com.facebook.buck.util.concurrent

Class MoreAtomics

java.lang.Object

com.facebook.buck.util.concurrent.MoreAtomics

public final class MoreAtomics
extends Object

Utility methods for common routines with atomic variables

Method Summary

Modifier and Type	Method and Description
static long	setMaxAndGet(long value, AtomicLong atomicValue) Update atomic variable if provided value is greater than value stored in atomic variable.
static long	setMinAndGet(long value, AtomicLong atomicValue) Update atomic variable if provided value is less than value stored in atomic variable.

Methods inherited from class java.lang.Object

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

Method Detail

setMaxAndGet

public static long setMaxAndGet(long value,
                                AtomicLong atomicValue)

Update atomic variable if provided value is greater than value stored in atomic variable. Implementation is lock-free.

Parameters:

value - A value to check against atomic value

atomicValue - Atomic variable that will keep a maximum of two values

Returns:

New value of atomicValue

setMinAndGet

public static long setMinAndGet(long value,
                                AtomicLong atomicValue)

Update atomic variable if provided value is less than value stored in atomic variable. Implementation is lock-free.

Parameters:

value - A value to check against atomic value

atomicValue - Atomic variable that will keep a minimum of two values

Returns:

New value of atomicValue