used on opensource projects

Example 21 with ConnectionFactory

use of io.pravega.client.connection.impl.ConnectionFactory in project pravega by pravega.

the class EndToEndReaderGroupTest method testMultiScopeReaderGroup.

@Test(timeout = 30000)
public void testMultiScopeReaderGroup() throws Exception {
    LocalController controller = (LocalController) PRAVEGA.getLocalController();
    // Config of two streams with same name and different scopes.
    String defaultScope = "test";
    String scopeA = "scopeA";
    String scopeB = "scopeB";
    String streamName = "testMultiScopeReaderGroup";
    // Create Scopes
    controller.createScope(defaultScope).join();
    controller.createScope(scopeA).join();
    controller.createScope(scopeB).join();
    // Create Streams.
    controller.createStream(scopeA, streamName, getStreamConfig()).join();
    controller.createStream(scopeB, streamName, getStreamConfig()).join();
    // Create ReaderGroup and reader.
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().controllerURI(PRAVEGA.getControllerURI()).build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl(defaultScope, controller, connectionFactory);
    @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl(defaultScope, controller, clientFactory);
    String groupName = "testMultiScopeReaderGroup-group";
    groupManager.createReaderGroup(groupName, ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream(Stream.of(scopeA, streamName)).stream(Stream.of(scopeB, streamName)).build());
    ReaderGroup readerGroup = groupManager.getReaderGroup(groupName);
    @Cleanup EventStreamReader<String> reader1 = clientFactory.createReader("reader1", groupName, new JavaSerializer<>(), ReaderConfig.builder().build());
    // Read empty stream.
    EventRead<String> eventRead = reader1.readNextEvent(100);
    assertNull("Event read should be null since no events are written", eventRead.getEvent());
    // Write to scopeA stream.
    writeTestEvent(scopeA, streamName, 0);
    eventRead = reader1.readNextEvent(10000);
    assertEquals("0", eventRead.getEvent());
    // Write to scopeB stream.
    writeTestEvent(scopeB, streamName, 1);
    eventRead = reader1.readNextEvent(10000);
    assertEquals("1", eventRead.getEvent());
    // Verify ReaderGroup.getStreamNames().
    Set<String> managedStreams = readerGroup.getStreamNames();
    assertTrue(managedStreams.contains(Stream.of(scopeA, streamName).getScopedName()));
    assertTrue(managedStreams.contains(Stream.of(scopeB, streamName).getScopedName()));
}

Example 22 with ConnectionFactory

use of io.pravega.client.connection.impl.ConnectionFactory in project pravega by pravega.

the class EndToEndTxnWithTest method testTxnWithErrors.

@Test(timeout = 30000)
public void testTxnWithErrors() throws Exception {
    String scope = "scope";
    String stream = "testTxnWithErrors";
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).build();
    Controller controller = PRAVEGA.getLocalController();
    controller.createScope(scope).get();
    controller.createStream(scope, stream, config).get();
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory);
    @Cleanup TransactionalEventStreamWriter<String> test = clientFactory.createTransactionalEventWriter("writer", stream, new UTF8StringSerializer(), EventWriterConfig.builder().transactionTimeoutTime(10000).build());
    Transaction<String> transaction = test.beginTxn();
    transaction.writeEvent("0", "txntest1");
    // abort the transaction to simulate a txn abort due to a missing ping request.
    controller.abortTransaction(Stream.of(scope, stream), transaction.getTxnId()).join();
    // check the status of the transaction.
    assertEventuallyEquals(Transaction.Status.ABORTED, () -> controller.checkTransactionStatus(Stream.of(scope, stream), transaction.getTxnId()).join(), 10000);
    transaction.writeEvent("0", "txntest2");
    // verify that commit fails with TxnFailedException.
    assertThrows("TxnFailedException should be thrown", () -> transaction.commit(), t -> t instanceof TxnFailedException);
}

Example 23 with ConnectionFactory

use of io.pravega.client.connection.impl.ConnectionFactory in project pravega by pravega.

the class EndToEndTxnWithTest method testGetTxnWithScale.

@Test(timeout = 20000)
public void testGetTxnWithScale() throws Exception {
    String streamName = "testGetTxnWithScale";
    final StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).build();
    final Serializer<String> serializer = new UTF8StringSerializer();
    final EventWriterConfig writerConfig = EventWriterConfig.builder().transactionTimeoutTime(10000).build();
    final Controller controller = PRAVEGA.getLocalController();
    controller.createScope("test").get();
    controller.createStream("test", streamName, config).get();
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl("test", controller, connectionFactory);
    @Cleanup EventStreamWriter<String> streamWriter = clientFactory.createEventWriter(streamName, serializer, writerConfig);
    streamWriter.writeEvent("key", "e").join();
    @Cleanup TransactionalEventStreamWriter<String> txnWriter = clientFactory.createTransactionalEventWriter(streamName, serializer, writerConfig);
    Transaction<String> txn = txnWriter.beginTxn();
    txn.writeEvent("key", "1");
    txn.flush();
    // the txn is not yet committed here.
    UUID txnId = txn.getTxnId();
    // scale up stream
    scaleUpStream(streamName);
    // write event using stream writer
    streamWriter.writeEvent("key", "e").join();
    Transaction<String> txn1 = txnWriter.getTxn(txnId);
    txn1.writeEvent("key", "2");
    txn1.flush();
    // commit the transaction
    txn1.commit();
    assertEventuallyEquals(Transaction.Status.COMMITTED, txn1::checkStatus, 5000);
    String group = "testGetTxnWithScale-group";
    @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl("test", controller, clientFactory);
    groupManager.createReaderGroup(group, ReaderGroupConfig.builder().disableAutomaticCheckpoints().groupRefreshTimeMillis(0).stream("test/" + streamName).build());
    @Cleanup EventStreamReader<String> reader = clientFactory.createReader("readerId", group, new UTF8StringSerializer(), ReaderConfig.builder().build());
    EventRead<String> event = reader.readNextEvent(5000);
    assertEquals("e", event.getEvent());
    assertNull(reader.readNextEvent(100).getEvent());
    groupManager.getReaderGroup(group).initiateCheckpoint("cp1", executorService());
    event = reader.readNextEvent(5000);
    assertEquals("Checkpoint event expected", "cp1", event.getCheckpointName());
    event = reader.readNextEvent(5000);
    assertEquals("second event post scale up", "e", event.getEvent());
    assertNull(reader.readNextEvent(100).getEvent());
    groupManager.getReaderGroup(group).initiateCheckpoint("cp2", executorService());
    event = reader.readNextEvent(5000);
    assertEquals("Checkpoint event expected", "cp2", event.getCheckpointName());
    event = reader.readNextEvent(5000);
    assertEquals("txn events", "1", event.getEvent());
    event = reader.readNextEvent(5000);
    assertEquals("txn events", "2", event.getEvent());
}

Example 24 with ConnectionFactory

use of io.pravega.client.connection.impl.ConnectionFactory in project pravega by pravega.

the class EndToEndTxnWithTest method testTxnConfig.

@Test(timeout = 10000)
public void testTxnConfig() throws Exception {
    // create stream test
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.byEventRate(10, 2, 1)).build();
    Controller controller = PRAVEGA.getLocalController();
    controller.createScope("test").get();
    String streamName = "testTxnConfig";
    controller.createStream("test", streamName, config).get();
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl("test", controller, connectionFactory);
    // create writers with different configs and try creating transactions against those configs
    EventWriterConfig defaultConfig = EventWriterConfig.builder().build();
    assertNotNull(createTxn(clientFactory, defaultConfig, streamName));
    EventWriterConfig validConfig = EventWriterConfig.builder().transactionTimeoutTime(10000).build();
    assertNotNull(createTxn(clientFactory, validConfig, streamName));
    AssertExtensions.assertThrows("low timeout period not honoured", () -> {
        EventWriterConfig lowTimeoutConfig = EventWriterConfig.builder().transactionTimeoutTime(1000).build();
        createTxn(clientFactory, lowTimeoutConfig, streamName);
    }, e -> Exceptions.unwrap(e) instanceof IllegalArgumentException);
    EventWriterConfig highTimeoutConfig = EventWriterConfig.builder().transactionTimeoutTime(700 * 1000).build();
    AssertExtensions.assertThrows("lease value too large, max value is 600000", () -> createTxn(clientFactory, highTimeoutConfig, streamName), e -> e instanceof IllegalArgumentException);
}

Example 25 with ConnectionFactory

use of io.pravega.client.connection.impl.ConnectionFactory in project pravega by pravega.

the class EndToEndTxnWithTest method testTxnWithScale.

@Test(timeout = 10000)
public void testTxnWithScale() throws Exception {
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).build();
    Controller controller = PRAVEGA.getLocalController();
    controller.createScope("test").get();
    String streamName = "testTxnWithScale";
    controller.createStream("test", streamName, config).get();
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl("test", controller, connectionFactory);
    @Cleanup TransactionalEventStreamWriter<String> test = clientFactory.createTransactionalEventWriter("writer", streamName, new UTF8StringSerializer(), EventWriterConfig.builder().transactionTimeoutTime(10000).build());
    Transaction<String> transaction1 = test.beginTxn();
    transaction1.writeEvent("0", "txntest1");
    transaction1.commit();
    assertEventuallyEquals(Transaction.Status.COMMITTED, () -> transaction1.checkStatus(), 5000);
    // scale
    Stream stream = new StreamImpl("test", streamName);
    Map<Double, Double> map = new HashMap<>();
    map.put(0.0, 0.33);
    map.put(0.33, 0.66);
    map.put(0.66, 1.0);
    Boolean result = controller.scaleStream(stream, Collections.singletonList(0L), map, executorService()).getFuture().get();
    assertTrue(result);
    Transaction<String> transaction2 = test.beginTxn();
    transaction2.writeEvent("0", "txntest2");
    transaction2.commit();
    String group = "testTxnWithScale-group";
    @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl("test", controller, clientFactory);
    groupManager.createReaderGroup(group, ReaderGroupConfig.builder().disableAutomaticCheckpoints().groupRefreshTimeMillis(0).stream("test/" + streamName).build());
    @Cleanup EventStreamReader<String> reader = clientFactory.createReader("readerId", group, new UTF8StringSerializer(), ReaderConfig.builder().build());
    EventRead<String> event = reader.readNextEvent(5000);
    assertNotNull(event.getEvent());
    assertEquals("txntest1", event.getEvent());
    assertNull(reader.readNextEvent(100).getEvent());
    groupManager.getReaderGroup(group).initiateCheckpoint("cp", executorService());
    event = reader.readNextEvent(5000);
    assertEquals("cp", event.getCheckpointName());
    event = reader.readNextEvent(5000);
    assertNotNull(event.getEvent());
    assertEquals("txntest2", event.getEvent());
}