java.lang.Object java.util.concurrent.atomic.AtomicBoolean
public class AtomicBoolean
A boolean value that may be updated atomically. See the java.util.concurrent.atomic package specification for description of the properties of atomic variables. An AtomicBoolean is used in applications such as atomically updated flags, and cannot be used as a replacement for a Boolean .
Constructor Summary | |
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AtomicBoolean
() Creates a new AtomicBoolean with initial value false . |
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AtomicBoolean
(boolean initialValue) Creates a new AtomicBoolean with the given initial value. |
Method Summary | |
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boolean |
compareAndSet
(boolean expect, boolean update) Atomically set |
boolean |
get
() Returns the current value. |
boolean |
getAndSet
(boolean newValue) Sets to the given value and returns the previous value. |
void |
set
(boolean newValue) Unconditionally sets to the given value. |
String |
toString
() Returns the String representation of the current value. |
boolean |
weakCompareAndSet
(boolean expect, boolean update) Atomically set 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 AtomicBoolean(boolean initialValue)
public AtomicBoolean()
Method Detail |
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public final boolean get()
public final boolean compareAndSet(boolean expect, boolean update)
public boolean weakCompareAndSet(boolean expect, boolean update)
public final void set(boolean newValue)
public final boolean getAndSet(boolean newValue)
public String toString()