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Préférences
Moteurs de recherche
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JavaTM 2 Platform Std. Ed. v1.6.0
java.util.concurrent.atomic
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Constructor Summary | |
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AtomicReference()
Creates a new AtomicReference with null initial value. |
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AtomicReference(V initialValue)
Creates a new AtomicReference with the given initial value. |
Method Summary | |
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boolean |
compareAndSet(V expect,
V update)
Atomically sets the value to the given updated value if the current value == the expected value. |
V |
get()
Gets the current value. |
V |
getAndSet(V newValue)
Atomically sets to the given value and returns the old value. |
void |
lazySet(V newValue)
Eventually sets to the given value. |
void |
set(V newValue)
Sets to the given value. |
String |
toString()
Returns the String representation of the current value. |
boolean |
weakCompareAndSet(V expect,
V update)
Atomically sets the value to the given updated value if the current value == the expected value. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public AtomicReference(V initialValue)
initialValue
- the initial valuepublic AtomicReference()
Method Detail |
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public final V get()
public final void set(V newValue)
newValue
- the new valuepublic final void lazySet(V newValue)
newValue
- the new valuepublic final boolean compareAndSet(V expect, V update)
==
the expected value.
expect
- the expected valueupdate
- the new value
public final boolean weakCompareAndSet(V expect, V update)
==
the expected value.
May fail spuriously
and does not provide ordering guarantees, so is only rarely an
appropriate alternative to compareAndSet
.
expect
- the expected valueupdate
- the new value
public final V getAndSet(V newValue)
newValue
- the new value
public String toString()