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Diffstat (limited to 'libjava/classpath/javax/swing/text/LayoutQueue.java')
-rw-r--r-- | libjava/classpath/javax/swing/text/LayoutQueue.java | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/libjava/classpath/javax/swing/text/LayoutQueue.java b/libjava/classpath/javax/swing/text/LayoutQueue.java deleted file mode 100644 index 10fadd5..0000000 --- a/libjava/classpath/javax/swing/text/LayoutQueue.java +++ /dev/null @@ -1,116 +0,0 @@ -/* LayoutQueue.java -- - Copyright (C) 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 javax.swing.text; - -import java.util.LinkedList; - -/** - * This is a queue which holds {@link Runnable} objects. It is - * intended for deferring layout operations. - */ -public class LayoutQueue -{ - // The default layout queue. - private static LayoutQueue defaultQueue = new LayoutQueue(); - - // The queue of tasks. - private LinkedList list = new LinkedList(); - - /** - * Create a new layout queue. - */ - public LayoutQueue() - { - // Nothing to do here. - } - - /** - * Add a layout task to the queue. - */ - public void addTask(Runnable task) - { - synchronized (list) - { - list.addLast(task); - list.notify(); - } - } - - /** - * Called by a worker thread to retrieve the next layout task. This - * will block until a new task is available. This method will - * return null if the thread is interrupted while waiting. - */ - protected Runnable waitForWork() - { - synchronized (list) - { - while (list.size() == 0) - { - try - { - list.wait(); - } - catch (InterruptedException _) - { - // This seemed like a good idea, but it has not been - // tested on the JDK. - return null; - } - } - return (Runnable) list.removeFirst(); - } - } - - /** - * Return the default layout queue. - */ - public static synchronized LayoutQueue getDefaultQueue() - { - return defaultQueue; - } - - /** - * Set the default layout queue. - */ - public static synchronized void setDefaultQueue(LayoutQueue q) - { - defaultQueue = q; - } -} |