Java Doc for AtomicInteger.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.lang.Number       java.util.concurrent.atomic.AtomicInteger AtomicInteger public class AtomicInteger extends Number implements java.io.Serializable(Code) An int value that may be updated atomically. See the java.util.concurrent.atomic package specification for description of the properties of atomic variables. An AtomicInteger is used in applications such as atomically incremented counters, and cannot be used as a replacement for an java.lang.Integer . However, this class does extend Number to allow uniform access by tools and utilities that deal with numerically-based classes. since:    1.5 author:    Doug Lea Constructor Summary public   AtomicInteger(int initialValue)      Create a new AtomicInteger with the given initial value. public   AtomicInteger()      Create a new AtomicInteger with initial value 0. Method Summary final public  int addAndGet(int delta)      Atomically add the given value to current value. final public  boolean compareAndSet(int expect, int 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  int decrementAndGet()      Atomically decrement by one the current value. public  double doubleValue()      public  float floatValue()      final public  int get()      Get the current value. final public  int getAndAdd(int delta)      Atomically add the given value to current value. final public  int getAndDecrement()      Atomically decrement by one the current value. final public  int getAndIncrement()      Atomically increment by one the current value. final public  int getAndSet(int newValue)      Set to the give value and return the old value. final public  int incrementAndGet()      Atomically increment by one the current value. public  int intValue()      public  long longValue()      final public  void set(int newValue)      Set to the given value. public  String toString()      Returns the String representation of the current value. final public  boolean weakCompareAndSet(int expect, int update)      Atomically set the value to the given updated value if the current value == the expected value. Constructor Detail AtomicInteger public AtomicInteger(int initialValue)(Code) Create a new AtomicInteger with the given initial value. Parameters:   initialValue - the initial value AtomicInteger public AtomicInteger()(Code) Create a new AtomicInteger with initial value 0. Method Detail addAndGet final public int addAndGet(int delta)(Code) Atomically add the given value to current value. Parameters:   delta - the value to add the updated value compareAndSet final public boolean compareAndSet(int expect, int 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. decrementAndGet final public int decrementAndGet()(Code) Atomically decrement by one the current value. the updated value doubleValue public double doubleValue()(Code) floatValue public float floatValue()(Code) get final public int get()(Code) Get the current value. the current value getAndAdd final public int getAndAdd(int delta)(Code) Atomically add the given value to current value. Parameters:   delta - the value to add the previous value getAndDecrement final public int getAndDecrement()(Code) Atomically decrement by one the current value. the previous value getAndIncrement final public int getAndIncrement()(Code) Atomically increment by one the current value. the previous value getAndSet final public int getAndSet(int newValue)(Code) Set to the give value and return the old value. Parameters:   newValue - the new value the previous value incrementAndGet final public int incrementAndGet()(Code) Atomically increment by one the current value. the updated value intValue public int intValue()(Code) longValue public long longValue()(Code) set final public void set(int 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(int expect, int 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.Number public byte byteValue()(Code)(Java Doc) abstract public double doubleValue()(Code)(Java Doc) abstract public float floatValue()(Code)(Java Doc) abstract public int intValue()(Code)(Java Doc) abstract public long longValue()(Code)(Java Doc) public short shortValue()(Code)(Java Doc) 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)