Package com.gengoai.concurrent

Class AtomicDouble

java.lang.Object

java.lang.Number

com.gengoai.concurrent.AtomicDouble

All Implemented Interfaces:

Serializable

public class AtomicDouble
extends Number

Thread safe double container

Author:

David B. Bracewell

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
AtomicDouble()	Instantiates a new Atomic double.
AtomicDouble(double value)	Instantiates a new Atomic double.

Method Summary

Modifier and Type	Method	Description
double	addAndGet(double value)	Atomically adds the given value to the current value.
boolean	compareAndSet(double expect, double update)	Atomically sets the value to the given updated value if the current value == the expected value.
double	doubleValue()
float	floatValue()
double	get()	Gets the double value
double	getAndAdd(double value)	Atomically adds the given value to the current value.
double	getAndSet(double value)	Atomically sets to the given value and returns the old value.
int	intValue()
long	longValue()
void	set(double value)	Sets to the given value.
String	toString()
boolean	weakCompareAndSet(double expect, double update)	Atomically sets the value to the given updated value if the current value == the expected value.

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AtomicDouble

public AtomicDouble()

Instantiates a new Atomic double.

AtomicDouble

public AtomicDouble(double value)

Instantiates a new Atomic double.

Parameters:

value - the value

Method Detail

addAndGet

public final double addAndGet(double value)

Atomically adds the given value to the current value.

Parameters:

value - the value

Returns:

the updated value

compareAndSet

public final boolean compareAndSet(double expect,
                                   double update)

Atomically sets the value to the given updated value if the current value == the expected value.

Parameters:

expect - the expected value

update - the new value

Returns:

true if successful. False return indicates that the actual value was not equal to the expected value.

doubleValue

public double doubleValue()

Specified by:

doubleValue in class Number

floatValue

public float floatValue()

Specified by:

floatValue in class Number

get

public double get()

Gets the double value

Returns:

the double

getAndAdd

public final double getAndAdd(double value)

Atomically adds the given value to the current value.

Parameters:

value - the value

Returns:

the previous value

getAndSet

public double getAndSet(double value)

Atomically sets to the given value and returns the old value.

Parameters:

value - the value to set

Returns:

the value before the update

intValue

public int intValue()

Specified by:

intValue in class Number

longValue

public long longValue()

Specified by:

longValue in class Number

set

public void set(double value)

Sets to the given value.

Parameters:

value - the value

toString

public String toString()

Overrides:

toString in class Object

weakCompareAndSet

public final boolean weakCompareAndSet(double expect,
                                       double update)

Atomically sets the value to the given updated value if the current value == the expected value.

Parameters:

expect - the expected value

update - the updated value

Returns:

True if updated, False if not