[jboss-jira] [JBoss JIRA] Closed: (JBREM-640) Implement an asynchronous method for handling callbacks.
[ http://jira.jboss.com/jira/browse/JBREM-640?page=all ]
Ron Sigal closed JBREM-640.
---------------------------
Resolution: Done
It is now possible to invoke push callbacks asynchronously in a manner analogous to
ordinary asynchronous invocations.
A new interface, org.jboss.remoting.callback.AsynchInvokerCallbackHandler has been
introduced:
public interface AsynchInvokerCallbackHandler extends InvokerCallbackHandler
{
public void handleCallbackOneway(Callback callback) throws HandleCallbackException;
public void handleCallbackOneway(Callback callback, boolean serverSide) throws
HandleCallbackException;
public void handleCallback(Callback callback, boolean asynch, boolean serverSide)
throws HandleCallbackException;
}
and org.jboss.remoting.callback.ServerInvokerCallbackHandler has been updated to implement
AsynchInvokerCallbackHandler.
The serverSide argument to the second and third method is analogous to the clientSide
argument to org.jboss.remoting.Client.invokeOneWay(). If serverSide is true, then the
invocation will be performed in a separate thread on the server side, and if serverSide is
false the invocation will be performed in a separate thread on the client side.
The changes have been committed to remoting_2_x and HEAD.
Unit tests are in org.jboss.test.callback.asynch and are of the form
<transport>AsynchCallbackTestCase.
Implement an asynchronous method for handling callbacks.
--------------------------------------------------------
Key: JBREM-640
URL: http://jira.jboss.com/jira/browse/JBREM-640
Project: JBoss Remoting
Issue Type: Feature Request
Security Level: Public(Everyone can see)
Affects Versions: 2.2.0.Beta1 (Bluto)
Reporter: Ron Sigal
Assigned To: Ron Sigal
Fix For: 2.2.0.Beta1 (Bluto)
Tim Fox:
Currently, it's my understanding that push callbacks (using socket transport anyway)
are synchronous, i.e. the server side thread that executes the callback blocks until the
callback has been delivered to the client side and returned.
Is it currrently possible to execute asynch push callbacks? I.e. the thread that calls
the callback returns immediately once it has registered the callback with remoting. And it
is then delivered on a different thread?
Ideally executing using some kind of executor (e.g. PooledExecutor) with a bounded queue
size which blocks when it is full would be ideal.
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