diff options
Diffstat (limited to 'libjava/gnu/java/rmi/server/ConnectionRunnerPool.java')
-rw-r--r-- | libjava/gnu/java/rmi/server/ConnectionRunnerPool.java | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/libjava/gnu/java/rmi/server/ConnectionRunnerPool.java b/libjava/gnu/java/rmi/server/ConnectionRunnerPool.java deleted file mode 100644 index 9cc57b2289f..00000000000 --- a/libjava/gnu/java/rmi/server/ConnectionRunnerPool.java +++ /dev/null @@ -1,156 +0,0 @@ -/* gnu.java.rmi.server.ConnectionRunnerPool - Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.rmi.server; - -import java.util.ArrayList; -import java.util.Arrays; - -//Should I generalize this class? - -class ConnectionRunnerPool -{ - - public static - class ConnectionRunner extends Thread{ - private UnicastConnection conn; - private volatile boolean exiting = false; - - public ConnectionRunner(ThreadGroup group, String id){ - super(group, id); - } - - public synchronized void run(){ - while(!exiting){ - if(conn == null) - try{ - wait(); - }catch(InterruptedException e){ - continue; - } - else{ - conn.run(); - conn = null; - synchronized(ConnectionRunnerPool.class){ - freelist.add(this); - if(freelist.size() == 1) - ConnectionRunnerPool.class.notifyAll(); - } - } - } - } - - public synchronized void dispatch(UnicastConnection conn){ - this.conn = conn; - notify(); - } - - void exit(){ - exiting = true; - if(conn != null) - try{ - join(500); - }catch(InterruptedException e){} - interrupt(); - } - - } - - // Should this value equal to number of CPU? - private static int size = 5; - private static int max_size = 10; - - // Package-private to avoid a trampoline. - static ArrayList freelist; - - private static ThreadGroup group = new ThreadGroup("pool"); - - static { - ConnectionRunner[] pools = new ConnectionRunner[size]; - for(int i = 0; i < pools.length; i++){ - pools[i] = new ConnectionRunner(group, new Integer(i).toString()); - pools[i].setContextClassLoader(Thread.currentThread().getContextClassLoader()); - pools[i].start(); - } - freelist = new ArrayList(Arrays.asList(pools)); - } - - public static void setSize(int size_){ - size = size_; - } - - public static void setMaxSize(int size){ - max_size = size; - } - - private static synchronized ConnectionRunner getConnectionRunner() - { - if(freelist.size() == 0){ - if(size < max_size){ - ++size; - ConnectionRunner a = new ConnectionRunner(group, new Integer(size).toString()); - a.start(); - freelist.add(a); - }else - while(freelist.size() == 0) - try{ - ConnectionRunnerPool.class.wait(); - }catch(InterruptedException e){} - } - - // always let the first in pool most busy or other scheduling plan?? - ConnectionRunner a = (ConnectionRunner)freelist.get(0); - freelist.remove(a); - return a; - } - - public static void dispatchConnection(UnicastConnection conn) - { - ConnectionRunner r = getConnectionRunner(); - r.dispatch(conn); - } - - public static void exit() - { - Thread[] list = new Thread[group.activeCount()]; - group.enumerate(list); - for(int i = 0; i < list.length; i++) - ((ConnectionRunner)list[i]).exit(); - } - -} |