diff options
author | Vladimir Glazounov <vg@openoffice.org> | 2003-10-09 09:11:07 +0000 |
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committer | Vladimir Glazounov <vg@openoffice.org> | 2003-10-09 09:11:07 +0000 |
commit | 9449602c7afee37d4d9eb3652b25016c5a8d51d2 (patch) | |
tree | d72cf764286cb614fa73d7fd0766caf6d72de61e | |
parent | 109b85d7eb2b907442f385cc43a5b318a465ad68 (diff) |
INTEGRATION: CWS sb8 (1.1.2); FILE ADDED
2003/10/06 08:34:18 sb 1.1.2.1: #112127# Replacement for ThreadPoolFactory.
-rw-r--r-- | jurt/com/sun/star/lib/uno/environments/remote/ThreadPoolManager.java | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/jurt/com/sun/star/lib/uno/environments/remote/ThreadPoolManager.java b/jurt/com/sun/star/lib/uno/environments/remote/ThreadPoolManager.java new file mode 100644 index 000000000000..f13e60f17ec9 --- /dev/null +++ b/jurt/com/sun/star/lib/uno/environments/remote/ThreadPoolManager.java @@ -0,0 +1,114 @@ +/************************************************************************* + * + * $RCSfile: ThreadPoolManager.java,v $ + * + * $Revision: 1.2 $ + * + * last change: $Author: vg $ $Date: 2003-10-09 10:11:07 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2002 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +package com.sun.star.lib.uno.environments.remote; + +/** + * Manages the UNO thread pool factory. + * + * <P>The thread pool factory is a process-wide resource. It is important that + * all UNO environments within a process share the same thread pool mechanisms: + * if a synchronous UNO call is bridged out from one local UNO environment over + * one remote bridge, and recursively calls back into another local UNO + * environment over another remote bridge, the code in the second environment + * should be executed in the thread that did the original call from the first + * environment.</P> + * + * <P>There are both a Java and a native thread pool factory. A pure Java + * process will always use the Java thread pool factory. A mixed process uses + * the system property <CODE>org.openoffice.native</CODE> (to be set by the + * native code that starts the JVM) to determine which implementation + * to use.</P> + */ +public final class ThreadPoolManager { + /** + * Creates a thread pool instance. + * + * @return a new thread pool instance; will never be <CODE>null</CODE> + */ + public static synchronized IThreadPool create() { + if (useNative) { + return new NativeThreadPool(); + } else { + if (javaFactory == null) { + javaFactory = new JavaThreadPoolFactory(); + } + return javaFactory.createThreadPool(); + } + } + + /** + * Leads to using the native thread pool factory, unless a Java thread pool + * has already been created. + * + * @return <CODE>false</CODE> if a Java thread pool has already been created + */ + public static synchronized boolean useNative() { + useNative = javaFactory == null; + return useNative; + } + + private static boolean useNative + = System.getProperty("org.openoffice.native") != null; + private static JavaThreadPoolFactory javaFactory = null; + + private ThreadPoolManager() {} // do not instantiate +} |