Examples with EventProcessorGroupConfig io.pravega.controller.eventProcessor.EventProcessorGroupConfig used on opensource projects

Example 6 with EventProcessorGroupConfig

use of io.pravega.controller.eventProcessor.EventProcessorGroupConfig in project pravega by pravega.

the class EventProcessorTest method testEventProcessorWriter.

@Test(timeout = 10000)
public void testEventProcessorWriter() throws ReinitializationRequiredException, CheckpointStoreException {
    int initialCount = 1;
    String systemName = "testSystem";
    String readerGroupName = "testReaderGroup";
    int[] input = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
    EventStreamWriterMock<TestEvent> writer = new EventStreamWriterMock<>();
    CheckpointStore checkpointStore = CheckpointStoreFactory.createInMemoryStore();
    CheckpointConfig checkpointConfig = CheckpointConfig.builder().type(CheckpointConfig.Type.None).build();
    EventProcessorGroupConfig config = EventProcessorGroupConfigImpl.builder().eventProcessorCount(1).readerGroupName(READER_GROUP).streamName(STREAM_NAME).checkpointConfig(checkpointConfig).build();
    createEventProcessorGroupConfig(initialCount);
    EventProcessorSystemImpl system = createMockSystem(systemName, PROCESS, SCOPE, createEventReaders(1, input), writer, readerGroupName);
    EventProcessorConfig<TestEvent> eventProcessorConfig = EventProcessorConfig.<TestEvent>builder().supplier(() -> new StartWritingEventProcessor(false, input)).serializer(new JavaSerializer<>()).decider((Throwable e) -> ExceptionHandler.Directive.Stop).config(config).build();
    // Create EventProcessorGroup.
    EventProcessorGroupImpl<TestEvent> group = (EventProcessorGroupImpl<TestEvent>) system.createEventProcessorGroup(eventProcessorConfig, checkpointStore);
    // Await until it is ready.
    group.awaitRunning();
    // By now, the events have been written to the Mock EventStreamWriter.
    Integer[] writerList = writer.getEventList().stream().map(TestEvent::getNumber).collect(Collectors.toList()).toArray(new Integer[input.length]);
    // Validate that events are correctly written.
    Assert.assertArrayEquals(input, ArrayUtils.toPrimitive(writerList));
}

Example 7 with EventProcessorGroupConfig

use of io.pravega.controller.eventProcessor.EventProcessorGroupConfig in project pravega by pravega.

the class EventProcessorTest method testInitialize.

@Test(timeout = 10000)
public void testInitialize() throws ReinitializationRequiredException, CheckpointStoreException {
    String systemName = "testSystem";
    String readerGroupName = "testReaderGroup";
    EventStreamWriterMock<TestEvent> writer = new EventStreamWriterMock<>();
    int[] input = { 1, 2, 3, 4, 5 };
    CheckpointStore checkpointStore = CheckpointStoreFactory.createInMemoryStore();
    CheckpointConfig checkpointConfig = CheckpointConfig.builder().type(CheckpointConfig.Type.None).build();
    EventProcessorGroupConfig config = EventProcessorGroupConfigImpl.builder().eventProcessorCount(3).readerGroupName(READER_GROUP).streamName(STREAM_NAME).checkpointConfig(checkpointConfig).build();
    createEventProcessorGroupConfig(3);
    EventProcessorSystemImpl system = createMockSystem(systemName, PROCESS, SCOPE, createEventReaders(3, input), writer, readerGroupName);
    EventProcessorConfig<TestEvent> eventProcessorConfig = EventProcessorConfig.<TestEvent>builder().supplier(() -> new StartWritingEventProcessor(false, input)).serializer(new JavaSerializer<>()).decider((Throwable e) -> ExceptionHandler.Directive.Stop).config(config).build();
    // Create EventProcessorGroup.
    EventProcessorGroupImpl<TestEvent> group = (EventProcessorGroupImpl<TestEvent>) system.createEventProcessorGroup(eventProcessorConfig, checkpointStore);
    // test idempotent initialize
    group.initialize();
    group.initialize();
    // Await until it is ready.
    group.awaitRunning();
    group.initialize();
    assertEquals(3, group.getEventProcessorMap().values().size());
}

Example 8 with EventProcessorGroupConfig

use of io.pravega.controller.eventProcessor.EventProcessorGroupConfig in project pravega by pravega.

the class ControllerEventProcessors method initialize.

private void initialize() throws Exception {
    // region Create commit event processor
    EventProcessorGroupConfig commitReadersConfig = EventProcessorGroupConfigImpl.builder().streamName(config.getCommitStreamName()).readerGroupName(config.getCommitReaderGroupName()).eventProcessorCount(config.getCommitReaderGroupSize()).checkpointConfig(config.getCommitCheckpointConfig()).build();
    EventProcessorConfig<CommitEvent> commitConfig = EventProcessorConfig.<CommitEvent>builder().config(commitReadersConfig).decider(ExceptionHandler.DEFAULT_EXCEPTION_HANDLER).serializer(COMMIT_EVENT_SERIALIZER).supplier(() -> this.commitEventProcessor).build();
    log.info("Creating commit event processors");
    Retry.indefinitelyWithExpBackoff(DELAY, MULTIPLIER, MAX_DELAY, e -> log.warn("Error creating commit event processor group", e)).run(() -> {
        commitEventProcessors = system.createEventProcessorGroup(commitConfig, checkpointStore);
        return null;
    });
    // endregion
    // region Create abort event processor
    EventProcessorGroupConfig abortReadersConfig = EventProcessorGroupConfigImpl.builder().streamName(config.getAbortStreamName()).readerGroupName(config.getAbortReaderGroupName()).eventProcessorCount(config.getAbortReaderGroupSize()).checkpointConfig(config.getAbortCheckpointConfig()).build();
    EventProcessorConfig<AbortEvent> abortConfig = EventProcessorConfig.<AbortEvent>builder().config(abortReadersConfig).decider(ExceptionHandler.DEFAULT_EXCEPTION_HANDLER).serializer(ABORT_EVENT_SERIALIZER).supplier(() -> new ConcurrentEventProcessor<>(abortRequestHandler, executor)).build();
    log.info("Creating abort event processors");
    Retry.indefinitelyWithExpBackoff(DELAY, MULTIPLIER, MAX_DELAY, e -> log.warn("Error creating commit event processor group", e)).run(() -> {
        abortEventProcessors = system.createEventProcessorGroup(abortConfig, checkpointStore);
        return null;
    });
    // endregion
    // region Create request event processor
    EventProcessorGroupConfig requestReadersConfig = EventProcessorGroupConfigImpl.builder().streamName(config.getRequestStreamName()).readerGroupName(config.getRequestReaderGroupName()).eventProcessorCount(1).checkpointConfig(config.getRequestStreamCheckpointConfig()).build();
    EventProcessorConfig<ControllerEvent> requestConfig = EventProcessorConfig.builder().config(requestReadersConfig).decider(ExceptionHandler.DEFAULT_EXCEPTION_HANDLER).serializer(CONTROLLER_EVENT_SERIALIZER).supplier(() -> new ConcurrentEventProcessor<>(streamRequestHandler, executor)).build();
    log.info("Creating request event processors");
    Retry.indefinitelyWithExpBackoff(DELAY, MULTIPLIER, MAX_DELAY, e -> log.warn("Error creating request event processor group", e)).run(() -> {
        requestEventProcessors = system.createEventProcessorGroup(requestConfig, checkpointStore);
        return null;
    });
    // endregion
    log.info("Awaiting start of commit event processors");
    commitEventProcessors.awaitRunning();
    log.info("Awaiting start of abort event processors");
    abortEventProcessors.awaitRunning();
    log.info("Awaiting start of request event processors");
    requestEventProcessors.awaitRunning();
}