Java Doc for AtomicReference.java in  » Apache-Harmony-Java-SE » java-package » java » util » concurrent » atomic » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.util.concurrent.atomic   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    java.util.concurrent.atomic.AtomicReference AtomicReference public class AtomicReference implements java.io.Serializable(Code) An object reference that may be updated atomically. See the java.util.concurrent.atomic package specification for description of the properties of atomic variables. since:    1.5 author:    Doug Lea< Parameters:   V - > The type of object referred to by this reference Constructor Summary public   AtomicReference(V initialValue)      Create a new AtomicReference with the given initial value. public   AtomicReference()      Create a new AtomicReference with null initial value. Method Summary final public  boolean compareAndSet(V expect, V update)      Atomically set the value to the given updated value if the current value == the expected value. Parameters:   expect - the expected value Parameters:   update - the new value true if successful. final public  V get()      Get the current value. final public  V getAndSet(V newValue)      Set to the given value and return the old value. final public  void set(V newValue)      Set to the given value. public  String toString()      Returns the String representation of the current value. final public  boolean weakCompareAndSet(V expect, V update)      Atomically set the value to the given updated value if the current value == the expected value. Constructor Detail AtomicReference public AtomicReference(V initialValue)(Code) Create a new AtomicReference with the given initial value. Parameters:   initialValue - the initial value AtomicReference public AtomicReference()(Code) Create a new AtomicReference with null initial value. Method Detail compareAndSet final public boolean compareAndSet(V expect, V update)(Code) Atomically set the value to the given updated value if the current value == the expected value. Parameters:   expect - the expected value Parameters:   update - the new value true if successful. False return indicates thatthe actual value was not equal to the expected value. get final public V get()(Code) Get the current value. the current value getAndSet final public V getAndSet(V newValue)(Code) Set to the given value and return the old value. Parameters:   newValue - the new value the previous value set final public void set(V newValue)(Code) Set to the given value. Parameters:   newValue - the new value toString public String toString()(Code) Returns the String representation of the current value. the String representation of the current value. weakCompareAndSet final public boolean weakCompareAndSet(V expect, V update)(Code) Atomically set the value to the given updated value if the current value == the expected value. May fail spuriously. Parameters:   expect - the expected value Parameters:   update - the new value true if successful. Methods inherited from java.lang.Object protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object object)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final public Class<? extends Object> getClass()(Code)(Java Doc) public int hashCode()(Code)(Java Doc) final public void notify()(Code)(Java Doc) final public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final public void wait(long millis, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait(long millis) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)