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JavaTM 2 Platform Standard Ed. 5.0 |
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java.lang.Objectjava.util.concurrent.atomic.AtomicReferenceArray<E>
E - The base class of elements held in this arraypublic class AtomicReferenceArray<E>
An array of object references in which elements may be updated
atomically. See the java.util.concurrent.atomic package
specification for description of the properties of atomic
variables.
| Constructor Summary | |
|---|---|
AtomicReferenceArray(E[] array)
Create a new AtomicReferenceArray with the same length as, and all elements copied from, the given array. |
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AtomicReferenceArray(int length)
Create a new AtomicReferenceArray of given length. |
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| Method Summary | |
|---|---|
boolean |
compareAndSet(int i,
E expect,
E update)
Atomically set the value to the given updated value if the current value == the expected value. |
E |
get(int i)
Get the current value at position i. |
E |
getAndSet(int i,
E newValue)
Set the element at position i to the given value and return the old value. |
int |
length()
Returns the length of the array. |
void |
set(int i,
E newValue)
Set the element at position i to the given value. |
String |
toString()
Returns the String representation of the current values of array. |
boolean |
weakCompareAndSet(int i,
E expect,
E update)
Atomically set the value to the given updated value if the current value == the expected value. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
public AtomicReferenceArray(int length)
length - the length of the arraypublic AtomicReferenceArray(E[] array)
array - the array to copy elements from
NullPointerException - if array is null| Method Detail |
|---|
public final int length()
public final E get(int i)
i - the index
public final void set(int i,
E newValue)
i - the indexnewValue - the new value
public final E getAndSet(int i,
E newValue)
i - the indexnewValue - the new value
public final boolean compareAndSet(int i,
E expect,
E update)
i - the indexexpect - the expected valueupdate - the new value
public final boolean weakCompareAndSet(int i,
E expect,
E update)
i - the indexexpect - the expected valueupdate - the new value
public String toString()
toString in class Object
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JavaTM 2 Platform Standard Ed. 5.0 |
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Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.