| | | EJB tutorial from JBoss: Asynchronous call |
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.asynch.client;
import javax.naming.InitialContext;
import org.jboss.aspects.asynch.Future;
import org.jboss.ejb3.asynchronous.Asynch;
import org.jboss.tutorial.asynch.bean.Echo;
public class Client
{
public static void main(String[] args) throws Exception
{
InitialContext ctx = new InitialContext();
Echo echo = (Echo)ctx.lookup("EchoBean/remote");
System.out.println("-------- Synchronous call");
String ret = echo.echo("normal call");
System.out.println(ret);
Echo asynchEcho = (Echo) Asynch.getAsynchronousProxy(echo);
System.out.println("-------- Asynchronous call");
ret = asynchEcho.echo("asynchronous call");
System.out.println("Direct return of async invocation is: " + ret);
System.out.println("-------- Synchronous call");
ret = echo.echo("normal call 2");
System.out.println(ret);
System.out.println("-------- Result of Asynchronous call");
Future future = Asynch.getFutureResult(asynchEcho);
System.out.println("Waiting for asynbch invocation to complete");
while (!future.isDone())
{
Thread.sleep(100);
}
ret = (String)future.get();
System.out.println(ret);
}
}
File: Echo.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.asynch.bean;
/**
* @author <a href="mailto:[email protected]">Kabir Khan</a>
* @version $Revision: 57207 $
*/
public interface Echo
{
String echo(String s);
public int echo(int i);
}
File: EchoBean.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.asynch.bean;
import javax.ejb.Stateless;
import javax.ejb.Remote;
/**
* @author <a href="mailto:[email protected]">Kabir Khan</a>
* @version $Revision: 57207 $
*/
@Stateless
@Remote(Echo.class)
public class EchoBean implements Echo
{
public int echo(int i)
{
return i;
}
public String echo(String s)
{
return s;
}
}
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 jboss-EJB-3.0_RC9_Patch_1.zip( 10,289 k) |
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