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Java > Open Source Codes > org > jboss > ejb3 > service > ServiceRemoteProxy


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.ejb3.service;
23
24 import java.lang.reflect.Method JavaDoc;
25 import java.lang.reflect.Proxy JavaDoc;
26 import org.jboss.aop.Dispatcher;
27 import org.jboss.aop.advice.Interceptor;
28 import org.jboss.aop.joinpoint.MethodInvocation;
29 import org.jboss.aop.util.MethodHashing;
30 import org.jboss.aop.util.PayloadKey;
31 import org.jboss.aspects.asynch.AsynchMixin;
32 import org.jboss.aspects.asynch.AsynchProvider;
33 import org.jboss.aspects.remoting.InvokeRemoteInterceptor;
34 import org.jboss.ejb3.JBossProxy;
35 import org.jboss.ejb3.ProxyUtils;
36 import org.jboss.ejb3.asynchronous.AsynchronousInterceptor;
37 import org.jboss.remoting.InvokerLocator;
38
39 /**
40  * @author <a HREF="mailto:kabir.khan@jboss.org">Kabir Khan</a>
41  * @version $Revision: 37459 $
42  */
43 public class ServiceRemoteProxy extends org.jboss.ejb3.remoting.BaseRemoteProxy
44 {
45    protected InvokerLocator uri;
46    AsynchProvider provider;
47
48    public ServiceRemoteProxy(Object JavaDoc containerId, Interceptor[] interceptors, InvokerLocator uri)
49    {
50       super(containerId, interceptors);
51       this.uri = uri;
52    }
53
54    public ServiceRemoteProxy(AsynchProvider provider, Object JavaDoc containerId, Interceptor[] interceptors, InvokerLocator uri)
55    {
56       super(containerId, interceptors);
57       this.uri = uri;
58       this.provider = provider;
59    }
60
61    protected ServiceRemoteProxy()
62    {
63    }
64
65
66    public Object JavaDoc invoke(Object JavaDoc proxy, Method JavaDoc method, Object JavaDoc[] args)
67            throws Throwable JavaDoc
68    {
69       if (method.getDeclaringClass() == AsynchProvider.class)
70       {
71          return provider.getFuture();
72       }
73
74       long hash = MethodHashing.calculateHash(method);
75       Object JavaDoc ret = ProxyUtils.handleCallLocally((JBossProxy) proxy, this, method, args);
76       if (ret != null)
77       {
78          return ret;
79       }
80
81       MethodInvocation sri = new MethodInvocation(interceptors, hash, method, method, null);
82       sri.setArguments(args);
83       sri.setInstanceResolver(metadata);
84       sri.getMetaData().addMetaData(Dispatcher.DISPATCHER, Dispatcher.OID, containerId, PayloadKey.AS_IS);
85       sri.getMetaData().addMetaData(InvokeRemoteInterceptor.REMOTING, InvokeRemoteInterceptor.INVOKER_LOCATOR, uri, PayloadKey.AS_IS);
86       sri.getMetaData().addMetaData(InvokeRemoteInterceptor.REMOTING, InvokeRemoteInterceptor.SUBSYSTEM, "AOP", PayloadKey.AS_IS);
87
88       if (provider != null)
89       {
90          sri.getMetaData().addMetaData(AsynchronousInterceptor.ASYNCH, AsynchronousInterceptor.INVOKE_ASYNCH, "YES", PayloadKey.AS_IS);
91       }
92       return sri.invokeNext();
93    }
94
95    public Object JavaDoc getAsynchronousProxy(Object JavaDoc proxy)
96    {
97       Class JavaDoc[] infs = proxy.getClass().getInterfaces();
98       if (!ProxyUtils.isAsynchronous(infs))
99       {
100          Class JavaDoc[] interfaces = ProxyUtils.addAsynchProviderInterface(infs);
101          AsynchMixin mixin = new AsynchMixin();
102          Interceptor[] newInterceptors = ProxyUtils.addAsynchProxyInterceptor(mixin, interceptors);
103          ServiceRemoteProxy handler = new ServiceRemoteProxy(mixin, containerId, newInterceptors, uri);
104          return Proxy.newProxyInstance(Thread.currentThread().getContextClassLoader(), interfaces, handler);
105       }
106
107       //I was already asynchronous
108 return proxy;
109    }
110
111
112    public String JavaDoc toString()
113    {
114       return containerId.toString();
115    }
116 }
117
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