Package com.google.common.util.concurrent

Class AbstractFuture.SafeAtomicHelper

java.lang.Object

com.google.common.util.concurrent.AbstractFuture.AtomicHelper

com.google.common.util.concurrent.AbstractFuture.SafeAtomicHelper

Enclosing class:

AbstractFuture<V>

private static final class AbstractFuture.SafeAtomicHelper
extends AbstractFuture.AtomicHelper

AbstractFuture.AtomicHelper based on AtomicReferenceFieldUpdater.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,AbstractFuture.Listener>	listenersUpdater
(package private) java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,java.lang.Object>	valueUpdater
(package private) java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture.Waiter,AbstractFuture.Waiter>	waiterNextUpdater
(package private) java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,AbstractFuture.Waiter>	waitersUpdater
(package private) java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture.Waiter,java.lang.Thread>	waiterThreadUpdater

Constructor Summary

Constructors

Constructor

Description

SafeAtomicHelper(java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture.Waiter,java.lang.Thread> waiterThreadUpdater, java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture.Waiter,AbstractFuture.Waiter> waiterNextUpdater, java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,AbstractFuture.Waiter> waitersUpdater, java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,AbstractFuture.Listener> listenersUpdater, java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,java.lang.Object> valueUpdater)

Method Summary

Modifier and Type	Method	Description
(package private) boolean	casListeners(AbstractFuture<?> future, AbstractFuture.Listener expect, AbstractFuture.Listener update)	Performs a CAS operation on the AbstractFuture.listeners field.
(package private) boolean	casValue(AbstractFuture<?> future, java.lang.Object expect, java.lang.Object update)	Performs a CAS operation on the AbstractFuture.value field.
(package private) boolean	casWaiters(AbstractFuture<?> future, AbstractFuture.Waiter expect, AbstractFuture.Waiter update)	Performs a CAS operation on the AbstractFuture.waiters field.
(package private) void	putNext(AbstractFuture.Waiter waiter, AbstractFuture.Waiter newValue)	Non volatile write of the waiter to the AbstractFuture.Waiter.next field.
(package private) void	putThread(AbstractFuture.Waiter waiter, java.lang.Thread newValue)	Non volatile write of the thread to the AbstractFuture.Waiter.thread field.

Methods inherited from class java.lang.Object

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

Field Detail

waiterThreadUpdater

final java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture.Waiter,java.lang.Thread> waiterThreadUpdater

waiterNextUpdater

final java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture.Waiter,AbstractFuture.Waiter> waiterNextUpdater

waitersUpdater

final java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,AbstractFuture.Waiter> waitersUpdater

listenersUpdater

final java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,AbstractFuture.Listener> listenersUpdater

valueUpdater

final java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,java.lang.Object> valueUpdater

Constructor Detail

SafeAtomicHelper

SafeAtomicHelper(java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture.Waiter,java.lang.Thread> waiterThreadUpdater,
                 java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture.Waiter,AbstractFuture.Waiter> waiterNextUpdater,
                 java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,AbstractFuture.Waiter> waitersUpdater,
                 java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,AbstractFuture.Listener> listenersUpdater,
                 java.util.concurrent.atomic.AtomicReferenceFieldUpdater<AbstractFuture,java.lang.Object> valueUpdater)

Method Detail

putThread

void putThread(AbstractFuture.Waiter waiter,
               java.lang.Thread newValue)

Description copied from class: AbstractFuture.AtomicHelper

Non volatile write of the thread to the AbstractFuture.Waiter.thread field.

Specified by:

putThread in class AbstractFuture.AtomicHelper

putNext

void putNext(AbstractFuture.Waiter waiter,
             AbstractFuture.Waiter newValue)

Description copied from class: AbstractFuture.AtomicHelper

Non volatile write of the waiter to the AbstractFuture.Waiter.next field.

Specified by:

putNext in class AbstractFuture.AtomicHelper

casWaiters

boolean casWaiters(AbstractFuture<?> future,
                   AbstractFuture.Waiter expect,
                   AbstractFuture.Waiter update)

Description copied from class: AbstractFuture.AtomicHelper

Performs a CAS operation on the AbstractFuture.waiters field.

Specified by:

casWaiters in class AbstractFuture.AtomicHelper

casListeners

boolean casListeners(AbstractFuture<?> future,
                     AbstractFuture.Listener expect,
                     AbstractFuture.Listener update)

Description copied from class: AbstractFuture.AtomicHelper

Performs a CAS operation on the AbstractFuture.listeners field.

Specified by:

casListeners in class AbstractFuture.AtomicHelper

casValue

boolean casValue(AbstractFuture<?> future,
                 java.lang.Object expect,
                 java.lang.Object update)

Description copied from class: AbstractFuture.AtomicHelper

Performs a CAS operation on the AbstractFuture.value field.

Specified by:

casValue in class AbstractFuture.AtomicHelper