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Modified to do the method lookups on first class

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access and removed the (now) unnecessary threading
synchronization stuff.


git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9528 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
PSp..om 2012-06-26 06:58:59 +00:00
parent 1d6fc2f9d6
commit d649505a6c
1 changed files with 15 additions and 26 deletions
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41
engine/src/core/com/jme3/util/BufferUtils.java
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@ -1145,7 +1145,6 @@ public final class BufferUtils {
}
}
private static final AtomicBoolean loadedMethods = new AtomicBoolean(false);
private static Method cleanerMethod = null;
private static Method cleanMethod = null;
private static Method viewedBufferMethod = null;
@ -1165,31 +1164,23 @@ public final class BufferUtils {
}
}
private static void loadCleanerMethods() {
// If its already true, exit, if not, set it to true.
if (loadedMethods.getAndSet(true)) {
return;
static {
// Oracle JRE / OpenJDK
cleanerMethod = loadMethod("sun.nio.ch.DirectBuffer", "cleaner");
cleanMethod = loadMethod("sun.misc.Cleaner", "clean");
viewedBufferMethod = loadMethod("sun.nio.ch.DirectBuffer", "viewedBuffer");
if (viewedBufferMethod == null){
// They changed the name in Java 7 (???)
viewedBufferMethod = loadMethod("sun.nio.ch.DirectBuffer", "attachment");
}
// This could potentially be called many times if used from multiple
// threads
synchronized (loadedMethods) {
// Oracle JRE / OpenJDK
cleanerMethod = loadMethod("sun.nio.ch.DirectBuffer", "cleaner");
cleanMethod = loadMethod("sun.misc.Cleaner", "clean");
viewedBufferMethod = loadMethod("sun.nio.ch.DirectBuffer", "viewedBuffer");
if (viewedBufferMethod == null){
// They changed the name in Java 7 (???)
viewedBufferMethod = loadMethod("sun.nio.ch.DirectBuffer", "attachment");
}
// Apache Harmony
ByteBuffer bb = BufferUtils.createByteBuffer(1);
Class<?> clazz = bb.getClass();
try {
freeMethod = clazz.getMethod("free");
} catch (NoSuchMethodException ex) {
} catch (SecurityException ex) {
}
// Apache Harmony
ByteBuffer bb = BufferUtils.createByteBuffer(1);
Class<?> clazz = bb.getClass();
try {
freeMethod = clazz.getMethod("free");
} catch (NoSuchMethodException ex) {
} catch (SecurityException ex) {
}
}
@ -1210,8 +1201,6 @@ public final class BufferUtils {
return;
}
loadCleanerMethods();
try {
if (freeMethod != null) {
freeMethod.invoke(toBeDestroyed);