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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2012, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.collection.concurrent;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
abstract class CNodeBase<K, V> extends MainNode<K, V> {
public static final AtomicIntegerFieldUpdater<CNodeBase> updater = AtomicIntegerFieldUpdater.newUpdater(CNodeBase.class, "csize");
public volatile int csize = -1;
public boolean CAS_SIZE(int oldval, int nval) {
return updater.compareAndSet(this, oldval, nval);
}
public void WRITE_SIZE(int nval) {
updater.set(this, nval);
}
public int READ_SIZE() {
return updater.get(this);
}
}
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