@Override
public Binding<MessageChannel> bindProducer(
final String name, MessageChannel moduleOutputChannel, Properties properties) {
Assert.isInstanceOf(SubscribableChannel.class, moduleOutputChannel);
KafkaPropertiesAccessor producerPropertiesAccessor = new KafkaPropertiesAccessor(properties);
validateProducerProperties(name, properties, SUPPORTED_PRODUCER_PROPERTIES);
if (logger.isInfoEnabled()) {
logger.info("Using kafka topic for outbound: " + name);
}
final String topicName = escapeTopicName(name);
int numPartitions = producerPropertiesAccessor.getNumberOfKafkaPartitionsForProducer();
Collection<Partition> partitions =
ensureTopicCreated(topicName, numPartitions, defaultReplicationFactor);
ProducerMetadata<byte[], byte[]> producerMetadata =
new ProducerMetadata<>(
topicName, byte[].class, byte[].class, BYTE_ARRAY_SERIALIZER, BYTE_ARRAY_SERIALIZER);
producerMetadata.setCompressionType(
ProducerMetadata.CompressionType.valueOf(
producerPropertiesAccessor.getCompressionCodec(this.defaultCompressionCodec)));
producerMetadata.setBatchBytes(producerPropertiesAccessor.getBatchSize(this.defaultBatchSize));
Properties additionalProps = new Properties();
additionalProps.put(
ProducerConfig.ACKS_CONFIG,
String.valueOf(producerPropertiesAccessor.getRequiredAcks(this.defaultRequiredAcks)));
additionalProps.put(
ProducerConfig.LINGER_MS_CONFIG,
String.valueOf(producerPropertiesAccessor.getBatchTimeout(this.defaultBatchTimeout)));
ProducerFactoryBean<byte[], byte[]> producerFB =
new ProducerFactoryBean<>(producerMetadata, brokers, additionalProps);
try {
final ProducerConfiguration<byte[], byte[]> producerConfiguration =
new ProducerConfiguration<>(producerMetadata, producerFB.getObject());
MessageHandler handler =
new SendingHandler(
topicName, producerPropertiesAccessor, partitions.size(), producerConfiguration);
EventDrivenConsumer consumer =
new EventDrivenConsumer((SubscribableChannel) moduleOutputChannel, handler);
consumer.setBeanFactory(this.getBeanFactory());
consumer.setBeanName("outbound." + name);
consumer.afterPropertiesSet();
Binding<MessageChannel> producerBinding =
Binding.forProducer(name, moduleOutputChannel, consumer, producerPropertiesAccessor);
addBinding(producerBinding);
producerBinding.start();
return producerBinding;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private void doRegisterProducer(
final String name,
MessageChannel moduleOutputChannel,
AmqpOutboundEndpoint delegate,
String replyTo,
RabbitPropertiesAccessor properties) {
Assert.isInstanceOf(SubscribableChannel.class, moduleOutputChannel);
MessageHandler handler = new SendingHandler(delegate, replyTo, properties);
EventDrivenConsumer consumer =
new EventDrivenConsumer((SubscribableChannel) moduleOutputChannel, handler);
consumer.setBeanFactory(getBeanFactory());
consumer.setBeanName("outbound." + name);
consumer.afterPropertiesSet();
Binding producerBinding = Binding.forProducer(name, moduleOutputChannel, consumer, properties);
addBinding(producerBinding);
producerBinding.start();
}