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 java.lang.reflect.InvocationTargetException;
25:
26: /**
27: * Comment
28: *
29: * @author <a href="mailto:bill@jboss.org">Bill Burke</a>
30: * @version $Revision: 57186 $
31: */
32: public interface Future {
33: /**
34: * get result, throws Exception of method or InterruptedException
35: */
36: public Object get() throws InterruptedException,
37: InvocationTargetException;
38:
39: /**
40: * get result, throws Exception of method or InterruptedException
41: */
42: public Object get(long milliseconds) throws TimeoutException,
43: InterruptedException, InvocationTargetException;
44:
45: /**
46: * is the method call done?
47: */
48: public boolean isDone();
49:
50: /**
51: * Release this future so that it can be garbaged collected remotely
52: * This is only useful for remote asynchronous.
53: * This is import to call especially for remote otherwise the remote
54: * future on the server will never get garbaged collected.
55: * AsynchProvider will call release if it is holding a Future already
56: * within its threadlocal when a new one is set on it.
57: */
58: public void release();
59: }
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