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
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+++ 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");
+    }
+
+
+}