Examples with DirectBuffer org.agrona.DirectBuffer used on opensource projects

Example 66 with DirectBuffer

use of org.agrona.DirectBuffer in project zeebe by zeebe-io.

the class CreateTopicProcessor method processEvent.

@Override
public void processEvent(TypedEvent<TopicEvent> event) {
    final TopicEvent value = event.getValue();
    final DirectBuffer nameBuffer = value.getName();
    final boolean topicExists = topics.moveTo(nameBuffer);
    if (topicExists || value.getPartitions() <= 0) {
        value.setState(TopicState.CREATE_REJECTED);
    }
}

Example 67 with DirectBuffer

use of org.agrona.DirectBuffer in project zeebe by zeebe-io.

the class PartitionCreatedProcessor method processEvent.

@Override
public void processEvent(TypedEvent<PartitionEvent> event) {
    final PartitionEvent value = event.getValue();
    final DirectBuffer topicName = value.getTopicName();
    topics.moveTo(topicName);
    // == 1 because this is the last partition
    final boolean topicCreationComplete = topics.getRemainingPartitions() == 1;
    if (topicCreationComplete) {
        createRequest = reader.readValue(topics.getRequestPosition(), TopicEvent.class);
        createRequest.getValue().setState(TopicState.CREATED);
        Loggers.SYSTEM_LOGGER.debug("Topic '{}' created.", BufferUtil.bufferAsString(topicName));
    } else {
        Loggers.SYSTEM_LOGGER.debug("Partition '{}' created. Topic '{}' has {} remaining partitions.", value.getId(), BufferUtil.bufferAsString(topicName), topics.getRemainingPartitions());
        createRequest = null;
    }
}

Example 68 with DirectBuffer

use of org.agrona.DirectBuffer in project zeebe by zeebe-io.

the class PartitionCreatedProcessor method updateState.

@Override
public void updateState(TypedEvent<PartitionEvent> event) {
    final DirectBuffer topicName = event.getValue().getTopicName();
    topics.moveTo(topicName);
    final int remainingPartitions = topics.getRemainingPartitions();
    if (remainingPartitions > 0) {
        topics.put(topicName, remainingPartitions - 1, topics.getRequestPosition());
    }
}

Example 69 with DirectBuffer

use of org.agrona.DirectBuffer in project zeebe by zeebe-io.

the class CreatePartitionProcessor method executeSideEffects.

@Override
public boolean executeSideEffects(TypedEvent<PartitionEvent> event, TypedResponseWriter responseWriter) {
    final PartitionEvent value = event.getValue();
    final TopologyBroker creator = value.getCreator();
    final DirectBuffer creatorHost = creator.getHost();
    creatorAddress.host(creatorHost, 0, creatorHost.capacity());
    creatorAddress.port(creator.getPort());
    final ActorFuture<ClientResponse> partitionRemote = partitionManager.createPartitionRemote(creatorAddress, value.getTopicName(), value.getId());
    actor.runOnCompletion(partitionRemote, ((clientRequest, throwable) -> {
        if (throwable == null) {
            clientRequest.close();
        } else {
            Loggers.SYSTEM_LOGGER.error("Failed to create partitions request.", throwable);
        }
    }));
    return true;
}

Example 70 with DirectBuffer

use of org.agrona.DirectBuffer in project zeebe by zeebe-io.

the class DeploymentCreateProcessor method readAndValidateWorkflows.

private boolean readAndValidateWorkflows(final DeploymentEvent deploymentEvent) {
    final DirectBuffer topicName = deploymentEvent.getTopicName();
    final StringBuilder validationErrors = new StringBuilder();
    boolean success = true;
    deploymentResourceIterator.wrap(deploymentEvent);
    if (!deploymentResourceIterator.hasNext()) {
        validationErrors.append("Deployment doesn't contain a resource to deploy.");
        success = false;
    }
    while (deploymentResourceIterator.hasNext()) {
        final DeploymentResource deploymentResource = deploymentResourceIterator.next();
        try {
            success &= readAndValidateWorkflowsOfResource(deploymentResource, topicName, validationErrors);
        } catch (Exception e) {
            validationErrors.append(String.format("Failed to deploy resource '%s':\n", bufferAsString(deploymentResource.getResourceName())));
            validationErrors.append(generateErrorMessage(e));
            success = false;
        }
    }
    deploymentEvent.setErrorMessage(validationErrors.toString());
    return success;
}