org.apache.activemq.transport

Class TransportFilter

java.lang.Object

org.apache.activemq.transport.TransportFilter

All Implemented Interfaces:

Service, Transport, TransportListener

Direct Known Subclasses:

AbstractInactivityMonitor, CommandJoiner, DiscoveryTransport, MarshallingTransportFilter, MutexTransport, ResponseCorrelator, ResponseRedirectInterceptor, ThreadNameFilter, WireFormatNegotiator, WriteTimeoutFilter

public class TransportFilter
extends Object
implements TransportListener, Transport

Field Summary

Fields

Modifier and Type	Field and Description
protected Transport	next
protected TransportListener	transportListener

Constructor Summary

Constructors

Constructor and Description
TransportFilter(Transport next)

Method Summary

Methods

Modifier and Type	Method and Description
FutureResponse	asyncRequest(Object command, ResponseCallback responseCallback) An asynchronous request response where the Receipt will be returned in the future.
Transport	getNext()
int	getReceiveCounter() Returns a counter which gets incremented as data is read from the transport.
String	getRemoteAddress()
TransportListener	getTransportListener() Returns the current transport listener
boolean	isConnected()
boolean	isDisposed()
boolean	isFaultTolerant() Indicates if the transport can handle faults
boolean	isReconnectSupported()
boolean	isUpdateURIsSupported()
<T> T	narrow(Class<T> target)
void	onCommand(Object command) called to process a command
void	oneway(Object command) A one way asynchronous send
void	onException(IOException error) An unrecoverable exception has occured on the transport
void	reconnect(URI uri) reconnect to another location
Object	request(Object command) A synchronous request response
Object	request(Object command, int timeout) A synchronous request response
void	setTransportListener(TransportListener channelListener) Registers an inbound command listener
void	start()
void	stop()
String	toString()
void	transportInterupted() The transport has suffered an interuption from which it hopes to recover
void	transportResumed() The transport has resumed after an interuption
void	updateURIs(boolean rebalance, URI[] uris) Provide a list of available alternative locations

Methods inherited from class java.lang.Object

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

Field Detail

next

protected final Transport next

transportListener

protected TransportListener transportListener

Constructor Detail

TransportFilter

public TransportFilter(Transport next)

Method Detail

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 channelListener)

Description copied from interface: Transport

Registers an inbound command listener

Specified by:

setTransportListener in interface Transport

start

public void start()
           throws Exception

Specified by:

start in interface Service

Throws:

IOException - if the next channel has not been set.

Exception

See Also:

Service.start()

stop

public void stop()
          throws Exception

Specified by:

stop in interface Service

Throws:

Exception

See Also:

Service.stop()

onCommand

public void onCommand(Object command)

Description copied from interface: TransportListener

called to process a command

Specified by:

onCommand in interface TransportListener

getNext

public Transport getNext()

Returns:

Returns the next.

toString

public String toString()

Overrides:

toString in class Object

oneway

public void oneway(Object command)
            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

onException

public void onException(IOException error)

Description copied from interface: TransportListener

An unrecoverable exception has occured on the transport

Specified by:

onException in interface TransportListener

transportInterupted

public void transportInterupted()

Description copied from interface: TransportListener

The transport has suffered an interuption from which it hopes to recover

Specified by:

transportInterupted in interface TransportListener

transportResumed

public void transportResumed()

Description copied from interface: TransportListener

The transport has resumed after an interuption

Specified by:

transportResumed in interface TransportListener

narrow

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

Specified by:

narrow in interface Transport

Returns:

the target

getRemoteAddress

public String getRemoteAddress()

Specified by:

getRemoteAddress in interface Transport

Returns:

the remote address for this connection

isFaultTolerant

public boolean isFaultTolerant()

Description copied from interface: Transport

Indicates if the transport can handle faults

Specified by:

isFaultTolerant in interface Transport

Returns:

See Also:

Transport.isFaultTolerant()

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

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

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.

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 rebalance,
              URI[] uris)
                throws IOException

Description copied from interface: Transport

Provide a list of available alternative locations

Specified by:

updateURIs in interface Transport

Throws:

IOException