Package org.jboss.ejb3.proxy.clustered.handler.session.stateless

Source Code of org.jboss.ejb3.proxy.clustered.handler.session.stateless.StatelessClusteredProxyInvocationHandler

/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, 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.ejb3.proxy.clustered.handler.session.stateless;

import java.lang.reflect.Proxy;
import java.net.MalformedURLException;

import org.jboss.aop.advice.Interceptor;
import org.jboss.aspects.remoting.FamilyWrapper;
import org.jboss.aspects.remoting.PojiProxy;
import org.jboss.ejb3.proxy.clustered.invocation.InvokableContextClusteredProxyInvocationHandler;
import org.jboss.ejb3.proxy.container.InvokableContext;
import org.jboss.ejb3.proxy.handler.session.stateless.StatelessRemoteProxyInvocationHandler;
import org.jboss.ha.client.loadbalance.LoadBalancePolicy;
import org.jboss.remoting.InvokerLocator;

/**
* StatelessRemoteProxyInvocationHandler
*
* @author <a href="mailto:andrew.rubinger@jboss.org">ALR</a>
* @version $Revision: $
*/
public class StatelessClusteredProxyInvocationHandler extends StatelessRemoteProxyInvocationHandler
{
   // --------------------------------------------------------------------------------||
   // Class Members ------------------------------------------------------------------||
   // --------------------------------------------------------------------------------||
  
   /** The serialVersionUID */
   private static final long serialVersionUID = 2380301898566457305L;

   // --------------------------------------------------------------------------------||
   // Instance Members ---------------------------------------------------------------||
   // --------------------------------------------------------------------------------||
  
   private FamilyWrapper family;
   private LoadBalancePolicy lbPolicy;
   private String partitionName;

   // --------------------------------------------------------------------------------||
   // Constructor --------------------------------------------------------------------||
   // --------------------------------------------------------------------------------||

   /**
    * Constructor
    *
    * @param family clustering target information. Cannot be <code>null</code>.
    * @param lb LoadBalancePolicy implementation. Cannot be <code>null</code>.
    * @param partitionName  name of the cluster partition. Cannot be <code>null</code>.
    */
   public StatelessClusteredProxyInvocationHandler(final String containerName, final String containerGuid,
         final Interceptor[] interceptors, final String businessInterfaceType, final String url,
         FamilyWrapper family, LoadBalancePolicy lb, String partitionName)
   {
      super(containerName, containerGuid, interceptors, businessInterfaceType, url);
     
      assert family != null        : "family is null";
      assert lb != null            : "lb is null";
      assert partitionName != null : "partitionName is null";
     
      this.family = family;
      this.lbPolicy = lb;
      this.partitionName = partitionName; 
   }

   // --------------------------------------------------------------------------------||
   // Functional Methods -------------------------------------------------------------||
   // --------------------------------------------------------------------------------||

   /**
    * Creates and returns a Remoting Proxy to invoke upon the container
    *
    * @param url The location of the remote host holding the Container
    * @return
    */
   //FIXME Mostly a copy of the SFSB Remote Handler, but passing null
   // as a SessionID.  Should be using more intelligent design, SLSB's have
   // no Sessions.  To be reworked in InvokableContextStatefulRemoteProxyInvocationHack,
   // as this implementation is @deprecated
   protected InvokableContext createRemoteProxyToContainer(String url)
   { // Create an InvokerLocator
      InvokerLocator locator = null;
      try
      {
         locator = new InvokerLocator(url);
      }
      catch (MalformedURLException e)
      {
         throw new RuntimeException("Could not create " + InvokerLocator.class.getSimpleName() + " to url \"" + url
               + "\"", e);
      }

      /*
       * Define interceptors
       */

      // Get interceptors from the stack
      Interceptor[] interceptors = this.getInterceptors();

      /*
       * Create Proxy
       */

      // Create a POJI Proxy to the Container
      String containerName = this.getContainerName();
      assert containerName != null && containerName.trim().length() > 0 : "Container Name must be set";
      PojiProxy handler = new InvokableContextClusteredProxyInvocationHandler(this.getContainerName(),
            this.getContainerGuid(), locator, interceptors, null, this.getFamilyWrapper(),
            this.getLoadBalancePolicy(), this.getPartitionName(), false);
      Class<?>[] interfaces = new Class<?>[]
      {InvokableContext.class};
      InvokableContext container = (InvokableContext) Proxy.newProxyInstance(InvokableContext.class.getClassLoader(),
            interfaces, handler);

      // Return
      return container;
   }

   // --------------------------------------------------------------------------------||
   // Accessors / Mutators -----------------------------------------------------------||
   // --------------------------------------------------------------------------------||

   public FamilyWrapper getFamilyWrapper()
   {
      return family;
   }

   public LoadBalancePolicy getLoadBalancePolicy()
   {
      return lbPolicy;
   }

   public String getPartitionName()
   {
      return partitionName;
   }


}
TOP

Related Classes of org.jboss.ejb3.proxy.clustered.handler.session.stateless.StatelessClusteredProxyInvocationHandler

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.