package com.cooliris.media;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReferenceArray;
public final class ConcurrentPool<E extends Object> {
private AtomicReferenceArray<E> mFreeList;
private AtomicInteger mFreeListIndex;
public ConcurrentPool(E[] objects) {
mFreeList = new AtomicReferenceArray<E>(objects);
mFreeListIndex = new AtomicInteger(objects.length);
}
public E create() {
final int index = mFreeListIndex.decrementAndGet();
E object = mFreeList.get(index);
mFreeList.set(index, null);
return object;
}
public void delete(E object) {
final int index = mFreeListIndex.getAndIncrement();
while (!mFreeList.compareAndSet(index, null, object)) {
Thread.yield();
}
}
}