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

Example 46 with ClientFactory

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

the class ReaderCheckpointTest method writeEvents.

private <T extends Serializable> void writeEvents(final List<T> events) {
    try (ClientFactory clientFactory = ClientFactory.withScope(SCOPE, controllerURI);
        EventStreamWriter<T> writer = clientFactory.createEventWriter(STREAM, new JavaSerializer<T>(), EventWriterConfig.builder().build())) {
        for (T event : events) {
            String routingKey = String.valueOf(event);
            log.info("Writing message: {} with routing-key: {} to stream {}", event, routingKey, STREAM);
            writer.writeEvent(routingKey, event);
        }
    }
}

Example 47 with ClientFactory

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

the class RetentionTest method retentionTest.

@Test
public void retentionTest() throws Exception {
    ConnectionFactory connectionFactory = new ConnectionFactoryImpl(ClientConfig.builder().build());
    ControllerImpl controller = new ControllerImpl(ControllerImplConfig.builder().clientConfig(ClientConfig.builder().controllerURI(controllerURI).build()).build(), connectionFactory.getInternalExecutor());
    ClientFactory clientFactory = new ClientFactoryImpl(SCOPE, controller);
    log.info("Invoking Writer test with Controller URI: {}", controllerURI);
    // create a writer
    EventStreamWriter<Serializable> writer = clientFactory.createEventWriter(STREAM, new JavaSerializer<>(), EventWriterConfig.builder().build());
    // write an event
    String writeEvent = "event";
    writer.writeEvent(writeEvent);
    writer.flush();
    log.debug("Writing event: {} ", writeEvent);
    // sleep for 4 mins
    Exceptions.handleInterrupted(() -> Thread.sleep(5 * 60 * 1000));
    // create a reader
    ReaderGroupManager groupManager = ReaderGroupManager.withScope(SCOPE, controllerURI);
    groupManager.createReaderGroup(READER_GROUP, ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream(Stream.of(SCOPE, STREAM)).build());
    EventStreamReader<String> reader = clientFactory.createReader(UUID.randomUUID().toString(), READER_GROUP, new JavaSerializer<>(), ReaderConfig.builder().build());
    // expectation is it should have been truncated and we should find stream to be empty
    try {
        String readEvent = reader.readNextEvent(6000).getEvent();
        log.debug("Reading event: {} ", readEvent);
        assertEquals(null, readEvent);
    } catch (ReinitializationRequiredException e) {
        log.error("Unexpected request to reinitialize {}", e);
        Assert.fail("Unexpected request to reinitialize.Test failed.");
    }
    log.debug("The stream is already truncated.Simple retention test passed.");
}