Examples with BrokerEventMetadata io.zeebe.protocol.impl.BrokerEventMetadata used on opensource projects

Example 1 with BrokerEventMetadata

use of io.zeebe.protocol.impl.BrokerEventMetadata in project zeebe by zeebe-io.

the class Events method isEventOfType.

protected static boolean isEventOfType(LoggedEvent event, EventType type) {
    if (event == null) {
        return false;
    }
    final BrokerEventMetadata metadata = new BrokerEventMetadata();
    event.readMetadata(metadata);
    return metadata.getEventType() == type;
}

Example 2 with BrokerEventMetadata

use of io.zeebe.protocol.impl.BrokerEventMetadata in project zeebe by zeebe-io.

the class ClientApiMessageHandlerTest method shouldHandleCommandRequest.

@Test
public void shouldHandleCommandRequest() throws InterruptedException, ExecutionException {
    // given
    final int writtenLength = writeCommandRequestToBuffer(buffer, LOG_STREAM_PARTITION_ID, null, EventType.TASK_EVENT);
    // when
    final boolean isHandled = messageHandler.onRequest(serverOutput, DEFAULT_ADDRESS, buffer, 0, writtenLength, REQUEST_ID);
    // then
    assertThat(isHandled).isTrue();
    final BufferedLogStreamReader logStreamReader = new BufferedLogStreamReader(logStream, true);
    waitForAvailableEvent(logStreamReader);
    final LoggedEvent loggedEvent = logStreamReader.next();
    final byte[] valueBuffer = new byte[TASK_EVENT.length];
    loggedEvent.getValueBuffer().getBytes(loggedEvent.getValueOffset(), valueBuffer, 0, loggedEvent.getValueLength());
    assertThat(loggedEvent.getValueLength()).isEqualTo(TASK_EVENT.length);
    assertThat(valueBuffer).isEqualTo(TASK_EVENT);
    final BrokerEventMetadata eventMetadata = new BrokerEventMetadata();
    loggedEvent.readMetadata(eventMetadata);
    assertThat(eventMetadata.getRequestId()).isEqualTo(REQUEST_ID);
    assertThat(eventMetadata.getRequestStreamId()).isEqualTo(DEFAULT_ADDRESS.getStreamId());
}

Example 3 with BrokerEventMetadata

use of io.zeebe.protocol.impl.BrokerEventMetadata in project zeebe by zeebe-io.

the class ClientApiMessageHandlerTest method shouldWriteCommandRequestProtocolVersion.

@Test
public void shouldWriteCommandRequestProtocolVersion() throws InterruptedException, ExecutionException {
    // given
    final short clientProtocolVersion = Protocol.PROTOCOL_VERSION - 1;
    final int writtenLength = writeCommandRequestToBuffer(buffer, LOG_STREAM_PARTITION_ID, clientProtocolVersion, EventType.TASK_EVENT);
    // when
    final boolean isHandled = messageHandler.onRequest(serverOutput, DEFAULT_ADDRESS, buffer, 0, writtenLength, 123);
    // then
    assertThat(isHandled).isTrue();
    final BufferedLogStreamReader logStreamReader = new BufferedLogStreamReader(logStream, true);
    waitForAvailableEvent(logStreamReader);
    final LoggedEvent loggedEvent = logStreamReader.next();
    final BrokerEventMetadata eventMetadata = new BrokerEventMetadata();
    loggedEvent.readMetadata(eventMetadata);
    assertThat(eventMetadata.getProtocolVersion()).isEqualTo(clientProtocolVersion);
}

Example 4 with BrokerEventMetadata

use of io.zeebe.protocol.impl.BrokerEventMetadata in project zeebe by zeebe-io.

the class AddTaskSubscriptionHandler method handle.

@Override
public void handle(final ActorControl actor, final int partitionId, final DirectBuffer buffer, final BrokerEventMetadata eventMetada) {
    final TaskSubscriptionRequest request = new TaskSubscriptionRequest();
    request.wrap(cloneBuffer(buffer));
    final long requestId = eventMetada.getRequestId();
    final int requestStreamId = eventMetada.getRequestStreamId();
    final TaskSubscription taskSubscription = new TaskSubscription(partitionId, request.getLockTaskType(), request.getLockDuration(), request.getLockOwner(), requestStreamId);
    taskSubscription.setCredits(request.getCredits());
    final ActorFuture<Void> future = manager.addSubscription(taskSubscription);
    actor.runOnCompletion(future, ((aVoid, throwable) -> {
        if (throwable == null) {
            final long subscriberKey = taskSubscription.getSubscriberKey();
            request.setSubscriberKey(subscriberKey);
            sendResponse(actor, requestStreamId, requestId, request);
        } else {
            sendErrorResponse(actor, requestStreamId, requestId, "Cannot add task subscription. %s", throwable.getMessage());
        }
    }));
}

Example 5 with BrokerEventMetadata

use of io.zeebe.protocol.impl.BrokerEventMetadata in project zeebe by zeebe-io.

the class ClientApiMessageHandlerTest method shouldWriteCommandRequestEventType.

@Test
public void shouldWriteCommandRequestEventType() throws InterruptedException, ExecutionException {
    // given
    final int writtenLength = writeCommandRequestToBuffer(buffer, LOG_STREAM_PARTITION_ID, null, EventType.TASK_EVENT);
    // when
    final boolean isHandled = messageHandler.onRequest(serverOutput, DEFAULT_ADDRESS, buffer, 0, writtenLength, 123);
    // then
    assertThat(isHandled).isTrue();
    final BufferedLogStreamReader logStreamReader = new BufferedLogStreamReader(logStream, true);
    waitForAvailableEvent(logStreamReader);
    final LoggedEvent loggedEvent = logStreamReader.next();
    final BrokerEventMetadata eventMetadata = new BrokerEventMetadata();
    loggedEvent.readMetadata(eventMetadata);
    assertThat(eventMetadata.getEventType()).isEqualTo(EventType.TASK_EVENT);
}