01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.server.thread;
31:
32: import com.caucho.util.L10N;
33: import com.caucho.util.ThreadPool;
34:
35: import java.util.concurrent.Executor;
36: import java.util.logging.Logger;
37:
38: /**
39: * A generic pool of threads available for Alarms and Work tasks.
40: */
41: public class ResinThreadPoolExecutor implements Executor {
42: private static final L10N L = new L10N(
43: ResinThreadPoolExecutor.class);
44: private static final Logger log = Logger
45: .getLogger(ResinThreadPoolExecutor.class.getName());
46:
47: private static ResinThreadPoolExecutor _service = new ResinThreadPoolExecutor();
48:
49: private ThreadPool _threadPool = ThreadPool.getThreadPool();
50:
51: private ResinThreadPoolExecutor() {
52: }
53:
54: public static ResinThreadPoolExecutor getThreadPool() {
55: return _service;
56: }
57:
58: //
59: // java.util.concurrent
60: //
61:
62: public void execute(Runnable task) {
63: if (task == null)
64: throw new NullPointerException();
65:
66: _threadPool.schedule(task);
67: }
68:
69: /**
70: * Resets the thread pool, letting old threads drain.
71: */
72: public void stopEnvironment(ClassLoader env) {
73: _threadPool.closeEnvironment(env);
74: }
75:
76: public String toString() {
77: return "ResinThreadPoolExecutor[]";
78: }
79: }
|