org.xmlBlaster.jms
Class XBSession

java.lang.Object
  java.lang.Thread
      org.xmlBlaster.jms.XBSession

All Implemented Interfaces:

I_Callback, java.lang.Runnable, javax.jms.Session

Direct Known Subclasses:

XBQueueSession, XBTopicSession

public class XBSession

extends java.lang.Thread

implements javax.jms.Session, I_Callback

XBSession

Author:

Michele Laghi

Field Summary

protected int	ackMode
protected EDU.oswego.cs.dl.util.concurrent.Channel	channel
(package private) XBConnection	connection
protected boolean	connectionActivated
protected java.util.Map	consumerMap
protected java.lang.Thread	controlThread Set in the constructor it can be changed in the update methods (also of the message consumers) only.
protected boolean	durableDefault
protected java.util.HashMap	durableSubscriptionMap
protected javax.jms.ExceptionListener	exceptionListener
protected Global	global
private static java.util.logging.Logger	log
private static java.lang.String	ME
(package private) static int	MODE_ASYNC
(package private) static int	MODE_SYNC
(package private) static int	MODE_UNSET
protected javax.jms.MessageListener	msgListener
protected java.lang.String	msgSelectorDefault
protected boolean	noLocalDefault
protected boolean	open
protected java.lang.String	sessionName
private boolean	started
private I_StatusChangeListener	statusChangeListener
protected int	syncMode
private boolean	tmpBypassCheckSet
protected boolean	transacted
protected long	updateTimeout

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Fields inherited from interface javax.jms.Session

AUTO_ACKNOWLEDGE, CLIENT_ACKNOWLEDGE, DUPS_OK_ACKNOWLEDGE, SESSION_TRANSACTED

Constructor Summary

	XBSession(Global global, int ackMode, boolean transacted) This constructor is used if you want to pass a Global which has already done some work (connected) on the I_XmlBlasterAccess.
(package private)	XBSession(XBConnection connection, int ackMode, boolean transacted) This constructor extracts the global from the ConnectQos.

Method Summary

(package private) void	activateDispatcher(boolean doActivate) Activates or deactivates the dispatcher associated to this session.
(package private) void	checkControlThread()
protected void	checkIfOpen(java.lang.String methodName)
protected void	checkIfTransacted(java.lang.String methodName)
void	close() It disconnects from xmlBlaster and deregisters from its XBConnection
void	commit()
(package private) java.lang.String	connect()
javax.jms.QueueBrowser	createBrowser(javax.jms.Queue queue)
javax.jms.QueueBrowser	createBrowser(javax.jms.Queue queue, java.lang.String msgSelector)
javax.jms.BytesMessage	createBytesMessage()
javax.jms.MessageConsumer	createConsumer(javax.jms.Destination destination) For each consumer created, an own xmlBlaster subscription is done since the msgSelector (i.e.
javax.jms.MessageConsumer	createConsumer(javax.jms.Destination destination, java.lang.String msgSelector)
javax.jms.MessageConsumer	createConsumer(javax.jms.Destination destination, java.lang.String msgSelector, boolean noLocal)
javax.jms.TopicSubscriber	createDurableSubscriber(javax.jms.Topic topic, java.lang.String name)
javax.jms.TopicSubscriber	createDurableSubscriber(javax.jms.Topic topic, java.lang.String name, java.lang.String msgSelector, boolean noLocal)
javax.jms.MapMessage	createMapMessage()
javax.jms.Message	createMessage()
javax.jms.ObjectMessage	createObjectMessage()
javax.jms.ObjectMessage	createObjectMessage(java.io.Serializable content)
javax.jms.MessageProducer	createProducer(javax.jms.Destination destination)
javax.jms.Queue	createQueue(java.lang.String queueName)
XBStreamingMessage	createStreamingMessage(I_ReplaceContent replaceContent)
javax.jms.StreamMessage	createStreamMessage()
javax.jms.TemporaryQueue	createTemporaryQueue()
javax.jms.TemporaryTopic	createTemporaryTopic()
javax.jms.TextMessage	createTextMessage()
javax.jms.TextMessage	createTextMessage(java.lang.String text)
javax.jms.Topic	createTopic(java.lang.String name)
int	getAcknowledgeMode()
javax.jms.MessageListener	getMessageListener()
(package private) int	getSyncMode()
boolean	getTransacted()
(package private) long	getUpdateTimeout()
private void	postConstructor(int ackMode, boolean transacted)
void	recover()
void	rollback()
void	run()
(package private) void	setControlThread(java.lang.Thread controlThread)
void	setMessageListener(javax.jms.MessageListener msgListener)
(package private) void	setStatusChangeListener(I_StatusChangeListener statusChangeListener) registeres the listener about status changes.
(package private) void	setSyncMode(int asyncMode)
void	unsubscribe(java.lang.String subName)
java.lang.String	update(java.lang.String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos) This is the callback method invoked from I_XmlBlasterAccess informing the client in an asynchronous mode about a new message.

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

MODE_UNSET

static final int MODE_UNSET

See Also:

Constant Field Values

MODE_ASYNC

static final int MODE_ASYNC

See Also:

Constant Field Values

MODE_SYNC

static final int MODE_SYNC

See Also:

Constant Field Values

ME

private static final java.lang.String ME

See Also:

Constant Field Values

global

protected Global global

log

private static java.util.logging.Logger log

connection

XBConnection connection

ackMode

protected int ackMode

noLocalDefault

protected final boolean noLocalDefault

See Also:

Constant Field Values

durableDefault

protected final boolean durableDefault

See Also:

Constant Field Values

msgSelectorDefault

protected final java.lang.String msgSelectorDefault

msgListener

protected javax.jms.MessageListener msgListener

durableSubscriptionMap

protected java.util.HashMap durableSubscriptionMap

open

protected boolean open

transacted

protected boolean transacted

syncMode

protected int syncMode

updateTimeout

protected long updateTimeout

consumerMap

protected java.util.Map consumerMap

tmpBypassCheckSet

private boolean tmpBypassCheckSet

controlThread

protected java.lang.Thread controlThread

Set in the constructor it can be changed in the update methods (also of the message consumers) only.

sessionName

protected java.lang.String sessionName

statusChangeListener

private I_StatusChangeListener statusChangeListener

exceptionListener

protected javax.jms.ExceptionListener exceptionListener

connectionActivated

protected boolean connectionActivated

channel

protected EDU.oswego.cs.dl.util.concurrent.Channel channel

started

private boolean started

Constructor Detail

XBSession

XBSession(XBConnection connection,
          int ackMode,
          boolean transacted)

This constructor extracts the global from the ConnectQos. Note that you need to clone the ConnectQos before passing it to this constructor. global contained in the connectQos.

XBSession

public XBSession(Global global,
                 int ackMode,
                 boolean transacted)

This constructor is used if you want to pass a Global which has already done some work (connected) on the I_XmlBlasterAccess. Caution, you will not be able to connect and disconnect if you use this constructor.

Parameters:

global -

ackMode -

transacted -

Method Detail

postConstructor

private final void postConstructor(int ackMode,
                                   boolean transacted)

setStatusChangeListener

void setStatusChangeListener(I_StatusChangeListener statusChangeListener)

registeres the listener about status changes. In general this listener is the owner XBConnection since it needs to be notified everytime one of its sessions is closing. Care must be used when invoking since this is not synchronized.

Parameters:

statusChangeListener -

activateDispatcher

final void activateDispatcher(boolean doActivate)
                       throws XmlBlasterException

Activates or deactivates the dispatcher associated to this session. It does it only if the Session is in ASYNC Mode.

Parameters:

doActivate -

Throws:

XmlBlasterException

connect

java.lang.String connect()
                   throws javax.jms.JMSException

Returns:

a string containing the complete session name.

Throws:

javax.jms.JMSException

checkIfOpen

protected final void checkIfOpen(java.lang.String methodName)
                          throws javax.jms.IllegalStateException

Throws:

javax.jms.IllegalStateException

checkIfTransacted

protected final void checkIfTransacted(java.lang.String methodName)
                                throws javax.jms.IllegalStateException

Throws:

javax.jms.IllegalStateException

checkControlThread

final void checkControlThread()
                       throws javax.jms.JMSException

Throws:

javax.jms.JMSException

createDurableSubscriber

public javax.jms.TopicSubscriber createDurableSubscriber(javax.jms.Topic topic,
                                                         java.lang.String name)
                                                  throws javax.jms.JMSException

Specified by:

createDurableSubscriber in interface javax.jms.Session

Throws:

javax.jms.JMSException

createDurableSubscriber

public javax.jms.TopicSubscriber createDurableSubscriber(javax.jms.Topic topic,
                                                         java.lang.String name,
                                                         java.lang.String msgSelector,
                                                         boolean noLocal)
                                                  throws javax.jms.JMSException

Specified by:

createDurableSubscriber in interface javax.jms.Session

Throws:

javax.jms.JMSException

close

public void close()
           throws javax.jms.JMSException

It disconnects from xmlBlaster and deregisters from its XBConnection

Specified by:

close in interface javax.jms.Session

Throws:

javax.jms.JMSException

commit

public void commit()
            throws javax.jms.JMSException

Specified by:

commit in interface javax.jms.Session

Throws:

javax.jms.JMSException

createBytesMessage

public javax.jms.BytesMessage createBytesMessage()
                                          throws javax.jms.JMSException

Specified by:

createBytesMessage in interface javax.jms.Session

Throws:

javax.jms.JMSException

createMapMessage

public javax.jms.MapMessage createMapMessage()
                                      throws javax.jms.JMSException

Specified by:

createMapMessage in interface javax.jms.Session

Throws:

javax.jms.JMSException

createMessage

public javax.jms.Message createMessage()
                                throws javax.jms.JMSException

Specified by:

createMessage in interface javax.jms.Session

Throws:

javax.jms.JMSException

createObjectMessage

public javax.jms.ObjectMessage createObjectMessage()
                                            throws javax.jms.JMSException

Specified by:

createObjectMessage in interface javax.jms.Session

Throws:

javax.jms.JMSException

createObjectMessage

public javax.jms.ObjectMessage createObjectMessage(java.io.Serializable content)
                                            throws javax.jms.JMSException

Specified by:

createObjectMessage in interface javax.jms.Session

Throws:

javax.jms.JMSException

createStreamMessage

public javax.jms.StreamMessage createStreamMessage()
                                            throws javax.jms.JMSException

Specified by:

createStreamMessage in interface javax.jms.Session

Throws:

javax.jms.JMSException

createStreamingMessage

public XBStreamingMessage createStreamingMessage(I_ReplaceContent replaceContent)
                                          throws javax.jms.JMSException

Throws:

javax.jms.JMSException

createTextMessage

public javax.jms.TextMessage createTextMessage()
                                        throws javax.jms.JMSException

Specified by:

createTextMessage in interface javax.jms.Session

Throws:

javax.jms.JMSException

createTextMessage

public javax.jms.TextMessage createTextMessage(java.lang.String text)
                                        throws javax.jms.JMSException

Specified by:

createTextMessage in interface javax.jms.Session

Throws:

javax.jms.JMSException

getMessageListener

public javax.jms.MessageListener getMessageListener()
                                             throws javax.jms.JMSException

Specified by:

getMessageListener in interface javax.jms.Session

Throws:

javax.jms.JMSException

getTransacted

public boolean getTransacted()
                      throws javax.jms.JMSException

Specified by:

getTransacted in interface javax.jms.Session

Throws:

javax.jms.JMSException

recover

public void recover()
             throws javax.jms.JMSException

Specified by:

recover in interface javax.jms.Session

Throws:

javax.jms.JMSException

rollback

public void rollback()
              throws javax.jms.JMSException

Specified by:

rollback in interface javax.jms.Session

Throws:

javax.jms.JMSException

run

public void run()

Specified by:

run in interface javax.jms.Session

setMessageListener

public void setMessageListener(javax.jms.MessageListener msgListener)
                        throws javax.jms.JMSException

Specified by:

setMessageListener in interface javax.jms.Session

Throws:

javax.jms.JMSException

createQueue

public javax.jms.Queue createQueue(java.lang.String queueName)
                            throws javax.jms.JMSException

Specified by:

createQueue in interface javax.jms.Session

Throws:

javax.jms.JMSException

createBrowser

public javax.jms.QueueBrowser createBrowser(javax.jms.Queue queue)
                                     throws javax.jms.JMSException

Specified by:

createBrowser in interface javax.jms.Session

Throws:

javax.jms.JMSException

createBrowser

public javax.jms.QueueBrowser createBrowser(javax.jms.Queue queue,
                                            java.lang.String msgSelector)
                                     throws javax.jms.JMSException

Specified by:

createBrowser in interface javax.jms.Session

Throws:

javax.jms.JMSException

createTemporaryQueue

public javax.jms.TemporaryQueue createTemporaryQueue()
                                              throws javax.jms.JMSException

Specified by:

createTemporaryQueue in interface javax.jms.Session

Throws:

javax.jms.JMSException

getAcknowledgeMode

public int getAcknowledgeMode()
                       throws javax.jms.JMSException

Specified by:

getAcknowledgeMode in interface javax.jms.Session

Throws:

javax.jms.JMSException

createProducer

public javax.jms.MessageProducer createProducer(javax.jms.Destination destination)
                                         throws javax.jms.JMSException

Specified by:

createProducer in interface javax.jms.Session

Throws:

javax.jms.JMSException

createConsumer

public javax.jms.MessageConsumer createConsumer(javax.jms.Destination destination)
                                         throws javax.jms.JMSException

For each consumer created, an own xmlBlaster subscription is done since the msgSelector (i.e. in xmlBlaster the mime plugin) could be different from one consumer to another. This is done in the constructor of the MessageConsumer and

Specified by:

createConsumer in interface javax.jms.Session

Throws:

javax.jms.JMSException

createConsumer

public javax.jms.MessageConsumer createConsumer(javax.jms.Destination destination,
                                                java.lang.String msgSelector)
                                         throws javax.jms.JMSException

Specified by:

createConsumer in interface javax.jms.Session

Throws:

javax.jms.JMSException

createConsumer

public javax.jms.MessageConsumer createConsumer(javax.jms.Destination destination,
                                                java.lang.String msgSelector,
                                                boolean noLocal)
                                         throws javax.jms.JMSException

Specified by:

createConsumer in interface javax.jms.Session

Throws:

javax.jms.JMSException

createTopic

public javax.jms.Topic createTopic(java.lang.String name)
                            throws javax.jms.JMSException

Specified by:

createTopic in interface javax.jms.Session

Throws:

javax.jms.JMSException

unsubscribe

public void unsubscribe(java.lang.String subName)
                 throws javax.jms.JMSException

Specified by:

unsubscribe in interface javax.jms.Session

Throws:

javax.jms.JMSException

createTemporaryTopic

public javax.jms.TemporaryTopic createTemporaryTopic()
                                              throws javax.jms.JMSException

Specified by:

createTemporaryTopic in interface javax.jms.Session

Throws:

javax.jms.JMSException

update

public java.lang.String update(java.lang.String cbSessionId,
                               UpdateKey updateKey,
                               byte[] content,
                               UpdateQos updateQos)
                        throws XmlBlasterException

Description copied from interface: I_Callback

This is the callback method invoked from I_XmlBlasterAccess informing the client in an asynchronous mode about a new message.

So you should implement in your client code the I_Callback interface - suppling the update() method where you can do with the message whatever you want.

The raw protocol driver specific update() method (e.g. CORBA-BlasterCallback.update()) is unpacked and for each arrived message this update is called.

Specified by:

update in interface I_Callback

Parameters:

cbSessionId - The session ID specified by the client which registered the callback. You can specify a cbSessionId during connection (with ConnectQos) and this is bounced back here so you can authenticate the message.

updateKey - The arrived key containing the topic name

content - The arrived message content. This is your payload.

Throws:

XmlBlasterException

See Also:

I_XmlBlasterAccess

getSyncMode

int getSyncMode()

Returns:

Returns the asyncMode.

setSyncMode

void setSyncMode(int asyncMode)

Parameters:

asyncMode - The asyncMode to set. This method starts the runner thread if not running yet in case async is set.

setControlThread

void setControlThread(java.lang.Thread controlThread)

getUpdateTimeout

long getUpdateTimeout()