@PreDestroy
public void stop() {
try {
messageAcker.stop();
producerChannel.close();
consumerChannel.close();
clientConnection.close();
} catch (IOException | TimeoutException e) {
logger.error("Failed to close all RabbitMQ Client resources", e);
}
}
@PostConstruct
public void start() throws IOException, TimeoutException {
// millis
connectionFactory.setConnectionTimeout(1000);
// seconds
connectionFactory.setRequestedHeartbeat(4);
// lyra reconnect logic
Config config =
new Config()
.withRecoveryPolicy(
new RecoveryPolicy().withMaxAttempts(-1).withInterval(Duration.seconds(1)))
.withChannelListeners(this);
ConnectionOptions connectionOptions =
new ConnectionOptions(connectionFactory).withAddresses(rabbitmqHosts);
connectionOptions.withUsername(username);
connectionOptions.withPassword(password);
// create single connection
// clientConnection = connectionFactory.newConnection(Address.parseAddresses(rabbitmqHosts));
clientConnection = Connections.create(connectionOptions, config);
// create a seperate producer and a seperate consumer channel
consumerChannel = clientConnection.createChannel();
producerChannel = clientConnection.createChannel();
// ensure the exchange is there
consumerChannel.exchangeDeclare(exchangeName, "direct", true);
if (ackType == BUFFERED) {
messageAcker = new BufferingMessageAcker(consumerChannel);
} else if (ackType == WRITE_BEHIND) {
messageAcker = new WriteBehindMessageAcker(consumerChannel);
} else if (ackType == ASYNC) {
messageAcker = new AsyncMessageAcker(consumerChannel);
} else {
messageAcker = new DirectMessageAcker(consumerChannel);
}
messageAcker.start();
}
