01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * 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.aspects.asynch;
23:
24: import EDU.oswego.cs.dl.util.concurrent.FutureResult;
25: import org.jboss.aop.Dispatcher;
26: import org.jboss.util.id.GUID;
27:
28: import java.lang.reflect.InvocationTargetException;
29:
30: /**
31: * Comment
32: *
33: * @author <a href="mailto:bill@jboss.org">Bill Burke</a>
34: * @version $Revision: 57186 $
35: */
36: public class FutureImpl implements RemotableFuture {
37: private FutureResult result;
38: private GUID remoteObjectID;
39:
40: public FutureImpl(FutureResult result) {
41: this .result = result;
42: }
43:
44: public void setRemoteObjectID(GUID remoteObjectID) {
45: this .remoteObjectID = remoteObjectID;
46: }
47:
48: public void release() {
49: if (remoteObjectID != null) {
50: Dispatcher.singleton.unregisterTarget(remoteObjectID);
51: }
52: }
53:
54: public Object get() throws InterruptedException,
55: InvocationTargetException {
56: try {
57: Object rtn = result.get();
58: release();
59: return rtn;
60: } catch (InvocationTargetException e) {
61: release();
62: throw e;
63: }
64: }
65:
66: public Object get(long milliseconds) throws TimeoutException,
67: InterruptedException, InvocationTargetException {
68: try {
69: Object rtn = result.timedGet(milliseconds);
70: release();
71: return rtn;
72: } catch (EDU.oswego.cs.dl.util.concurrent.TimeoutException e) {
73: throw new TimeoutException(e);
74: } catch (InvocationTargetException e) {
75: release();
76: throw e;
77: }
78: }
79:
80: public boolean isDone() {
81: return result.isReady();
82: }
83:
84: }
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