com.rabbitmq.client.impl

Class ChannelManager

java.lang.Object

com.rabbitmq.client.impl.ChannelManager

Direct Known Subclasses:

RecoveryAwareChannelManager

public class ChannelManager
extends java.lang.Object

Manages a set of channels, indexed by channel number (1.._channelMax).

Constructor Summary

Constructors

Constructor and Description
ChannelManager(ConsumerWorkService workService, int channelMax)
ChannelManager(ConsumerWorkService workService, int channelMax, java.util.concurrent.ThreadFactory threadFactory)

Method Summary

Methods

Modifier and Type	Method and Description
ChannelN	createChannel(AMQConnection connection)
ChannelN	createChannel(AMQConnection connection, int channelNumber)
ChannelN	getChannel(int channelNumber) Looks up a channel on this connection.
int	getChannelMax()
void	handleSignal(ShutdownSignalException signal) Handle shutdown.
protected ChannelN	instantiateChannel(AMQConnection connection, int channelNumber, ConsumerWorkService workService)
void	releaseChannelNumber(ChannelN channel) Remove the channel from the channel map and free the number for re-use.

Methods inherited from class java.lang.Object

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

Constructor Detail

ChannelManager

public ChannelManager(ConsumerWorkService workService,
              int channelMax)

ChannelManager

public ChannelManager(ConsumerWorkService workService,
              int channelMax,
              java.util.concurrent.ThreadFactory threadFactory)

Method Detail

getChannelMax

public int getChannelMax()

getChannel

public ChannelN getChannel(int channelNumber)

Looks up a channel on this connection.

Parameters:

channelNumber - the number of the required channel

Returns:

the channel on this connection with number channelNumber

Throws:

UnknownChannelException - if there is no channel with number channelNumber on this connection

handleSignal

public void handleSignal(ShutdownSignalException signal)

Handle shutdown. All the managed Channels are shutdown.

Parameters:

signal - reason for shutdown

createChannel

public ChannelN createChannel(AMQConnection connection)
                       throws java.io.IOException

Throws:

java.io.IOException

createChannel

public ChannelN createChannel(AMQConnection connection,
                     int channelNumber)
                       throws java.io.IOException

Throws:

java.io.IOException

instantiateChannel

protected ChannelN instantiateChannel(AMQConnection connection,
                          int channelNumber,
                          ConsumerWorkService workService)

releaseChannelNumber

public void releaseChannelNumber(ChannelN channel)

Remove the channel from the channel map and free the number for re-use. This method must be safe to call multiple times on the same channel. If it is not then things go badly wrong.