Package io.deephaven.base

Class AtomicUtil

java.lang.Object

io.deephaven.base.AtomicUtil

public abstract class AtomicUtil
extends Object

Constructor Summary

Constructors

Constructor	Description
AtomicUtil()

Method Summary

Modifier and Type	Method	Description
static int	atomicAnd(AtomicInteger i, int mask)
static int	atomicAndNot(AtomicInteger i, int mask)
static int	atomicOr(AtomicInteger i, int mask)
static int	changeAndGetIfGreaterThan(AtomicInteger i, int by, int pivot, int negative)
static long	changeAndGetIfGreaterThan(AtomicLong i, long by, long pivot, long negative)
static int	changeAndGetIfLessThan(AtomicInteger i, int by, int pivot, int negative)
static long	changeAndGetIfLessThan(AtomicLong i, long by, long pivot, long negative)
static long	compareAndSetAndGetOld(AtomicLong i, long expected, long updated)
static int	getAndDecreaseIfGreaterThan(AtomicInteger i, int by, int pivot)
static long	getAndDecreaseIfGreaterThan(AtomicLong i, long by, long pivot)
static int	getAndIncreaseIfLessThan(AtomicInteger i, int by, int pivot)
static long	getAndIncreaseIfLessThan(AtomicLong i, long by, long pivot)
static long	getAndSetIfDecreases(AtomicLong i, long value)
static long	getAndSetIfDecreases(AtomicLong i, long by, long value)
static int	getAndSetIfGreaterThan(AtomicInteger i, int value, int pivot)
static long	getAndSetIfGreaterThan(AtomicLong i, long value, long pivot)
static int	getAndSetIfIncreases(AtomicInteger i, int value)
static long	getAndSetIfIncreases(AtomicLong i, long value)
static int	getAndSetIfIncreasesBy(AtomicInteger i, int by, int value)
static long	getAndSetIfIncreasesBy(AtomicLong i, long by, long value)
static int	getAndSetIfLessThan(AtomicInteger i, int value, int pivot)
static long	getAndSetIfLessThan(AtomicLong i, long value, long pivot)
static boolean	setIfGreaterThan(AtomicInteger i, int pivot, int value)
static boolean	setIfGreaterThan(AtomicLong i, long pivot, long value)
static boolean	setIfLessThan(AtomicInteger i, int pivot, int value)
static boolean	setIfLessThan(AtomicLong i, long pivot, long value)
static <T> boolean	setMax(T o, AtomicLongFieldUpdater<T> fu, long value)	Sets the field to the maximum of the current value and the passed in value
static <T> boolean	setMin(T o, AtomicLongFieldUpdater<T> fu, long value)	Sets the field to the minimum of the current value and the passed in value

Methods inherited from class java.lang.Object

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

Constructor Details

AtomicUtil

public AtomicUtil()

Method Details

compareAndSetAndGetOld

public static long compareAndSetAndGetOld(AtomicLong i,
 long expected,
 long updated)

getAndSetIfIncreases

public static long getAndSetIfIncreases(AtomicLong i,
 long value)

getAndSetIfIncreasesBy

public static long getAndSetIfIncreasesBy(AtomicLong i,
 long by,
 long value)

getAndSetIfDecreases

public static long getAndSetIfDecreases(AtomicLong i,
 long value)

getAndSetIfDecreases

public static long getAndSetIfDecreases(AtomicLong i,
 long by,
 long value)

getAndSetIfIncreases

public static int getAndSetIfIncreases(AtomicInteger i,
 int value)

getAndSetIfIncreasesBy

public static int getAndSetIfIncreasesBy(AtomicInteger i,
 int by,
 int value)

setIfLessThan

public static boolean setIfLessThan(AtomicInteger i,
 int pivot,
 int value)

setIfGreaterThan

public static boolean setIfGreaterThan(AtomicInteger i,
 int pivot,
 int value)

changeAndGetIfLessThan

public static int changeAndGetIfLessThan(AtomicInteger i,
 int by,
 int pivot,
 int negative)

getAndIncreaseIfLessThan

public static int getAndIncreaseIfLessThan(AtomicInteger i,
 int by,
 int pivot)

getAndDecreaseIfGreaterThan

public static int getAndDecreaseIfGreaterThan(AtomicInteger i,
 int by,
 int pivot)

getAndSetIfGreaterThan

public static int getAndSetIfGreaterThan(AtomicInteger i,
 int value,
 int pivot)

getAndSetIfLessThan

public static int getAndSetIfLessThan(AtomicInteger i,
 int value,
 int pivot)

changeAndGetIfGreaterThan

public static int changeAndGetIfGreaterThan(AtomicInteger i,
 int by,
 int pivot,
 int negative)

setIfLessThan

public static boolean setIfLessThan(AtomicLong i,
 long pivot,
 long value)

setIfGreaterThan

public static boolean setIfGreaterThan(AtomicLong i,
 long pivot,
 long value)

changeAndGetIfLessThan

public static long changeAndGetIfLessThan(AtomicLong i,
 long by,
 long pivot,
 long negative)

changeAndGetIfGreaterThan

public static long changeAndGetIfGreaterThan(AtomicLong i,
 long by,
 long pivot,
 long negative)

getAndSetIfGreaterThan

public static long getAndSetIfGreaterThan(AtomicLong i,
 long value,
 long pivot)

getAndSetIfLessThan

public static long getAndSetIfLessThan(AtomicLong i,
 long value,
 long pivot)

getAndIncreaseIfLessThan

public static long getAndIncreaseIfLessThan(AtomicLong i,
 long by,
 long pivot)

getAndDecreaseIfGreaterThan

public static long getAndDecreaseIfGreaterThan(AtomicLong i,
 long by,
 long pivot)

atomicOr

public static int atomicOr(AtomicInteger i,
 int mask)

atomicAnd

public static int atomicAnd(AtomicInteger i,
 int mask)

atomicAndNot

public static int atomicAndNot(AtomicInteger i,
 int mask)

setMin

public static <T> boolean setMin(T o,
 AtomicLongFieldUpdater<T> fu,
 long value)

Sets the field to the minimum of the current value and the passed in value

Type Parameters:

T - the type of o

Parameters:

o - the object to update

fu - the field updater

value - the value that is a candidate for the minumum

Returns:

true if the minimum was set

setMax

public static <T> boolean setMax(T o,
 AtomicLongFieldUpdater<T> fu,
 long value)

Sets the field to the maximum of the current value and the passed in value

Type Parameters:

T - the type of o

Parameters:

o - the object to update

fu - the field updater

value - the value that is a candidate for the maximum

Returns:

true if the maximum was set