org.apache.activemq.transport.fanout
Class FanoutTransport

java.lang.Object
  org.apache.activemq.transport.fanout.FanoutTransport

All Implemented Interfaces:

Service, CompositeTransport, Transport

public class FanoutTransport
extends Object
implements CompositeTransport

A Transport that fans out a connection to multiple brokers.

Constructor Summary

FanoutTransport()

Method Summary

void	add(boolean reblance, URI[] uris)
FutureResponse	asyncRequest(Object command, ResponseCallback responseCallback) An asynchronous request response where the Receipt will be returned in the future.
long	getInitialReconnectDelay()
int	getMaxReconnectAttempts()
long	getMaxReconnectDelay()
int	getMinAckCount()
int	getReceiveCounter() Returns a counter which gets incremented as data is read from the transport.
long	getReconnectDelayExponent()
String	getRemoteAddress()
TransportListener	getTransportListener() Returns the current transport listener
boolean	isConnected()
boolean	isDisposed()
boolean	isFanOutQueues()
boolean	isFaultTolerant() Indicates if the transport can handle faults
boolean	isReconnectSupported()
boolean	isUpdateURIsSupported()
<T> T	narrow(Class<T> target)
void	oneway(Object o) A one way asynchronous send
void	reconnect()
void	reconnect(URI uri) reconnect to another location
void	remove(boolean rebalance, URI[] uris)
Object	request(Object command) A synchronous request response
Object	request(Object command, int timeout) A synchronous request response
protected void	restoreTransport(org.apache.activemq.transport.fanout.FanoutTransport.FanoutTransportHandler th)
void	setFanOutQueues(boolean fanOutQueues)
void	setInitialReconnectDelay(long initialReconnectDelay)
void	setMaxReconnectAttempts(int maxReconnectAttempts)
void	setMaxReconnectDelay(long maxReconnectDelay)
void	setMinAckCount(int minAckCount)
void	setReconnectDelayExponent(long reconnectDelayExponent)
void	setTransportListener(TransportListener commandListener) Registers an inbound command listener
void	start()
void	stop()
protected void	transportListenerOnCommand(Command command)
void	updateURIs(boolean reblance, URI[] uris) Provide a list of available alternative locations

Methods inherited from class java.lang.Object

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

Constructor Detail

FanoutTransport

public FanoutTransport()
                throws InterruptedIOException

Throws:

InterruptedIOException

Method Detail

start

public void start()
           throws Exception

Specified by:

start in interface Service

Throws:

Exception

stop

public void stop()
          throws Exception

Specified by:

stop in interface Service

Throws:

Exception

getMinAckCount

public int getMinAckCount()

setMinAckCount

public void setMinAckCount(int minAckCount)

getInitialReconnectDelay

public long getInitialReconnectDelay()

setInitialReconnectDelay

public void setInitialReconnectDelay(long initialReconnectDelay)

getMaxReconnectDelay

public long getMaxReconnectDelay()

setMaxReconnectDelay

public void setMaxReconnectDelay(long maxReconnectDelay)

getReconnectDelayExponent

public long getReconnectDelayExponent()

setReconnectDelayExponent

public void setReconnectDelayExponent(long reconnectDelayExponent)

getMaxReconnectAttempts

public int getMaxReconnectAttempts()

setMaxReconnectAttempts

public void setMaxReconnectAttempts(int maxReconnectAttempts)

oneway

public void oneway(Object o)
            throws IOException

Description copied from interface: Transport

A one way asynchronous send

Specified by:

oneway in interface Transport

Throws:

IOException

asyncRequest

public FutureResponse asyncRequest(Object command,
                                   ResponseCallback responseCallback)
                            throws IOException

Description copied from interface: Transport

An asynchronous request response where the Receipt will be returned in the future. If responseCallback is not null, then it will be called when the response has been completed.

Specified by:

asyncRequest in interface Transport

responseCallback - TODO

Returns:

the FutureResponse

Throws:

IOException

request

public Object request(Object command)
               throws IOException

Description copied from interface: Transport

A synchronous request response

Specified by:

request in interface Transport

Returns:

the response

Throws:

IOException

request

public Object request(Object command,
                      int timeout)
               throws IOException

Description copied from interface: Transport

A synchronous request response

Specified by:

request in interface Transport

Returns:

the repsonse or null if timeout

Throws:

IOException

reconnect

public void reconnect()

getTransportListener

public TransportListener getTransportListener()

Description copied from interface: Transport

Returns the current transport listener

Specified by:

getTransportListener in interface Transport

Returns:

setTransportListener

public void setTransportListener(TransportListener commandListener)

Description copied from interface: Transport

Registers an inbound command listener

Specified by:

setTransportListener in interface Transport

narrow

public <T> T narrow(Class<T> target)

Specified by:

narrow in interface Transport

Returns:

the target

restoreTransport

protected void restoreTransport(org.apache.activemq.transport.fanout.FanoutTransport.FanoutTransportHandler th)
                         throws Exception,
                                IOException

Throws:

Exception

IOException

add

public void add(boolean reblance,
                URI[] uris)

Specified by:

add in interface CompositeTransport

remove

public void remove(boolean rebalance,
                   URI[] uris)

Specified by:

remove in interface CompositeTransport

reconnect

public void reconnect(URI uri)
               throws IOException

Description copied from interface: Transport

reconnect to another location

Specified by:

reconnect in interface Transport

Throws:

IOException - on failure of if not supported

isReconnectSupported

public boolean isReconnectSupported()

Specified by:

isReconnectSupported in interface Transport

Returns:

true if reconnect is supported

isUpdateURIsSupported

public boolean isUpdateURIsSupported()

Specified by:

isUpdateURIsSupported in interface Transport

Returns:

true if updating uris is supported

updateURIs

public void updateURIs(boolean reblance,
                       URI[] uris)
                throws IOException

Description copied from interface: Transport

Provide a list of available alternative locations

Specified by:

updateURIs in interface Transport

Throws:

IOException

getRemoteAddress

public String getRemoteAddress()

Specified by:

getRemoteAddress in interface Transport

Returns:

the remote address for this connection

transportListenerOnCommand

protected void transportListenerOnCommand(Command command)

isFaultTolerant

public boolean isFaultTolerant()

Description copied from interface: Transport

Indicates if the transport can handle faults

Specified by:

isFaultTolerant in interface Transport

Returns:

true if fault tolerant

isFanOutQueues

public boolean isFanOutQueues()

setFanOutQueues

public void setFanOutQueues(boolean fanOutQueues)

isDisposed

public boolean isDisposed()

Specified by:

isDisposed in interface Transport

Returns:

true if the transport is disposed

isConnected

public boolean isConnected()

Specified by:

isConnected in interface Transport

Returns:

true if the transport is connected

getReceiveCounter

public int getReceiveCounter()

Description copied from interface: Transport

Returns a counter which gets incremented as data is read from the transport. It should only be used to determine if there is progress being made in reading the next command from the transport. The value may wrap into the negative numbers.

Specified by:

getReceiveCounter in interface Transport

Returns:

a counter which gets incremented as data is read from the transport.