Class RabbitResourceHolder

java.lang.Object

org.springframework.transaction.support.ResourceHolderSupport

org.springframework.amqp.rabbit.connection.RabbitResourceHolder

All Implemented Interfaces:

ResourceHolder

public class RabbitResourceHolder
extends ResourceHolderSupport

Rabbit resource holder, wrapping a RabbitMQ Connection and Channel. RabbitTransactionManager binds instances of this class to the thread, for a given Rabbit ConnectionFactory.

Note: This is an SPI class, not intended to be used by applications.

Author:

Mark Fisher, Dave Syer, Gary Russell, Ngoc Nhan

See Also:

• RabbitTransactionManager
• RabbitTemplate

Constructor Summary

Constructors

Constructor	Description
RabbitResourceHolder()	Create a new RabbitResourceHolder that is open for resources to be added.
RabbitResourceHolder(com.rabbitmq.client.Channel channel, boolean releaseAfterCompletion)	Construct an instance for the channel.

Method Summary

Modifier and Type	Method	Description
final void	addChannel(com.rabbitmq.client.Channel channel)
final void	addChannel(com.rabbitmq.client.Channel channel, @Nullable Connection connection)
final void	addConnection(Connection connection)
void	addDeliveryTag(com.rabbitmq.client.Channel channel, long deliveryTag)
void	closeAll()
void	commitAll()
boolean	containsChannel(com.rabbitmq.client.Channel channel)
@Nullable com.rabbitmq.client.Channel	getChannel()
@Nullable Connection	getConnection()
boolean	isReleaseAfterCompletion()	Whether the resources should be released after transaction completion.
void	rollbackAll()
void	setRequeueOnRollback(boolean requeueOnRollback)	Set to true to requeue a message on rollback; default true.

Methods inherited from class org.springframework.transaction.support.ResourceHolderSupport

clear, getDeadline, getTimeToLiveInMillis, getTimeToLiveInSeconds, hasTimeout, isOpen, isRollbackOnly, isSynchronizedWithTransaction, isVoid, released, requested, reset, resetRollbackOnly, setRollbackOnly, setSynchronizedWithTransaction, setTimeoutInMillis, setTimeoutInSeconds, unbound

Methods inherited from class java.lang.Object

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

Constructor Details

RabbitResourceHolder

public RabbitResourceHolder()

Create a new RabbitResourceHolder that is open for resources to be added.

RabbitResourceHolder

public RabbitResourceHolder(com.rabbitmq.client.Channel channel,
 boolean releaseAfterCompletion)

Construct an instance for the channel.

Parameters:

channel - a channel to add

releaseAfterCompletion - true if the channel should be released after completion.

Method Details

isReleaseAfterCompletion

public boolean isReleaseAfterCompletion()

Whether the resources should be released after transaction completion. Default true. Listener containers set to false because the listener continues to use the channel.

Returns:

true if the resources should be released.

setRequeueOnRollback

public void setRequeueOnRollback(boolean requeueOnRollback)

Set to true to requeue a message on rollback; default true.

Parameters:

requeueOnRollback - true to requeue

Since:

1.7.1

addConnection

public final void addConnection(Connection connection)

addChannel

public final void addChannel(com.rabbitmq.client.Channel channel)

addChannel

public final void addChannel(com.rabbitmq.client.Channel channel,
 @Nullable Connection connection)

containsChannel

public boolean containsChannel(com.rabbitmq.client.Channel channel)

getConnection

public @Nullable Connection getConnection()

getChannel

public @Nullable com.rabbitmq.client.Channel getChannel()

commitAll

public void commitAll()
               throws AmqpException

Throws:

AmqpException

closeAll

public void closeAll()

addDeliveryTag

public void addDeliveryTag(com.rabbitmq.client.Channel channel,
 long deliveryTag)

rollbackAll

public void rollbackAll()