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Scala example source code file (MainNode.java)
The MainNode.java Scala example source code/* __ *\ ** ________ ___ / / ___ Scala API ** ** / __/ __// _ | / / / _ | (c) 2003-2013, LAMP/EPFL ** ** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ ** ** /____/\___/_/ |_/____/_/ | | ** ** |/ ** \* */ package scala.collection.concurrent; import java.util.concurrent.atomic.AtomicReferenceFieldUpdater; abstract class MainNode<K, V> extends BasicNode { @SuppressWarnings("rawtypes") public static final AtomicReferenceFieldUpdater<MainNode, MainNode> updater = AtomicReferenceFieldUpdater.newUpdater(MainNode.class, MainNode.class, "prev"); public volatile MainNode<K, V> prev = null; public abstract int cachedSize(Object ct); public boolean CAS_PREV(MainNode<K, V> oldval, MainNode<K, V> nval) { return updater.compareAndSet(this, oldval, nval); } public void WRITE_PREV(MainNode<K, V> nval) { updater.set(this, nval); } // do we need this? unclear in the javadocs... // apparently not - volatile reads are supposed to be safe // irregardless of whether there are concurrent ARFU updates @Deprecated @SuppressWarnings("unchecked") public MainNode<K, V> READ_PREV() { return updater.get(this); } } Other Scala source code examplesHere is a short list of links related to this Scala MainNode.java source code file: |
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