diff options
author | Scott Barta <sbarta@google.com> | 2012-03-01 12:35:35 -0800 |
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committer | Scott Barta <sbarta@google.com> | 2012-03-01 12:40:08 -0800 |
commit | 59b2e6871c65f58fdad78cd7229c292f6a177578 (patch) | |
tree | 2d4e7bfc05b93f40b34675d77e403dd1c25efafd /engine/src/core/com/jme3/asset/ThreadingManager.java | |
parent | f9b30489e75ac1eabc365064959804e99534f7ab (diff) | |
download | jmonkeyengine-59b2e6871c65f58fdad78cd7229c292f6a177578.tar.gz |
Adds the jMonkeyEngine library to the build.
Adds the jMonkeyEngine open source 3D game engine to the build. This
is built as a static library and is only used by the Finsky client.
Change-Id: I06a3f054df7b8a67757267d884854f70c5a16ca0
Diffstat (limited to 'engine/src/core/com/jme3/asset/ThreadingManager.java')
-rw-r--r-- | engine/src/core/com/jme3/asset/ThreadingManager.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/engine/src/core/com/jme3/asset/ThreadingManager.java b/engine/src/core/com/jme3/asset/ThreadingManager.java new file mode 100644 index 0000000..6ed2c74 --- /dev/null +++ b/engine/src/core/com/jme3/asset/ThreadingManager.java @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2009-2010 jMonkeyEngine + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of 'jMonkeyEngine' nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +package com.jme3.asset; + +import java.util.concurrent.Callable; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.ThreadFactory; + +/** + * <code>ThreadingManager</code> manages the threads used to load content + * within the Content Manager system. A pool of threads and a task queue + * is used to load resource data and perform I/O while the application's + * render thread is active. + */ +public class ThreadingManager { + + protected final ExecutorService executor = + Executors.newFixedThreadPool(2, + new LoadingThreadFactory()); + + protected final AssetManager owner; + + protected int nextThreadId = 0; + + public ThreadingManager(AssetManager owner){ + this.owner = owner; + } + + protected class LoadingThreadFactory implements ThreadFactory { + public Thread newThread(Runnable r) { + Thread t = new Thread(r, "pool" + (nextThreadId++)); + t.setDaemon(true); + t.setPriority(Thread.MIN_PRIORITY); + return t; + } + } + + protected class LoadingTask implements Callable<Object> { + private final String resourceName; + public LoadingTask(String resourceName){ + this.resourceName = resourceName; + } + public Object call() throws Exception { + return owner.loadAsset(new AssetKey(resourceName)); + } + } + +// protected class MultiLoadingTask implements Callable<Void> { +// private final String[] resourceNames; +// public MultiLoadingTask(String[] resourceNames){ +// this.resourceNames = resourceNames; +// } +// public Void call(){ +// owner.loadContents(resourceNames); +// return null; +// } +// } + +// public Future<Void> loadContents(String ... names){ +// return executor.submit(new MultiLoadingTask(names)); +// } + +// public Future<Object> loadContent(String name) { +// return executor.submit(new LoadingTask(name)); +// } + + public static boolean isLoadingThread() { + return Thread.currentThread().getName().startsWith("pool"); + } + + +} |