com.rabbitmq.client.impl

Class ChannelN

java.lang.Object

com.rabbitmq.client.impl.ShutdownNotifierComponent

com.rabbitmq.client.impl.AMQChannel

com.rabbitmq.client.impl.ChannelN

All Implemented Interfaces:

Channel, ShutdownNotifier

Direct Known Subclasses:

RecoveryAwareChannelN

public class ChannelN
extends AMQChannel
implements Channel

Main interface to AMQP protocol functionality. Public API - Implementation of all AMQChannels except channel zero.

To open a channel,

 Connection conn = ...;
 ChannelN ch1 = conn.createChannel();
 

Nested Class Summary

Nested classes/interfaces inherited from class com.rabbitmq.client.impl.AMQChannel

AMQChannel.BlockingRpcContinuation<T>, AMQChannel.RpcContinuation, AMQChannel.SimpleBlockingRpcContinuation

Field Summary

Fields inherited from class com.rabbitmq.client.impl.AMQChannel

_blockContent, _channelMutex

Constructor Summary

Constructors

Constructor and Description
ChannelN(AMQConnection connection, int channelNumber, ConsumerWorkService workService) Construct a new channel on the given connection with the given channel number.

Method Summary

Methods

Modifier and Type	Method and Description
void	abort() Public API - Abort this channel with the AMQP.REPLY_SUCCESS close code and message 'OK'.
void	abort(int closeCode, java.lang.String closeMessage) Public API - Abort this channel.
void	addConfirmListener(ConfirmListener listener) Add a ConfirmListener.
void	addFlowListener(FlowListener listener) Deprecated.
void	addReturnListener(ReturnListener listener) Add a ReturnListener.
void	asyncRpc(Method method) Asynchronously send a method over this channel.
void	basicAck(long deliveryTag, boolean multiple) Public API - Acknowledge one or several received messages.
void	basicCancel(java.lang.String consumerTag) Public API - Cancel a consumer.
java.lang.String	basicConsume(java.lang.String queue, boolean autoAck, Consumer callback) Public API - Start a non-nolocal, non-exclusive consumer, with a server-generated consumerTag.
java.lang.String	basicConsume(java.lang.String queue, boolean autoAck, java.util.Map<java.lang.String,java.lang.Object> arguments, Consumer callback) Public API - Start a non-nolocal, non-exclusive consumer, with a server-generated consumerTag and specified arguments.
java.lang.String	basicConsume(java.lang.String queue, boolean autoAck, java.lang.String consumerTag, boolean noLocal, boolean exclusive, java.util.Map<java.lang.String,java.lang.Object> arguments, Consumer callback) Public API - Start a consumer.
java.lang.String	basicConsume(java.lang.String queue, boolean autoAck, java.lang.String consumerTag, Consumer callback) Public API - Start a non-nolocal, non-exclusive consumer.
java.lang.String	basicConsume(java.lang.String queue, Consumer callback) Public API - Start a non-nolocal, non-exclusive consumer, with explicit acknowledgement and a server-generated consumerTag.
GetResponse	basicGet(java.lang.String queue, boolean autoAck) Public API - Retrieve a message from a queue using AMQP.Basic.Get
void	basicNack(long deliveryTag, boolean multiple, boolean requeue) Public API - Reject one or several received messages.
void	basicPublish(java.lang.String exchange, java.lang.String routingKey, AMQP.BasicProperties props, byte[] body) Public API - Publish a message.
void	basicPublish(java.lang.String exchange, java.lang.String routingKey, boolean mandatory, AMQP.BasicProperties props, byte[] body) Public API - Publish a message.
void	basicPublish(java.lang.String exchange, java.lang.String routingKey, boolean mandatory, boolean immediate, AMQP.BasicProperties props, byte[] body) Public API - Publish a message.
void	basicQos(int prefetchCount) Public API - Request a specific prefetchCount "quality of service" settings for this channel.
void	basicQos(int prefetchCount, boolean global) Public API - Request a specific prefetchCount "quality of service" settings for this channel.
void	basicQos(int prefetchSize, int prefetchCount, boolean global) Public API - Request specific "quality of service" settings.
AMQImpl.Basic.RecoverOk	basicRecover() Public API - Ask the broker to resend unacknowledged messages.
AMQImpl.Basic.RecoverOk	basicRecover(boolean requeue) Public API - Ask the broker to resend unacknowledged messages.
void	basicReject(long deliveryTag, boolean requeue) Public API - Reject a message.
void	clearConfirmListeners() Remove all ConfirmListeners.
void	clearFlowListeners() Deprecated.
void	clearReturnListeners() Remove all ReturnListeners.
void	close() Public API - Close this channel with the AMQP.REPLY_SUCCESS close code and message 'OK'.
void	close(int closeCode, java.lang.String closeMessage) Public API - Close this channel.
protected void	close(int closeCode, java.lang.String closeMessage, boolean initiatedByApplication, java.lang.Throwable cause, boolean abort) Protected API - Close channel with code and message, indicating the source of the closure and a causing exception (null if none).
AMQImpl.Confirm.SelectOk	confirmSelect() Public API - Enables publisher acknowledgements on this channel.
void	enqueueRpc(AMQChannel.RpcContinuation k)
AMQImpl.Exchange.BindOk	exchangeBind(java.lang.String destination, java.lang.String source, java.lang.String routingKey) Public API - Bind an exchange to an exchange, with no extra arguments.
AMQImpl.Exchange.BindOk	exchangeBind(java.lang.String destination, java.lang.String source, java.lang.String routingKey, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Bind an exchange to an exchange.
void	exchangeBindNoWait(java.lang.String destination, java.lang.String source, java.lang.String routingKey, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Like Channel.exchangeBind(String, String, String, java.util.Map) but sets nowait parameter to true and returns void (as there will be no response from the server).
AMQImpl.Exchange.DeclareOk	exchangeDeclare(java.lang.String exchange, java.lang.String type) Public API - Actively declare a non-autodelete, non-durable exchange with no extra arguments
AMQImpl.Exchange.DeclareOk	exchangeDeclare(java.lang.String exchange, java.lang.String type, boolean durable) Public API - Actively declare a non-autodelete exchange with no extra arguments
AMQImpl.Exchange.DeclareOk	exchangeDeclare(java.lang.String exchange, java.lang.String type, boolean durable, boolean autoDelete, boolean internal, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Declare an exchange, via an interface that allows the complete set of arguments.
AMQImpl.Exchange.DeclareOk	exchangeDeclare(java.lang.String exchange, java.lang.String type, boolean durable, boolean autoDelete, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Declare an exchange.
void	exchangeDeclareNoWait(java.lang.String exchange, java.lang.String type, boolean durable, boolean autoDelete, boolean internal, java.util.Map<java.lang.String,java.lang.Object> arguments) Like Channel.exchangeDeclare(String, String, boolean, boolean, java.util.Map) but sets nowait parameter to true and returns nothing (as there will be no response from the server).
AMQImpl.Exchange.DeclareOk	exchangeDeclarePassive(java.lang.String exchange) Public API - Declare an exchange passively; that is, check if the named exchange exists.
AMQImpl.Exchange.DeleteOk	exchangeDelete(java.lang.String exchange) Public API - Delete an exchange, without regard for whether it is in use or not
AMQImpl.Exchange.DeleteOk	exchangeDelete(java.lang.String exchange, boolean ifUnused) Public API - Delete an exchange
void	exchangeDeleteNoWait(java.lang.String exchange, boolean ifUnused) Public API - Like Channel.exchangeDelete(String, boolean) but sets nowait parameter to true and returns void (as there will be no response from the server).
AMQImpl.Exchange.UnbindOk	exchangeUnbind(java.lang.String destination, java.lang.String source, java.lang.String routingKey) Public API - Unbind an exchange from an exchange, with no extra arguments.
AMQImpl.Exchange.UnbindOk	exchangeUnbind(java.lang.String destination, java.lang.String source, java.lang.String routingKey, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Unbind an exchange from an exchange.
void	exchangeUnbindNoWait(java.lang.String destination, java.lang.String source, java.lang.String routingKey, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Same as Channel.exchangeUnbind(String, String, String, java.util.Map) but sets no-wait parameter to true and returns nothing (as there will be no response from the server).
boolean	flowBlocked() Deprecated.
Consumer	getDefaultConsumer() Returns the current default consumer.
long	getNextPublishSeqNo() Public API - When in confirm mode, returns the sequence number of the next message to be published.
protected void	markRpcFinished()
void	open() Package method: open the channel.
boolean	processAsync(Command command) Protected API - Filters the inbound command stream, processing Basic.Deliver, Basic.Return and Channel.Close specially.
protected void	processDelivery(Command command, AMQImpl.Basic.Deliver method)
void	processShutdownSignal(ShutdownSignalException signal, boolean ignoreClosed, boolean notifyRpc) Protected API - overridden to quiesce consumer work and broadcast the signal to all consumers after calling the superclass's method.
AMQImpl.Queue.BindOk	queueBind(java.lang.String queue, java.lang.String exchange, java.lang.String routingKey) Public API - Bind a queue to an exchange, with no extra arguments.
AMQImpl.Queue.BindOk	queueBind(java.lang.String queue, java.lang.String exchange, java.lang.String routingKey, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Bind a queue to an exchange.
void	queueBindNoWait(java.lang.String queue, java.lang.String exchange, java.lang.String routingKey, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Same as Channel.queueDeclare(String, boolean, boolean, boolean, java.util.Map) but sets nowait parameter to true and returns void (as there will be no response from the server).
AMQP.Queue.DeclareOk	queueDeclare() Public API - Actively declare a server-named exclusive, autodelete, non-durable queue.
AMQImpl.Queue.DeclareOk	queueDeclare(java.lang.String queue, boolean durable, boolean exclusive, boolean autoDelete, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Declare a queue
void	queueDeclareNoWait(java.lang.String queue, boolean durable, boolean exclusive, boolean autoDelete, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Like Channel.queueDeclare(String, boolean, boolean, boolean, java.util.Map) but sets nowait flag to true and returns no result (as there will be no response from the server).
AMQImpl.Queue.DeclareOk	queueDeclarePassive(java.lang.String queue) Public API - Declare a queue passively; i.e., check if it exists.
AMQImpl.Queue.DeleteOk	queueDelete(java.lang.String queue) Public API - Delete a queue, without regard for whether it is in use or has messages on it
AMQImpl.Queue.DeleteOk	queueDelete(java.lang.String queue, boolean ifUnused, boolean ifEmpty) Public API - Delete a queue
void	queueDeleteNoWait(java.lang.String queue, boolean ifUnused, boolean ifEmpty) Like Channel.queueDelete(String, boolean, boolean) but sets nowait parameter to true and returns nothing (as there will be no response from the server).
AMQImpl.Queue.PurgeOk	queuePurge(java.lang.String queue) Public API - Purges the contents of the given queue.
AMQImpl.Queue.UnbindOk	queueUnbind(java.lang.String queue, java.lang.String exchange, java.lang.String routingKey) Public API - Unbinds a queue from an exchange, with no extra arguments.
AMQImpl.Queue.UnbindOk	queueUnbind(java.lang.String queue, java.lang.String exchange, java.lang.String routingKey, java.util.Map<java.lang.String,java.lang.Object> arguments) Public API - Unbind a queue from an exchange.
boolean	removeConfirmListener(ConfirmListener listener) Remove a ConfirmListener.
boolean	removeFlowListener(FlowListener listener) Deprecated.
boolean	removeReturnListener(ReturnListener listener) Remove a ReturnListener.
AMQCommand	rpc(Method method) Protected API - sends a Method to the broker and waits for the next in-bound Command from the broker: only for use from non-connection-MainLoop threads!
void	setDefaultConsumer(Consumer consumer) Sets the current default consumer.
AMQImpl.Tx.CommitOk	txCommit() Public API - Commits a TX transaction on this channel.
AMQImpl.Tx.RollbackOk	txRollback() Public API - Rolls back a TX transaction on this channel.
AMQImpl.Tx.SelectOk	txSelect() Public API - Enables TX mode on this channel.
boolean	waitForConfirms() Wait until all messages published since the last call have been either ack'd or nack'd by the broker.
boolean	waitForConfirms(long timeout) Wait until all messages published since the last call have been either ack'd or nack'd by the broker; or until timeout elapses.
void	waitForConfirmsOrDie() Wait until all messages published since the last call have been either ack'd or nack'd by the broker.
void	waitForConfirmsOrDie(long timeout) Wait until all messages published since the last call have been either ack'd or nack'd by the broker; or until timeout elapses.

Methods inherited from class com.rabbitmq.client.impl.AMQChannel

ensureIsOpen, exnWrappingRpc, getChannelNumber, getConnection, handleCompleteInboundCommand, handleFrame, isOutstandingRpc, nextOutstandingRpc, notifyOutstandingRpc, quiescingRpc, quiescingTransmit, quiescingTransmit, rpc, rpc, toString, transmit, transmit, wrap, wrap

Methods inherited from class com.rabbitmq.client.impl.ShutdownNotifierComponent

addShutdownListener, getCloseReason, isOpen, notifyListeners, removeShutdownListener, setShutdownCauseIfOpen

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.rabbitmq.client.Channel

getChannelNumber, getConnection

Methods inherited from interface com.rabbitmq.client.ShutdownNotifier

addShutdownListener, getCloseReason, isOpen, notifyListeners, removeShutdownListener

Constructor Detail

ChannelN

public ChannelN(AMQConnection connection,
        int channelNumber,
        ConsumerWorkService workService)

Construct a new channel on the given connection with the given channel number. Usually not called directly - call Connection.createChannel instead.

Parameters:

connection - The connection associated with this channel

channelNumber - The channel number to be associated with this channel

workService - service for managing this channel's consumer callbacks

See Also:

Connection.createChannel()

Method Detail

open

public void open()
          throws java.io.IOException

Package method: open the channel. This is only called from ChannelManager.

Throws:

java.io.IOException - if any problem is encountered

addReturnListener

public void addReturnListener(ReturnListener listener)

Description copied from interface: Channel

Add a ReturnListener.

Specified by:

addReturnListener in interface Channel

Parameters:

listener - the listener to add

removeReturnListener

public boolean removeReturnListener(ReturnListener listener)

Description copied from interface: Channel

Remove a ReturnListener.

Specified by:

removeReturnListener in interface Channel

Parameters:

listener - the listener to remove

Returns:

true if the listener was found and removed, false otherwise

clearReturnListeners

public void clearReturnListeners()

Description copied from interface: Channel

Remove all ReturnListeners.

Specified by:

clearReturnListeners in interface Channel

addFlowListener

@Deprecated
public void addFlowListener(FlowListener listener)

Deprecated.

Description copied from interface: Channel

Add a FlowListener. Deprecated, superseded by TCP back pressure.

Specified by:

addFlowListener in interface Channel

Parameters:

listener - the listener to add

See Also:

Resource-driven alarms

removeFlowListener

@Deprecated
public boolean removeFlowListener(FlowListener listener)

Deprecated.

Description copied from interface: Channel

Remove a FlowListener. Deprecated, superseded by TCP back pressure.

Specified by:

removeFlowListener in interface Channel

Parameters:

listener - the listener to remove

Returns:

true if the listener was found and removed, false otherwise

See Also:

Resource-driven alarms

clearFlowListeners

@Deprecated
public void clearFlowListeners()

Deprecated.

Description copied from interface: Channel

Remove all FlowListeners. Deprecated, superseded by TCP back pressure.

Specified by:

clearFlowListeners in interface Channel

See Also:

Resource-driven alarms

addConfirmListener

public void addConfirmListener(ConfirmListener listener)

Description copied from interface: Channel

Add a ConfirmListener.

Specified by:

addConfirmListener in interface Channel

Parameters:

listener - the listener to add

removeConfirmListener

public boolean removeConfirmListener(ConfirmListener listener)

Description copied from interface: Channel

Remove a ConfirmListener.

Specified by:

removeConfirmListener in interface Channel

Parameters:

listener - the listener to remove

Returns:

true if the listener was found and removed, false otherwise

clearConfirmListeners

public void clearConfirmListeners()

Description copied from interface: Channel

Remove all ConfirmListeners.

Specified by:

clearConfirmListeners in interface Channel

waitForConfirms

public boolean waitForConfirms()
                        throws java.lang.InterruptedException

Wait until all messages published since the last call have been either ack'd or nack'd by the broker. Note, when called on a non-Confirm channel, waitForConfirms throws an IllegalStateException.

Specified by:

waitForConfirms in interface Channel

Returns:

whether all the messages were ack'd (and none were nack'd)

Throws:

java.lang.InterruptedException

waitForConfirms

public boolean waitForConfirms(long timeout)
                        throws java.lang.InterruptedException,
                               java.util.concurrent.TimeoutException

Wait until all messages published since the last call have been either ack'd or nack'd by the broker; or until timeout elapses. If the timeout expires a TimeoutException is thrown. When called on a non-Confirm channel, waitForConfirms throws an IllegalStateException.

Specified by:

waitForConfirms in interface Channel

Returns:

whether all the messages were ack'd (and none were nack'd)

Throws:

java.lang.InterruptedException

java.util.concurrent.TimeoutException

waitForConfirmsOrDie

public void waitForConfirmsOrDie()
                          throws java.io.IOException,
                                 java.lang.InterruptedException

Wait until all messages published since the last call have been either ack'd or nack'd by the broker. If any of the messages were nack'd, waitForConfirmsOrDie will throw an IOException. When called on a non-Confirm channel, it will throw an IllegalStateException.

Specified by:

waitForConfirmsOrDie in interface Channel

Throws:

java.io.IOException

java.lang.InterruptedException

waitForConfirmsOrDie

public void waitForConfirmsOrDie(long timeout)
                          throws java.io.IOException,
                                 java.lang.InterruptedException,
                                 java.util.concurrent.TimeoutException

Wait until all messages published since the last call have been either ack'd or nack'd by the broker; or until timeout elapses. If the timeout expires a TimeoutException is thrown. If any of the messages were nack'd, waitForConfirmsOrDie will throw an IOException. When called on a non-Confirm channel, it will throw an IllegalStateException.

Specified by:

waitForConfirmsOrDie in interface Channel

Throws:

java.io.IOException

java.lang.InterruptedException

java.util.concurrent.TimeoutException

getDefaultConsumer

public Consumer getDefaultConsumer()

Returns the current default consumer.

Specified by:

getDefaultConsumer in interface Channel

Returns:

an interface to the current default consumer.

setDefaultConsumer

public void setDefaultConsumer(Consumer consumer)

Sets the current default consumer. A null argument is interpreted to mean "do not use a default consumer".

Specified by:

setDefaultConsumer in interface Channel

Parameters:

consumer - the consumer to use, or null indicating "don't use one".

processShutdownSignal

public void processShutdownSignal(ShutdownSignalException signal,
                         boolean ignoreClosed,
                         boolean notifyRpc)

Protected API - overridden to quiesce consumer work and broadcast the signal to all consumers after calling the superclass's method.

Overrides:

processShutdownSignal in class AMQChannel

Parameters:

signal - the signal to handle

ignoreClosed - the flag indicating whether to ignore the AlreadyClosedException thrown when the channel is already closed

notifyRpc - the flag indicating whether any remaining rpc continuation should be notified with the given signal

processAsync

public boolean processAsync(Command command)
                     throws java.io.IOException

Protected API - Filters the inbound command stream, processing Basic.Deliver, Basic.Return and Channel.Close specially. If we're in quiescing mode, all inbound commands are ignored, except for Channel.Close and Channel.CloseOk.

Specified by:

processAsync in class AMQChannel

Parameters:

command - the command to handle asynchronously

Returns:

true if we handled the command; otherwise the caller should consider it "unhandled"

Throws:

java.io.IOException

processDelivery

protected void processDelivery(Command command,
                   AMQImpl.Basic.Deliver method)

close

public void close()
           throws java.io.IOException,
                  java.util.concurrent.TimeoutException

Public API - Close this channel with the AMQP.REPLY_SUCCESS close code and message 'OK'.

Specified by:

close in interface Channel

Throws:

java.io.IOException - if an error is encountered

java.util.concurrent.TimeoutException

close

public void close(int closeCode,
         java.lang.String closeMessage)
           throws java.io.IOException,
                  java.util.concurrent.TimeoutException

Public API - Close this channel.

Specified by:

close in interface Channel

Parameters:

closeCode - the close code (See under "Reply Codes" in the AMQP specification)

closeMessage - a message indicating the reason for closing the connection

Throws:

java.io.IOException - if an error is encountered

java.util.concurrent.TimeoutException

abort

public void abort()
           throws java.io.IOException

Public API - Abort this channel with the AMQP.REPLY_SUCCESS close code and message 'OK'. Forces the channel to close and waits for the close operation to complete. Any encountered exceptions in the close operation are silently discarded.

Specified by:

abort in interface Channel

Throws:

java.io.IOException

abort

public void abort(int closeCode,
         java.lang.String closeMessage)
           throws java.io.IOException

Public API - Abort this channel. Forces the channel to close and waits for the close operation to complete. Any encountered exceptions in the close operation are silently discarded.

Specified by:

abort in interface Channel

Throws:

java.io.IOException

close

protected void close(int closeCode,
         java.lang.String closeMessage,
         boolean initiatedByApplication,
         java.lang.Throwable cause,
         boolean abort)
              throws java.io.IOException,
                     java.util.concurrent.TimeoutException

Protected API - Close channel with code and message, indicating the source of the closure and a causing exception (null if none).

Parameters:

closeCode - the close code (See under "Reply Codes" in the AMQP specification)

closeMessage - a message indicating the reason for closing the connection

initiatedByApplication - true if this comes from an API call, false otherwise

cause - exception triggering close

abort - true if we should close and ignore errors

Throws:

java.io.IOException - if an error is encountered

java.util.concurrent.TimeoutException

basicQos

public void basicQos(int prefetchSize,
            int prefetchCount,
            boolean global)
              throws java.io.IOException

Public API - Request specific "quality of service" settings. These settings impose limits on the amount of data the server will deliver to consumers before requiring acknowledgements. Thus they provide a means of consumer-initiated flow control.

Specified by:

basicQos in interface Channel

Parameters:

prefetchSize - maximum amount of content (measured in octets) that the server will deliver, 0 if unlimited

prefetchCount - maximum number of messages that the server will deliver, 0 if unlimited

global - true if the settings should be applied to the entire channel rather than each consumer

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Qos

basicQos

public void basicQos(int prefetchCount,
            boolean global)
              throws java.io.IOException

Public API - Request a specific prefetchCount "quality of service" settings for this channel.

Specified by:

basicQos in interface Channel

Parameters:

prefetchCount - maximum number of messages that the server will deliver, 0 if unlimited

global - true if the settings should be applied to the entire channel rather than each consumer

Throws:

java.io.IOException - if an error is encountered

See Also:

Channel.basicQos(int, int, boolean)

basicQos

public void basicQos(int prefetchCount)
              throws java.io.IOException

Public API - Request a specific prefetchCount "quality of service" settings for this channel.

Specified by:

basicQos in interface Channel

Parameters:

prefetchCount - maximum number of messages that the server will deliver, 0 if unlimited

Throws:

java.io.IOException - if an error is encountered

See Also:

Channel.basicQos(int, int, boolean)

basicPublish

public void basicPublish(java.lang.String exchange,
                java.lang.String routingKey,
                AMQP.BasicProperties props,
                byte[] body)
                  throws java.io.IOException

Public API - Publish a message. Publishing to a non-existent exchange will result in a channel-level protocol exception, which closes the channel. Invocations of Channel#basicPublish will eventually block if a resource-driven alarm is in effect.

Specified by:

basicPublish in interface Channel

Parameters:

exchange - the exchange to publish the message to

routingKey - the routing key

props - other properties for the message - routing headers etc

body - the message body

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Publish, Resource-driven alarms.

basicPublish

public void basicPublish(java.lang.String exchange,
                java.lang.String routingKey,
                boolean mandatory,
                AMQP.BasicProperties props,
                byte[] body)
                  throws java.io.IOException

Public API - Publish a message. Invocations of Channel#basicPublish will eventually block if a resource-driven alarm is in effect.

Specified by:

basicPublish in interface Channel

Parameters:

exchange - the exchange to publish the message to

routingKey - the routing key

mandatory - true if the 'mandatory' flag is to be set

props - other properties for the message - routing headers etc

body - the message body

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Publish, Resource-driven alarms.

basicPublish

public void basicPublish(java.lang.String exchange,
                java.lang.String routingKey,
                boolean mandatory,
                boolean immediate,
                AMQP.BasicProperties props,
                byte[] body)
                  throws java.io.IOException

Public API - Publish a message. Publishing to a non-existent exchange will result in a channel-level protocol exception, which closes the channel. Invocations of Channel#basicPublish will eventually block if a resource-driven alarm is in effect.

Specified by:

basicPublish in interface Channel

Parameters:

exchange - the exchange to publish the message to

routingKey - the routing key

mandatory - true if the 'mandatory' flag is to be set

immediate - true if the 'immediate' flag is to be set. Note that the RabbitMQ server does not support this flag.

props - other properties for the message - routing headers etc

body - the message body

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Publish, Resource-driven alarms.

exchangeDeclare

public AMQImpl.Exchange.DeclareOk exchangeDeclare(java.lang.String exchange,
                                         java.lang.String type,
                                         boolean durable,
                                         boolean autoDelete,
                                         java.util.Map<java.lang.String,java.lang.Object> arguments)
                                           throws java.io.IOException

Public API - Declare an exchange.

Specified by:

exchangeDeclare in interface Channel

Parameters:

exchange - the name of the exchange

type - the exchange type

durable - true if we are declaring a durable exchange (the exchange will survive a server restart)

autoDelete - true if the server should delete the exchange when it is no longer in use

arguments - other properties (construction arguments) for the exchange

Returns:

a declaration-confirm method to indicate the exchange was successfully declared

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Declare, AMQP.Exchange.DeclareOk

exchangeDeclareNoWait

public void exchangeDeclareNoWait(java.lang.String exchange,
                         java.lang.String type,
                         boolean durable,
                         boolean autoDelete,
                         boolean internal,
                         java.util.Map<java.lang.String,java.lang.Object> arguments)
                           throws java.io.IOException

Description copied from interface: Channel

Like Channel.exchangeDeclare(String, String, boolean, boolean, java.util.Map) but sets nowait parameter to true and returns nothing (as there will be no response from the server).

Specified by:

exchangeDeclareNoWait in interface Channel

Parameters:

exchange - the name of the exchange

type - the exchange type

durable - true if we are declaring a durable exchange (the exchange will survive a server restart)

autoDelete - true if the server should delete the exchange when it is no longer in use

internal - true if the exchange is internal, i.e. can't be directly published to by a client.

arguments - other properties (construction arguments) for the exchange

Throws:

java.io.IOException - if an error is encountered

exchangeDeclare

public AMQImpl.Exchange.DeclareOk exchangeDeclare(java.lang.String exchange,
                                         java.lang.String type,
                                         boolean durable,
                                         boolean autoDelete,
                                         boolean internal,
                                         java.util.Map<java.lang.String,java.lang.Object> arguments)
                                           throws java.io.IOException

Public API - Declare an exchange, via an interface that allows the complete set of arguments.

Specified by:

exchangeDeclare in interface Channel

Parameters:

exchange - the name of the exchange

type - the exchange type

durable - true if we are declaring a durable exchange (the exchange will survive a server restart)

autoDelete - true if the server should delete the exchange when it is no longer in use

internal - true if the exchange is internal, i.e. can't be directly published to by a client.

arguments - other properties (construction arguments) for the exchange

Returns:

a declaration-confirm method to indicate the exchange was successfully declared

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Declare, AMQP.Exchange.DeclareOk

exchangeDeclare

public AMQImpl.Exchange.DeclareOk exchangeDeclare(java.lang.String exchange,
                                         java.lang.String type,
                                         boolean durable)
                                           throws java.io.IOException

Public API - Actively declare a non-autodelete exchange with no extra arguments

Specified by:

exchangeDeclare in interface Channel

Parameters:

exchange - the name of the exchange

type - the exchange type

durable - true if we are declaring a durable exchange (the exchange will survive a server restart)

Returns:

a declaration-confirm method to indicate the exchange was successfully declared

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Declare, AMQP.Exchange.DeclareOk

exchangeDeclare

public AMQImpl.Exchange.DeclareOk exchangeDeclare(java.lang.String exchange,
                                         java.lang.String type)
                                           throws java.io.IOException

Public API - Actively declare a non-autodelete, non-durable exchange with no extra arguments

Specified by:

exchangeDeclare in interface Channel

Parameters:

exchange - the name of the exchange

type - the exchange type

Returns:

a declaration-confirm method to indicate the exchange was successfully declared

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Declare, AMQP.Exchange.DeclareOk

exchangeDeclarePassive

public AMQImpl.Exchange.DeclareOk exchangeDeclarePassive(java.lang.String exchange)
                                                  throws java.io.IOException

Public API - Declare an exchange passively; that is, check if the named exchange exists.

Specified by:

exchangeDeclarePassive in interface Channel

Parameters:

exchange - check the existence of an exchange named this

Throws:

java.io.IOException - the server will raise a 404 channel exception if the named exchange does not exist.

exchangeDelete

public AMQImpl.Exchange.DeleteOk exchangeDelete(java.lang.String exchange,
                                       boolean ifUnused)
                                         throws java.io.IOException

Public API - Delete an exchange

Specified by:

exchangeDelete in interface Channel

Parameters:

exchange - the name of the exchange

ifUnused - true to indicate that the exchange is only to be deleted if it is unused

Returns:

a deletion-confirm method to indicate the exchange was successfully deleted

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Delete, AMQP.Exchange.DeleteOk

exchangeDeleteNoWait

public void exchangeDeleteNoWait(java.lang.String exchange,
                        boolean ifUnused)
                          throws java.io.IOException

Public API - Like Channel.exchangeDelete(String, boolean) but sets nowait parameter to true and returns void (as there will be no response from the server).

Specified by:

exchangeDeleteNoWait in interface Channel

Parameters:

exchange - the name of the exchange

ifUnused - true to indicate that the exchange is only to be deleted if it is unused

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Delete, AMQP.Exchange.DeleteOk

exchangeDelete

public AMQImpl.Exchange.DeleteOk exchangeDelete(java.lang.String exchange)
                                         throws java.io.IOException

Public API - Delete an exchange, without regard for whether it is in use or not

Specified by:

exchangeDelete in interface Channel

Parameters:

exchange - the name of the exchange

Returns:

a deletion-confirm method to indicate the exchange was successfully deleted

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Delete, AMQP.Exchange.DeleteOk

exchangeBind

public AMQImpl.Exchange.BindOk exchangeBind(java.lang.String destination,
                                   java.lang.String source,
                                   java.lang.String routingKey,
                                   java.util.Map<java.lang.String,java.lang.Object> arguments)
                                     throws java.io.IOException

Public API - Bind an exchange to an exchange.

Specified by:

exchangeBind in interface Channel

Parameters:

destination - the name of the exchange to which messages flow across the binding

source - the name of the exchange from which messages flow across the binding

routingKey - the routine key to use for the binding

arguments - other properties (binding parameters)

Returns:

a binding-confirm method if the binding was successfully created

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Bind, AMQP.Exchange.BindOk

exchangeBindNoWait

public void exchangeBindNoWait(java.lang.String destination,
                      java.lang.String source,
                      java.lang.String routingKey,
                      java.util.Map<java.lang.String,java.lang.Object> arguments)
                        throws java.io.IOException

Public API - Like Channel.exchangeBind(String, String, String, java.util.Map) but sets nowait parameter to true and returns void (as there will be no response from the server).

Specified by:

exchangeBindNoWait in interface Channel

Parameters:

destination - the name of the exchange to which messages flow across the binding

source - the name of the exchange from which messages flow across the binding

routingKey - the routine key to use for the binding

arguments - other properties (binding parameters)

Throws:

java.io.IOException - if an error is encountered

exchangeBind

public AMQImpl.Exchange.BindOk exchangeBind(java.lang.String destination,
                                   java.lang.String source,
                                   java.lang.String routingKey)
                                     throws java.io.IOException

Public API - Bind an exchange to an exchange, with no extra arguments.

Specified by:

exchangeBind in interface Channel

Parameters:

destination - the name of the exchange to which messages flow across the binding

source - the name of the exchange from which messages flow across the binding

routingKey - the routine key to use for the binding

Returns:

a binding-confirm method if the binding was successfully created

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Bind, AMQP.Exchange.BindOk

exchangeUnbind

public AMQImpl.Exchange.UnbindOk exchangeUnbind(java.lang.String destination,
                                       java.lang.String source,
                                       java.lang.String routingKey,
                                       java.util.Map<java.lang.String,java.lang.Object> arguments)
                                         throws java.io.IOException

Public API - Unbind an exchange from an exchange.

Specified by:

exchangeUnbind in interface Channel

Parameters:

destination - the name of the exchange to which messages flow across the binding

source - the name of the exchange from which messages flow across the binding

routingKey - the routine key to use for the binding

arguments - other properties (binding parameters)

Returns:

a binding-confirm method if the binding was successfully created

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Bind, AMQP.Exchange.BindOk

exchangeUnbind

public AMQImpl.Exchange.UnbindOk exchangeUnbind(java.lang.String destination,
                                       java.lang.String source,
                                       java.lang.String routingKey)
                                         throws java.io.IOException

Public API - Unbind an exchange from an exchange, with no extra arguments.

Specified by:

exchangeUnbind in interface Channel

Parameters:

destination - the name of the exchange to which messages flow across the binding

source - the name of the exchange from which messages flow across the binding

routingKey - the routine key to use for the binding

Returns:

a binding-confirm method if the binding was successfully created

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Exchange.Bind, AMQP.Exchange.BindOk

exchangeUnbindNoWait

public void exchangeUnbindNoWait(java.lang.String destination,
                        java.lang.String source,
                        java.lang.String routingKey,
                        java.util.Map<java.lang.String,java.lang.Object> arguments)
                          throws java.io.IOException

Public API - Same as Channel.exchangeUnbind(String, String, String, java.util.Map) but sets no-wait parameter to true and returns nothing (as there will be no response from the server).

Specified by:

exchangeUnbindNoWait in interface Channel

Parameters:

destination - the name of the exchange to which messages flow across the binding

source - the name of the exchange from which messages flow across the binding

routingKey - the routine key to use for the binding

arguments - other properties (binding parameters)

Throws:

java.io.IOException - if an error is encountered

queueDeclare

public AMQImpl.Queue.DeclareOk queueDeclare(java.lang.String queue,
                                   boolean durable,
                                   boolean exclusive,
                                   boolean autoDelete,
                                   java.util.Map<java.lang.String,java.lang.Object> arguments)
                                     throws java.io.IOException

Public API - Declare a queue

Specified by:

queueDeclare in interface Channel

Parameters:

queue - the name of the queue

durable - true if we are declaring a durable queue (the queue will survive a server restart)

exclusive - true if we are declaring an exclusive queue (restricted to this connection)

autoDelete - true if we are declaring an autodelete queue (server will delete it when no longer in use)

arguments - other properties (construction arguments) for the queue

Returns:

a declaration-confirm method to indicate the queue was successfully declared

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Queue.Declare, AMQP.Queue.DeclareOk

queueDeclare

public AMQP.Queue.DeclareOk queueDeclare()
                                  throws java.io.IOException

Public API - Actively declare a server-named exclusive, autodelete, non-durable queue. The name of the new queue is held in the "queue" field of the AMQP.Queue.DeclareOk result.

Specified by:

queueDeclare in interface Channel

Returns:

a declaration-confirm method to indicate the queue was successfully declared

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Queue.Declare, AMQP.Queue.DeclareOk

queueDeclareNoWait

public void queueDeclareNoWait(java.lang.String queue,
                      boolean durable,
                      boolean exclusive,
                      boolean autoDelete,
                      java.util.Map<java.lang.String,java.lang.Object> arguments)
                        throws java.io.IOException

Public API - Like Channel.queueDeclare(String, boolean, boolean, boolean, java.util.Map) but sets nowait flag to true and returns no result (as there will be no response from the server).

Specified by:

queueDeclareNoWait in interface Channel

Parameters:

queue - the name of the queue

durable - true if we are declaring a durable queue (the queue will survive a server restart)

exclusive - true if we are declaring an exclusive queue (restricted to this connection)

autoDelete - true if we are declaring an autodelete queue (server will delete it when no longer in use)

arguments - other properties (construction arguments) for the queue

Throws:

java.io.IOException - if an error is encountered

queueDeclarePassive

public AMQImpl.Queue.DeclareOk queueDeclarePassive(java.lang.String queue)
                                            throws java.io.IOException

Public API - Declare a queue passively; i.e., check if it exists. In AMQP 0-9-1, all arguments aside from nowait are ignored; and sending nowait makes this method a no-op, so we default it to false.

Specified by:

queueDeclarePassive in interface Channel

Parameters:

queue - the name of the queue

Returns:

a declaration-confirm method to indicate the queue exists

Throws:

java.io.IOException - if an error is encountered, including if the queue does not exist and if the queue is exclusively owned by another connection.

See Also:

AMQP.Queue.Declare, AMQP.Queue.DeclareOk

queueDelete

public AMQImpl.Queue.DeleteOk queueDelete(java.lang.String queue,
                                 boolean ifUnused,
                                 boolean ifEmpty)
                                   throws java.io.IOException

Public API - Delete a queue

Specified by:

queueDelete in interface Channel

Parameters:

queue - the name of the queue

ifUnused - true if the queue should be deleted only if not in use

ifEmpty - true if the queue should be deleted only if empty

Returns:

a deletion-confirm method to indicate the queue was successfully deleted

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Queue.Delete, AMQP.Queue.DeleteOk

queueDeleteNoWait

public void queueDeleteNoWait(java.lang.String queue,
                     boolean ifUnused,
                     boolean ifEmpty)
                       throws java.io.IOException

Description copied from interface: Channel

Like Channel.queueDelete(String, boolean, boolean) but sets nowait parameter to true and returns nothing (as there will be no response from the server).

Specified by:

queueDeleteNoWait in interface Channel

Parameters:

queue - the name of the queue

ifUnused - true if the queue should be deleted only if not in use

ifEmpty - true if the queue should be deleted only if empty

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Queue.Delete, AMQP.Queue.DeleteOk

queueDelete

public AMQImpl.Queue.DeleteOk queueDelete(java.lang.String queue)
                                   throws java.io.IOException

Public API - Delete a queue, without regard for whether it is in use or has messages on it

Specified by:

queueDelete in interface Channel

Parameters:

queue - the name of the queue

Returns:

a deletion-confirm method to indicate the queue was successfully deleted

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Queue.Delete, AMQP.Queue.DeleteOk

queueBind

public AMQImpl.Queue.BindOk queueBind(java.lang.String queue,
                             java.lang.String exchange,
                             java.lang.String routingKey,
                             java.util.Map<java.lang.String,java.lang.Object> arguments)
                               throws java.io.IOException

Public API - Bind a queue to an exchange.

Specified by:

queueBind in interface Channel

Parameters:

queue - the name of the queue

exchange - the name of the exchange

routingKey - the routine key to use for the binding

arguments - other properties (binding parameters)

Returns:

a binding-confirm method if the binding was successfully created

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Queue.Bind, AMQP.Queue.BindOk

queueBind

public AMQImpl.Queue.BindOk queueBind(java.lang.String queue,
                             java.lang.String exchange,
                             java.lang.String routingKey)
                               throws java.io.IOException

Public API - Bind a queue to an exchange, with no extra arguments.

Specified by:

queueBind in interface Channel

Parameters:

queue - the name of the queue

exchange - the name of the exchange

routingKey - the routine key to use for the binding

Returns:

a binding-confirm method if the binding was successfully created

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Queue.Bind, AMQP.Queue.BindOk

queueBindNoWait

public void queueBindNoWait(java.lang.String queue,
                   java.lang.String exchange,
                   java.lang.String routingKey,
                   java.util.Map<java.lang.String,java.lang.Object> arguments)
                     throws java.io.IOException

Public API - Same as Channel.queueDeclare(String, boolean, boolean, boolean, java.util.Map) but sets nowait parameter to true and returns void (as there will be no response from the server).

Specified by:

queueBindNoWait in interface Channel

Parameters:

queue - the name of the queue

exchange - the name of the exchange

routingKey - the routine key to use for the binding

arguments - other properties (binding parameters)

Throws:

java.io.IOException - if an error is encountered

queueUnbind

public AMQImpl.Queue.UnbindOk queueUnbind(java.lang.String queue,
                                 java.lang.String exchange,
                                 java.lang.String routingKey,
                                 java.util.Map<java.lang.String,java.lang.Object> arguments)
                                   throws java.io.IOException

Public API - Unbind a queue from an exchange.

Specified by:

queueUnbind in interface Channel

Parameters:

queue - the name of the queue

exchange - the name of the exchange

routingKey - the routine key to use for the binding

arguments - other properties (binding parameters)

Returns:

an unbinding-confirm method if the binding was successfully deleted

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Queue.Unbind, AMQP.Queue.UnbindOk

queuePurge

public AMQImpl.Queue.PurgeOk queuePurge(java.lang.String queue)
                                 throws java.io.IOException

Public API - Purges the contents of the given queue.

Specified by:

queuePurge in interface Channel

Parameters:

queue - the name of the queue

Returns:

a purge-confirm method if the purge was executed successfully

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Queue.Purge, AMQP.Queue.PurgeOk

queueUnbind

public AMQImpl.Queue.UnbindOk queueUnbind(java.lang.String queue,
                                 java.lang.String exchange,
                                 java.lang.String routingKey)
                                   throws java.io.IOException

Public API - Unbinds a queue from an exchange, with no extra arguments.

Specified by:

queueUnbind in interface Channel

Parameters:

queue - the name of the queue

exchange - the name of the exchange

routingKey - the routine key to use for the binding

Returns:

an unbinding-confirm method if the binding was successfully deleted

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Queue.Unbind, AMQP.Queue.UnbindOk

basicGet

public GetResponse basicGet(java.lang.String queue,
                   boolean autoAck)
                     throws java.io.IOException

Public API - Retrieve a message from a queue using AMQP.Basic.Get

Specified by:

basicGet in interface Channel

Parameters:

queue - the name of the queue

autoAck - true if the server should consider messages acknowledged once delivered; false if the server should expect explicit acknowledgements

Returns:

a GetResponse containing the retrieved message data

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Get, AMQP.Basic.GetOk, AMQP.Basic.GetEmpty

basicAck

public void basicAck(long deliveryTag,
            boolean multiple)
              throws java.io.IOException

Public API - Acknowledge one or several received messages. Supply the deliveryTag from the AMQP.Basic.GetOk or AMQP.Basic.Deliver method containing the received message being acknowledged.

Specified by:

basicAck in interface Channel

Parameters:

deliveryTag - the tag from the received AMQP.Basic.GetOk or AMQP.Basic.Deliver

multiple - true to acknowledge all messages up to and including the supplied delivery tag; false to acknowledge just the supplied delivery tag.

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Ack

basicNack

public void basicNack(long deliveryTag,
             boolean multiple,
             boolean requeue)
               throws java.io.IOException

Public API - Reject one or several received messages. Supply the deliveryTag from the AMQP.Basic.GetOk or AMQP.Basic.GetOk method containing the message to be rejected.

Specified by:

basicNack in interface Channel

Parameters:

deliveryTag - the tag from the received AMQP.Basic.GetOk or AMQP.Basic.Deliver

multiple - true to reject all messages up to and including the supplied delivery tag; false to reject just the supplied delivery tag.

requeue - true if the rejected message(s) should be requeued rather than discarded/dead-lettered

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Nack

basicReject

public void basicReject(long deliveryTag,
               boolean requeue)
                 throws java.io.IOException

Public API - Reject a message. Supply the deliveryTag from the AMQP.Basic.GetOk or AMQP.Basic.Deliver method containing the received message being rejected.

Specified by:

basicReject in interface Channel

Parameters:

deliveryTag - the tag from the received AMQP.Basic.GetOk or AMQP.Basic.Deliver

requeue - true if the rejected message should be requeued rather than discarded/dead-lettered

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Reject

basicConsume

public java.lang.String basicConsume(java.lang.String queue,
                            Consumer callback)
                              throws java.io.IOException

Public API - Start a non-nolocal, non-exclusive consumer, with explicit acknowledgement and a server-generated consumerTag.

Specified by:

basicConsume in interface Channel

Parameters:

queue - the name of the queue

callback - an interface to the consumer object

Returns:

the consumerTag generated by the server

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Consume, AMQP.Basic.ConsumeOk, Channel.basicAck(long, boolean), Channel.basicConsume(String, boolean, String, boolean, boolean, Map, Consumer)

basicConsume

public java.lang.String basicConsume(java.lang.String queue,
                            boolean autoAck,
                            Consumer callback)
                              throws java.io.IOException

Public API - Start a non-nolocal, non-exclusive consumer, with a server-generated consumerTag.

Specified by:

basicConsume in interface Channel

Parameters:

queue - the name of the queue

autoAck - true if the server should consider messages acknowledged once delivered; false if the server should expect explicit acknowledgements

callback - an interface to the consumer object

Returns:

the consumerTag generated by the server

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Consume, AMQP.Basic.ConsumeOk, Channel.basicConsume(String, boolean, String, boolean, boolean, Map, Consumer)

basicConsume

public java.lang.String basicConsume(java.lang.String queue,
                            boolean autoAck,
                            java.util.Map<java.lang.String,java.lang.Object> arguments,
                            Consumer callback)
                              throws java.io.IOException

Public API - Start a non-nolocal, non-exclusive consumer, with a server-generated consumerTag and specified arguments.

Specified by:

basicConsume in interface Channel

Parameters:

queue - the name of the queue

autoAck - true if the server should consider messages acknowledged once delivered; false if the server should expect explicit acknowledgements

arguments - a set of arguments for the consume

callback - an interface to the consumer object

Returns:

the consumerTag generated by the server

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Consume, AMQP.Basic.ConsumeOk, Channel.basicConsume(String, boolean, String, boolean, boolean, Map, Consumer)

basicConsume

public java.lang.String basicConsume(java.lang.String queue,
                            boolean autoAck,
                            java.lang.String consumerTag,
                            Consumer callback)
                              throws java.io.IOException

Public API - Start a non-nolocal, non-exclusive consumer.

Specified by:

basicConsume in interface Channel

Parameters:

queue - the name of the queue

autoAck - true if the server should consider messages acknowledged once delivered; false if the server should expect explicit acknowledgements

consumerTag - a client-generated consumer tag to establish context

callback - an interface to the consumer object

Returns:

the consumerTag associated with the new consumer

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Consume, AMQP.Basic.ConsumeOk, Channel.basicConsume(String, boolean, String, boolean, boolean, Map, Consumer)

basicConsume

public java.lang.String basicConsume(java.lang.String queue,
                            boolean autoAck,
                            java.lang.String consumerTag,
                            boolean noLocal,
                            boolean exclusive,
                            java.util.Map<java.lang.String,java.lang.Object> arguments,
                            Consumer callback)
                              throws java.io.IOException

Public API - Start a consumer. Calls the consumer's Consumer.handleConsumeOk(java.lang.String) method.

Specified by:

basicConsume in interface Channel

Parameters:

queue - the name of the queue

autoAck - true if the server should consider messages acknowledged once delivered; false if the server should expect explicit acknowledgements

consumerTag - a client-generated consumer tag to establish context

noLocal - true if the server should not deliver to this consumer messages published on this channel's connection

exclusive - true if this is an exclusive consumer

arguments - a set of arguments for the consume

callback - an interface to the consumer object

Returns:

the consumerTag associated with the new consumer

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Basic.Consume, AMQP.Basic.ConsumeOk

basicCancel

public void basicCancel(java.lang.String consumerTag)
                 throws java.io.IOException

Public API - Cancel a consumer. Calls the consumer's Consumer.handleCancelOk(java.lang.String) method.

Specified by:

basicCancel in interface Channel

Parameters:

consumerTag - a client- or server-generated consumer tag to establish context

Throws:

java.io.IOException - if an error is encountered, or if the consumerTag is unknown

See Also:

AMQP.Basic.Cancel, AMQP.Basic.CancelOk

basicRecover

public AMQImpl.Basic.RecoverOk basicRecover()
                                     throws java.io.IOException

Public API - Ask the broker to resend unacknowledged messages. In 0-8 basic.recover is asynchronous; in 0-9-1 it is synchronous, and the new, deprecated method basic.recover_async is asynchronous.

Equivalent to calling basicRecover(true), messages will be requeued and possibly delivered to a different consumer.

Specified by:

basicRecover in interface Channel

Throws:

java.io.IOException

See Also:

Channel.basicRecover(boolean)

basicRecover

public AMQImpl.Basic.RecoverOk basicRecover(boolean requeue)
                                     throws java.io.IOException

Public API - Ask the broker to resend unacknowledged messages. In 0-8 basic.recover is asynchronous; in 0-9-1 it is synchronous, and the new, deprecated method basic.recover_async is asynchronous.

Specified by:

basicRecover in interface Channel

Parameters:

requeue - If true, messages will be requeued and possibly delivered to a different consumer. If false, messages will be redelivered to the same consumer.

Throws:

java.io.IOException

txSelect

public AMQImpl.Tx.SelectOk txSelect()
                             throws java.io.IOException

Public API - Enables TX mode on this channel.

Specified by:

txSelect in interface Channel

Returns:

a transaction-selection method to indicate the transaction was successfully initiated

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Tx.Select, AMQP.Tx.SelectOk

txCommit

public AMQImpl.Tx.CommitOk txCommit()
                             throws java.io.IOException

Public API - Commits a TX transaction on this channel.

Specified by:

txCommit in interface Channel

Returns:

a transaction-commit method to indicate the transaction was successfully committed

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Tx.Commit, AMQP.Tx.CommitOk

txRollback

public AMQImpl.Tx.RollbackOk txRollback()
                                 throws java.io.IOException

Public API - Rolls back a TX transaction on this channel.

Specified by:

txRollback in interface Channel

Returns:

a transaction-rollback method to indicate the transaction was successfully rolled back

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Tx.Rollback, AMQP.Tx.RollbackOk

confirmSelect

public AMQImpl.Confirm.SelectOk confirmSelect()
                                       throws java.io.IOException

Public API - Enables publisher acknowledgements on this channel.

Specified by:

confirmSelect in interface Channel

Throws:

java.io.IOException - if an error is encountered

See Also:

AMQP.Confirm.Select

flowBlocked

@Deprecated
public boolean flowBlocked()

Deprecated.

Public API - Deprecated, superseded by TCP back pressure.

Specified by:

flowBlocked in interface Channel

See Also:

Resource-driven alarms

getNextPublishSeqNo

public long getNextPublishSeqNo()

Public API - When in confirm mode, returns the sequence number of the next message to be published.

Specified by:

getNextPublishSeqNo in interface Channel

Returns:

the sequence number of the next message to be published

asyncRpc

public void asyncRpc(Method method)
              throws java.io.IOException

Description copied from interface: Channel

Asynchronously send a method over this channel.

Specified by:

asyncRpc in interface Channel

Parameters:

method - method to transmit over this channel.

Throws:

java.io.IOException - Problem transmitting method.

rpc

public AMQCommand rpc(Method method)
               throws java.io.IOException

Description copied from class: AMQChannel

Protected API - sends a Method to the broker and waits for the next in-bound Command from the broker: only for use from non-connection-MainLoop threads!

Specified by:

rpc in interface Channel

Overrides:

rpc in class AMQChannel

Parameters:

method - method to transmit over this channel.

Returns:

command response to method. Caller should cast as appropriate.

Throws:

java.io.IOException - Problem transmitting method.

enqueueRpc

public void enqueueRpc(AMQChannel.RpcContinuation k)

Overrides:

enqueueRpc in class AMQChannel

markRpcFinished

protected void markRpcFinished()

Overrides:

markRpcFinished in class AMQChannel