// Copyright (c) 2007-Present Pivotal Software, Inc. All rights reserved.
//
// This software, the RabbitMQ Java client library, is triple-licensed under the
// Mozilla Public License 1.1 ("MPL"), the GNU General Public License version 2
// ("GPL") and the Apache License version 2 ("ASL"). For the MPL, please see
// LICENSE-MPL-RabbitMQ. For the GPL, please see LICENSE-GPL2. For the ASL,
// please see LICENSE-APACHE2.
//
// This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
// either express or implied. See the LICENSE file for specific language governing
// rights and limitations of this software.
//
// If you have any questions regarding licensing, please contact us at
// info@rabbitmq.com.
package com.rabbitmq.client.impl.recovery;
import com.rabbitmq.client.*;
import com.rabbitmq.client.RecoverableChannel;
import java.io.IOException;
import java.util.*;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.TimeoutException;
/**
* {@link com.rabbitmq.client.Channel} implementation that is automatically
* recovered during connection recovery.
*
* @since 3.3.0
*/
public class AutorecoveringChannel implements RecoverableChannel {
private volatile RecoveryAwareChannelN delegate;
private volatile AutorecoveringConnection connection;
private final List<ShutdownListener> shutdownHooks = new CopyOnWriteArrayList<ShutdownListener>();
private final List<RecoveryListener> recoveryListeners = new CopyOnWriteArrayList<RecoveryListener>();
private final List<ReturnListener> returnListeners = new CopyOnWriteArrayList<ReturnListener>();
private final List<ConfirmListener> confirmListeners = new CopyOnWriteArrayList<ConfirmListener>();
private final Set<String> consumerTags = Collections.synchronizedSet(new HashSet<String>());
private int prefetchCountConsumer;
private int prefetchCountGlobal;
private boolean usesPublisherConfirms;
private boolean usesTransactions;
public AutorecoveringChannel(AutorecoveringConnection connection, RecoveryAwareChannelN delegate) {
this.connection = connection;
this.delegate = delegate;
}
@Override
public int getChannelNumber() {
return delegate.getChannelNumber();
}
@Override
public Connection getConnection() {
return delegate.getConnection();
}
public Channel getDelegate() {
return delegate;
}
@Override
public void close() throws IOException, TimeoutException {
try {
delegate.close();
} finally {
for (String consumerTag : consumerTags) {
this.connection.deleteRecordedConsumer(consumerTag);
}
this.connection.unregisterChannel(this);
}
}
@Override
public void close(int closeCode, String closeMessage) throws IOException, TimeoutException {
try {
delegate.close(closeCode, closeMessage);
} finally {
this.connection.unregisterChannel(this);
}
}
@Override
public void abort() throws IOException {
delegate.abort();
}
@Override
public void abort(int closeCode, String closeMessage) throws IOException {
delegate.abort(closeCode, closeMessage);
}
@Override
public void addReturnListener(ReturnListener listener) {
this.returnListeners.add(listener);
delegate.addReturnListener(listener);
}
@Override
public ReturnListener addReturnListener(ReturnCallback returnCallback) {
ReturnListener returnListener = (replyCode, replyText, exchange, routingKey, properties, body) -> returnCallback.handle(new Return(
replyCode, replyText, exchange, routingKey, properties, body
));
this.addReturnListener(returnListener);
return returnListener;
}
@Override
public boolean removeReturnListener(ReturnListener listener) {
this.returnListeners.remove(listener);
return delegate.removeReturnListener(listener);
}
@Override
public void clearReturnListeners() {
this.returnListeners.clear();
delegate.clearReturnListeners();
}
@Override
public void addConfirmListener(ConfirmListener listener) {
this.confirmListeners.add(listener);
delegate.addConfirmListener(listener);
}
@Override
public ConfirmListener addConfirmListener(ConfirmCallback ackCallback, ConfirmCallback nackCallback) {
ConfirmListener confirmListener = new ConfirmListener() {
@Override
public void handleAck(long deliveryTag, boolean multiple) throws IOException {
ackCallback.handle(deliveryTag, multiple);
}
@Override
public void handleNack(long deliveryTag, boolean multiple) throws IOException {
nackCallback.handle(deliveryTag, multiple);
}
};
this.addConfirmListener(confirmListener);
return confirmListener;
}
@Override
public boolean removeConfirmListener(ConfirmListener listener) {
this.confirmListeners.remove(listener);
return delegate.removeConfirmListener(listener);
}
@Override
public void clearConfirmListeners() {
this.confirmListeners.clear();
delegate.clearConfirmListeners();
}
@Override
public Consumer getDefaultConsumer() {
return delegate.getDefaultConsumer();
}
@Override
public void setDefaultConsumer(Consumer consumer) {
delegate.setDefaultConsumer(consumer);
}
@Override
public void basicQos(int prefetchSize, int prefetchCount, boolean global) throws IOException {
if (global) {
this.prefetchCountGlobal = prefetchCount;
} else {
this.prefetchCountConsumer = prefetchCount;
}
delegate.basicQos(prefetchSize, prefetchCount, global);
}
@Override
public void basicQos(int prefetchCount) throws IOException {
basicQos(0, prefetchCount, false);
}
@Override
public void basicQos(int prefetchCount, boolean global) throws IOException {
basicQos(0, prefetchCount, global);
}
@Override
public void basicPublish(String exchange, String routingKey, AMQP.BasicProperties props, byte[] body) throws IOException {
delegate.basicPublish(exchange, routingKey, props, body);
}
@Override
public void basicPublish(String exchange, String routingKey, boolean mandatory, AMQP.BasicProperties props, byte[] body) throws IOException {
delegate.basicPublish(exchange, routingKey, mandatory, props, body);
}
@Override
public void basicPublish(String exchange, String routingKey, boolean mandatory, boolean immediate, AMQP.BasicProperties props, byte[] body) throws IOException {
delegate.basicPublish(exchange, routingKey, mandatory, immediate, props, body);
}
@Override
public AMQP.Exchange.DeclareOk exchangeDeclare(String exchange, String type) throws IOException {
return exchangeDeclare(exchange, type, false, false, null);
}
@Override
public AMQP.Exchange.DeclareOk exchangeDeclare(String exchange, BuiltinExchangeType type) throws IOException {
return exchangeDeclare(exchange, type.getType());
}
@Override
public AMQP.Exchange.DeclareOk exchangeDeclare(String exchange, String type, boolean durable) throws IOException {
return exchangeDeclare(exchange, type, durable, false, null);
}
@Override
public AMQP.Exchange.DeclareOk exchangeDeclare(String exchange, BuiltinExchangeType type, boolean durable) throws IOException {
return exchangeDeclare(exchange, type.getType(), durable);
}
@Override
public AMQP.Exchange.DeclareOk exchangeDeclare(String exchange, String type, boolean durable, boolean autoDelete, Map<String, Object> arguments) throws IOException {
return exchangeDeclare(exchange, type, durable, autoDelete, false, arguments);
}
@Override
public AMQP.Exchange.DeclareOk exchangeDeclare(String exchange, BuiltinExchangeType type, boolean durable, boolean autoDelete, Map<String, Object> arguments) throws IOException {
return exchangeDeclare(exchange, type.getType(), durable, autoDelete, arguments);
}
@Override
public AMQP.Exchange.DeclareOk exchangeDeclare(String exchange, String type, boolean durable, boolean autoDelete, boolean internal, Map<String, Object> arguments) throws IOException {
final AMQP.Exchange.DeclareOk ok = delegate.exchangeDeclare(exchange, type, durable, autoDelete, internal, arguments);
RecordedExchange x = new RecordedExchange(this, exchange).
type(type).
durable(durable).
autoDelete(autoDelete).
arguments(arguments);
recordExchange(exchange, x);
return ok;
}
@Override
public AMQP.Exchange.DeclareOk exchangeDeclare(String exchange, BuiltinExchangeType type, boolean durable, boolean autoDelete, boolean internal, Map<String, Object> arguments) throws IOException {
return exchangeDeclare(exchange, type.getType(), durable, autoDelete, internal, arguments);
}
@Override
public void exchangeDeclareNoWait(String exchange, String type, boolean durable, boolean autoDelete, boolean internal, Map<String, Object> arguments) throws IOException {
RecordedExchange x = new RecordedExchange(this, exchange).
type(type).
durable(durable).
autoDelete(autoDelete).
arguments(arguments);
recordExchange(exchange, x);
delegate.exchangeDeclareNoWait(exchange, type, durable, autoDelete, internal, arguments);
}
@Override
public void exchangeDeclareNoWait(String exchange, BuiltinExchangeType type, boolean durable, boolean autoDelete, boolean internal, Map<String, Object> arguments) throws IOException {
exchangeDeclareNoWait(exchange, type.getType(), durable, autoDelete, internal, arguments);
}
@Override
public AMQP.Exchange.DeclareOk exchangeDeclarePassive(String name) throws IOException {
return delegate.exchangeDeclarePassive(name);
}
@Override
public AMQP.Exchange.DeleteOk exchangeDelete(String exchange, boolean ifUnused) throws IOException {
deleteRecordedExchange(exchange);
return delegate.exchangeDelete(exchange, ifUnused);
}
@Override
public void exchangeDeleteNoWait(String exchange, boolean ifUnused) throws IOException {
deleteRecordedExchange(exchange);
delegate.exchangeDeleteNoWait(exchange, ifUnused);
}
@Override
public AMQP.Exchange.DeleteOk exchangeDelete(String exchange) throws IOException {
return exchangeDelete(exchange, false);
}
@Override
public AMQP.Exchange.BindOk exchangeBind(String destination, String source, String routingKey) throws IOException {
return exchangeBind(destination, source, routingKey, null);
}
@Override
public AMQP.Exchange.BindOk exchangeBind(String destination, String source, String routingKey, Map<String, Object> arguments) throws IOException {
final AMQP.Exchange.BindOk ok = delegate.exchangeBind(destination, source, routingKey, arguments);
recordExchangeBinding(destination, source, routingKey, arguments);
return ok;
}
@Override
public void exchangeBindNoWait(String destination, String source, String routingKey, Map<String, Object> arguments) throws IOException {
delegate.exchangeBindNoWait(destination, source, routingKey, arguments);
recordExchangeBinding(destination, source, routingKey, arguments);
}
@Override
public AMQP.Exchange.UnbindOk exchangeUnbind(String destination, String source, String routingKey) throws IOException {
return exchangeUnbind(destination, source, routingKey, null);
}
@Override
public AMQP.Exchange.UnbindOk exchangeUnbind(String destination, String source, String routingKey, Map<String, Object> arguments) throws IOException {
deleteRecordedExchangeBinding(destination, source, routingKey, arguments);
this.maybeDeleteRecordedAutoDeleteExchange(source);
return delegate.exchangeUnbind(destination, source, routingKey, arguments);
}
@Override
public void exchangeUnbindNoWait(String destination, String source, String routingKey, Map<String, Object> arguments) throws IOException {
delegate.exchangeUnbindNoWait(destination, source, routingKey, arguments);
deleteRecordedExchangeBinding(destination, source, routingKey, arguments);
}
@Override
public AMQP.Queue.DeclareOk queueDeclare() throws IOException {
return queueDeclare("", false, true, true, null);
}
@Override
public AMQP.Queue.DeclareOk queueDeclare(String queue, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments) throws IOException {
final AMQP.Queue.DeclareOk ok = delegate.queueDeclare(queue, durable, exclusive, autoDelete, arguments);
RecordedQueue q = new RecordedQueue(this, ok.getQueue()).
durable(durable).
exclusive(exclusive).
autoDelete(autoDelete).
arguments(arguments);
if (queue.equals(RecordedQueue.EMPTY_STRING)) {
q.serverNamed(true);
}
recordQueue(ok, q);
return ok;
}
@Override
public void queueDeclareNoWait(String queue,
boolean durable,
boolean exclusive,
boolean autoDelete,
Map<String, Object> arguments) throws IOException {
RecordedQueue meta = new RecordedQueue(this, queue).
durable(durable).
exclusive(exclusive).
autoDelete(autoDelete).
arguments(arguments);
delegate.queueDeclareNoWait(queue, durable, exclusive, autoDelete, arguments);
recordQueue(queue, meta);
}
@Override
public AMQP.Queue.DeclareOk queueDeclarePassive(String queue) throws IOException {
return delegate.queueDeclarePassive(queue);
}
@Override
public long messageCount(String queue) throws IOException {
return delegate.messageCount(queue);
}
@Override
public long consumerCount(String queue) throws IOException {
return delegate.consumerCount(queue);
}
@Override
public AMQP.Queue.DeleteOk queueDelete(String queue) throws IOException {
return queueDelete(queue, false, false);
}
@Override
public AMQP.Queue.DeleteOk queueDelete(String queue, boolean ifUnused, boolean ifEmpty) throws IOException {
deleteRecordedQueue(queue);
return delegate.queueDelete(queue, ifUnused, ifEmpty);
}
@Override
public void queueDeleteNoWait(String queue, boolean ifUnused, boolean ifEmpty) throws IOException {
deleteRecordedQueue(queue);
delegate.queueDeleteNoWait(queue, ifUnused, ifEmpty);
}
@Override
public AMQP.Queue.BindOk queueBind(String queue, String exchange, String routingKey) throws IOException {
return queueBind(queue, exchange, routingKey, null);
}
@Override
public AMQP.Queue.BindOk queueBind(String queue, String exchange, String routingKey, Map<String, Object> arguments) throws IOException {
AMQP.Queue.BindOk ok = delegate.queueBind(queue, exchange, routingKey, arguments);
recordQueueBinding(queue, exchange, routingKey, arguments);
return ok;
}
@Override
public void queueBindNoWait(String queue, String exchange, String routingKey, Map<String, Object> arguments) throws IOException {
delegate.queueBindNoWait(queue, exchange, routingKey, arguments);
recordQueueBinding(queue, exchange, routingKey, arguments);
}
@Override
public AMQP.Queue.UnbindOk queueUnbind(String queue, String exchange, String routingKey) throws IOException {
return queueUnbind(queue, exchange, routingKey, null);
}
@Override
public AMQP.Queue.UnbindOk queueUnbind(String queue, String exchange, String routingKey, Map<String, Object> arguments) throws IOException {
deleteRecordedQueueBinding(queue, exchange, routingKey, arguments);
this.maybeDeleteRecordedAutoDeleteExchange(exchange);
return delegate.queueUnbind(queue, exchange, routingKey, arguments);
}
@Override
public AMQP.Queue.PurgeOk queuePurge(String queue) throws IOException {
return delegate.queuePurge(queue);
}
@Override
public GetResponse basicGet(String queue, boolean autoAck) throws IOException {
return delegate.basicGet(queue, autoAck);
}
@Override
public void basicAck(long deliveryTag, boolean multiple) throws IOException {
delegate.basicAck(deliveryTag, multiple);
}
@Override
public void basicNack(long deliveryTag, boolean multiple, boolean requeue) throws IOException {
delegate.basicNack(deliveryTag, multiple, requeue);
}
@Override
public void basicReject(long deliveryTag, boolean requeue) throws IOException {
delegate.basicReject(deliveryTag, requeue);
}
@Override
public String basicConsume(String queue, Consumer callback) throws IOException {
return basicConsume(queue, false, callback);
}
@Override
public String basicConsume(String queue, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
return basicConsume(queue, consumerFromDeliverCancelCallbacks(deliverCallback, cancelCallback));
}
@Override
public String basicConsume(String queue, DeliverCallback deliverCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
return basicConsume(queue, consumerFromDeliverShutdownCallbacks(deliverCallback, shutdownSignalCallback));
}
@Override
public String basicConsume(String queue, DeliverCallback deliverCallback, CancelCallback cancelCallback,
ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
return basicConsume(queue, false, consumerFromDeliverCancelShutdownCallbacks(deliverCallback, cancelCallback, shutdownSignalCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, Consumer callback) throws IOException {
return basicConsume(queue, autoAck, "", callback);
}
@Override
public String basicConsume(String queue, boolean autoAck, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
return basicConsume(queue, autoAck, "", consumerFromDeliverCancelCallbacks(deliverCallback, cancelCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, DeliverCallback deliverCallback, ConsumerShutdownSignalCallback shutdownSignalCallback)
throws IOException {
return basicConsume(queue, autoAck, "", consumerFromDeliverShutdownCallbacks(deliverCallback, shutdownSignalCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, DeliverCallback deliverCallback, CancelCallback cancelCallback,
ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
return basicConsume(queue, autoAck, "", consumerFromDeliverCancelShutdownCallbacks(deliverCallback, cancelCallback, shutdownSignalCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, Consumer callback) throws IOException {
return basicConsume(queue, autoAck, consumerTag, false, false, null, callback);
}
@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, DeliverCallback deliverCallback, CancelCallback cancelCallback)
throws IOException {
return basicConsume(queue, autoAck, consumerTag, false, false, null, consumerFromDeliverCancelCallbacks(deliverCallback, cancelCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, DeliverCallback deliverCallback,
ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
return basicConsume(queue, autoAck, consumerTag, false, false, null, consumerFromDeliverShutdownCallbacks(deliverCallback, shutdownSignalCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, DeliverCallback deliverCallback, CancelCallback cancelCallback,
ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
return basicConsume(queue, autoAck, consumerTag, false, false, null, consumerFromDeliverCancelShutdownCallbacks(deliverCallback, cancelCallback, shutdownSignalCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, Map<String, Object> arguments, Consumer callback) throws IOException {
return basicConsume(queue, autoAck, "", false, false, arguments, callback);
}
@Override
public String basicConsume(String queue, boolean autoAck, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback)
throws IOException {
return basicConsume(queue, autoAck, "", false, false, arguments, consumerFromDeliverCancelCallbacks(deliverCallback, cancelCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, Map<String, Object> arguments, DeliverCallback deliverCallback,
ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
return basicConsume(queue, autoAck, "", false, false, arguments, consumerFromDeliverShutdownCallbacks(deliverCallback, shutdownSignalCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback,
ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
return basicConsume(queue, autoAck, "", false, false, arguments, consumerFromDeliverCancelShutdownCallbacks(deliverCallback, cancelCallback, shutdownSignalCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, boolean noLocal, boolean exclusive, Map<String, Object> arguments, Consumer callback) throws IOException {
final String result = delegate.basicConsume(queue, autoAck, consumerTag, noLocal, exclusive, arguments, callback);
recordConsumer(result, queue, autoAck, exclusive, arguments, callback);
return result;
}
@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, boolean noLocal, boolean exclusive, Map<String, Object> arguments,
DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
return basicConsume(queue, autoAck, consumerTag, noLocal, exclusive, arguments, consumerFromDeliverCancelCallbacks(deliverCallback, cancelCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, boolean noLocal, boolean exclusive, Map<String, Object> arguments,
DeliverCallback deliverCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
return basicConsume(queue, autoAck, consumerTag, noLocal, exclusive, arguments, consumerFromDeliverShutdownCallbacks(deliverCallback, shutdownSignalCallback));
}
@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, boolean noLocal, boolean exclusive, Map<String, Object> arguments,
DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
return basicConsume(queue, autoAck, consumerTag, noLocal, exclusive, arguments, consumerFromDeliverCancelShutdownCallbacks(deliverCallback, cancelCallback, shutdownSignalCallback));
}
private Consumer consumerFromDeliverCancelCallbacks(final DeliverCallback deliverCallback, final CancelCallback cancelCallback) {
return new Consumer() {
@Override
public void handleConsumeOk(String consumerTag) { }
@Override
public void handleCancelOk(String consumerTag) { }
@Override
public void handleCancel(String consumerTag) throws IOException {
cancelCallback.handle(consumerTag);
}
@Override
public void handleShutdownSignal(String consumerTag, ShutdownSignalException sig) { }
@Override
public void handleRecoverOk(String consumerTag) { }
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
deliverCallback.handle(consumerTag, new Delivery(envelope, properties, body));
}
};
}
private Consumer consumerFromDeliverShutdownCallbacks(final DeliverCallback deliverCallback, final ConsumerShutdownSignalCallback shutdownSignalCallback) {
return new Consumer() {
@Override
public void handleConsumeOk(String consumerTag) { }
@Override
public void handleCancelOk(String consumerTag) { }
@Override
public void handleCancel(String consumerTag) throws IOException { }
@Override
public void handleShutdownSignal(String consumerTag, ShutdownSignalException sig) {
shutdownSignalCallback.handleShutdownSignal(consumerTag, sig);
}
@Override
public void handleRecoverOk(String consumerTag) { }
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
deliverCallback.handle(consumerTag, new Delivery(envelope, properties, body));
}
};
}
private Consumer consumerFromDeliverCancelShutdownCallbacks(final DeliverCallback deliverCallback, final CancelCallback cancelCallback, final ConsumerShutdownSignalCallback shutdownSignalCallback) {
return new Consumer() {
@Override
public void handleConsumeOk(String consumerTag) { }
@Override
public void handleCancelOk(String consumerTag) { }
@Override
public void handleCancel(String consumerTag) throws IOException {
cancelCallback.handle(consumerTag);
}
@Override
public void handleShutdownSignal(String consumerTag, ShutdownSignalException sig) {
shutdownSignalCallback.handleShutdownSignal(consumerTag, sig);
}
@Override
public void handleRecoverOk(String consumerTag) { }
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
deliverCallback.handle(consumerTag, new Delivery(envelope, properties, body));
}
};
}
@Override
public void basicCancel(String consumerTag) throws IOException {
RecordedConsumer c = this.deleteRecordedConsumer(consumerTag);
if(c != null) {
this.maybeDeleteRecordedAutoDeleteQueue(c.getQueue());
}
delegate.basicCancel(consumerTag);
}
@Override
public AMQP.Basic.RecoverOk basicRecover() throws IOException {
return delegate.basicRecover();
}
@Override
public AMQP.Basic.RecoverOk basicRecover(boolean requeue) throws IOException {
return delegate.basicRecover(requeue);
}
@Override
public AMQP.Tx.SelectOk txSelect() throws IOException {
this.usesTransactions = true;
return delegate.txSelect();
}
@Override
public AMQP.Tx.CommitOk txCommit() throws IOException {
return delegate.txCommit();
}
@Override
public AMQP.Tx.RollbackOk txRollback() throws IOException {
return delegate.txRollback();
}
@Override
public AMQP.Confirm.SelectOk confirmSelect() throws IOException {
this.usesPublisherConfirms = true;
return delegate.confirmSelect();
}
@Override
public long getNextPublishSeqNo() {
return delegate.getNextPublishSeqNo();
}
@Override
public boolean waitForConfirms() throws InterruptedException {
return delegate.waitForConfirms();
}
@Override
public boolean waitForConfirms(long timeout) throws InterruptedException, TimeoutException {
return delegate.waitForConfirms(timeout);
}
@Override
public void waitForConfirmsOrDie() throws IOException, InterruptedException {
delegate.waitForConfirmsOrDie();
}
@Override
public void waitForConfirmsOrDie(long timeout) throws IOException, InterruptedException, TimeoutException {
delegate.waitForConfirmsOrDie(timeout);
}
@Override
public void asyncRpc(Method method) throws IOException {
delegate.asyncRpc(method);
}
@Override
public Command rpc(Method method) throws IOException {
return delegate.rpc(method);
}
/**
* @see Connection#addShutdownListener(com.rabbitmq.client.ShutdownListener)
*/
@Override
public void addShutdownListener(ShutdownListener listener) {
this.shutdownHooks.add(listener);
delegate.addShutdownListener(listener);
}
@Override
public void removeShutdownListener(ShutdownListener listener) {
this.shutdownHooks.remove(listener);
delegate.removeShutdownListener(listener);
}
@Override
public ShutdownSignalException getCloseReason() {
return delegate.getCloseReason();
}
@Override
public void notifyListeners() {
delegate.notifyListeners();
}
@Override
public boolean isOpen() {
return delegate.isOpen();
}
@Override
public void addRecoveryListener(RecoveryListener listener) {
this.recoveryListeners.add(listener);
}
@Override
public void removeRecoveryListener(RecoveryListener listener) {
this.recoveryListeners.remove(listener);
}
//
// Recovery
//
public void automaticallyRecover(AutorecoveringConnection connection, Connection connDelegate) throws IOException {
RecoveryAwareChannelN defunctChannel = this.delegate;
this.connection = connection;
final RecoveryAwareChannelN newChannel = (RecoveryAwareChannelN) connDelegate.createChannel(this.getChannelNumber());
if (newChannel == null)
throw new IOException("Failed to create new channel for channel number=" + this.getChannelNumber() + " during recovery");
this.delegate = newChannel;
this.delegate.inheritOffsetFrom(defunctChannel);
this.notifyRecoveryListenersStarted();
this.recoverShutdownListeners();
this.recoverReturnListeners();
this.recoverConfirmListeners();
this.recoverState();
this.notifyRecoveryListenersComplete();
}
private void recoverShutdownListeners() {
for (ShutdownListener sh : this.shutdownHooks) {
this.delegate.addShutdownListener(sh);
}
}
private void recoverReturnListeners() {
for(ReturnListener rl : this.returnListeners) {
this.delegate.addReturnListener(rl);
}
}
private void recoverConfirmListeners() {
for(ConfirmListener cl : this.confirmListeners) {
this.delegate.addConfirmListener(cl);
}
}
private void recoverState() throws IOException {
if (this.prefetchCountConsumer != 0) {
basicQos(this.prefetchCountConsumer, false);
}
if (this.prefetchCountGlobal != 0) {
basicQos(this.prefetchCountGlobal, true);
}
if(this.usesPublisherConfirms) {
this.confirmSelect();
}
if(this.usesTransactions) {
this.txSelect();
}
}
private void notifyRecoveryListenersComplete() {
for (RecoveryListener f : this.recoveryListeners) {
f.handleRecovery(this);
}
}
private void notifyRecoveryListenersStarted() {
for (RecoveryListener f : this.recoveryListeners) {
f.handleRecoveryStarted(this);
}
}
private void recordQueueBinding(String queue, String exchange, String routingKey, Map<String, Object> arguments) {
this.connection.recordQueueBinding(this, queue, exchange, routingKey, arguments);
}
private boolean deleteRecordedQueueBinding(String queue, String exchange, String routingKey, Map<String, Object> arguments) {
return this.connection.deleteRecordedQueueBinding(this, queue, exchange, routingKey, arguments);
}
private void recordExchangeBinding(String destination, String source, String routingKey, Map<String, Object> arguments) {
this.connection.recordExchangeBinding(this, destination, source, routingKey, arguments);
}
private boolean deleteRecordedExchangeBinding(String destination, String source, String routingKey, Map<String, Object> arguments) {
return this.connection.deleteRecordedExchangeBinding(this, destination, source, routingKey, arguments);
}
private void recordQueue(AMQP.Queue.DeclareOk ok, RecordedQueue q) {
this.connection.recordQueue(ok, q);
}
private void recordQueue(String queue, RecordedQueue meta) {
this.connection.recordQueue(queue, meta);
}
private void deleteRecordedQueue(String queue) {
this.connection.deleteRecordedQueue(queue);
}
private void recordExchange(String exchange, RecordedExchange x) {
this.connection.recordExchange(exchange, x);
}
private void deleteRecordedExchange(String exchange) {
this.connection.deleteRecordedExchange(exchange);
}
private void recordConsumer(String result,
String queue,
boolean autoAck,
boolean exclusive,
Map<String, Object> arguments,
Consumer callback) {
RecordedConsumer consumer = new RecordedConsumer(this, queue).
autoAck(autoAck).
consumerTag(result).
exclusive(exclusive).
arguments(arguments).
consumer(callback);
this.consumerTags.add(result);
this.connection.recordConsumer(result, consumer);
}
private RecordedConsumer deleteRecordedConsumer(String consumerTag) {
this.consumerTags.remove(consumerTag);
return this.connection.deleteRecordedConsumer(consumerTag);
}
private void maybeDeleteRecordedAutoDeleteQueue(String queue) {
this.connection.maybeDeleteRecordedAutoDeleteQueue(queue);
}
private void maybeDeleteRecordedAutoDeleteExchange(String exchange) {
this.connection.maybeDeleteRecordedAutoDeleteExchange(exchange);
}
void updateConsumerTag(String tag, String newTag) {
synchronized (this.consumerTags) {
consumerTags.remove(tag);
consumerTags.add(newTag);
}
}
@Override
public String toString() {
return this.delegate.toString();
}
}