JavaTM Platform, Enterprise Edition, v 5.0
javax.jms
Interface ServerSession
public interface ServerSession
A ServerSession object is an application server object that
is used by a server to associate a thread with a JMS session (optional).
A ServerSession implements two methods:
getSession - returns the ServerSession 's
JMS session.
start - starts the execution of the
ServerSession
thread and results in the execution of the JMS session's
run method.
A ConnectionConsumer implemented by a JMS provider uses a
ServerSession to process one or more messages that have
arrived. It does this by getting a ServerSession from the
ConnectionConsumer 's ServerSessionPool ; getting
the ServerSession 's JMS session; loading it with the messages;
and then starting the ServerSession .
In most cases the ServerSession will register some object
it provides as the ServerSession 's thread run object. The
ServerSession 's start method will call the
thread's start method, which will start the new thread, and
from it, call the run method of the
ServerSession 's run object. This object will do some
housekeeping and then call the Session 's run
method. When run returns, the ServerSession 's run
object can return the ServerSession to the
ServerSessionPool , and the cycle starts again.
Note that the JMS API does not architect how the
ConnectionConsumer loads the Session with
messages. Since both the ConnectionConsumer and
Session are implemented by the same JMS provider, they can
accomplish the load using a private mechanism.
- Version:
- 1.0 - 9 March 1998
- Author:
- Mark Hapner, Rich Burridge
- See Also:
ServerSessionPool ,
ConnectionConsumer
Method Summary |
Session |
getSession()
Return the ServerSession 's Session . |
void |
start()
Cause the Session 's run method to be called
to process messages that were just assigned to it. |
getSession
Session getSession()
throws JMSException
- Return the
ServerSession 's Session . This must
be a Session created by the same Connection
that will be dispatching messages to it. The provider will assign one or
more messages to the Session
and then call start on the ServerSession .
- Returns:
- the server session's session
- Throws:
JMSException - if the JMS provider fails to get the associated
session for this ServerSession due
to some internal error.
start
void start()
throws JMSException
- Cause the
Session 's run method to be called
to process messages that were just assigned to it.
- Throws:
JMSException - if the JMS provider fails to start the server
session to process messages due to some internal
error.
Copyright 2003 Sun Microsystems, Inc. All rights reserved
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