Package com.intellij.util.concurrency

Class AtomicFieldUpdater<ContainingClass,FieldType>

java.lang.Object

com.intellij.util.concurrency.AtomicFieldUpdater<ContainingClass,FieldType>

public class AtomicFieldUpdater<ContainingClass,FieldType>
extends java.lang.Object

Utility class similar to AtomicReferenceFieldUpdater except: - removed access check in getAndSet() hot path for performance - new methods "forFieldXXX" added that search by field type instead of field name, which is useful in scrambled classes

Method Summary

Modifier and Type	Method and Description
boolean	compareAndSet(ContainingClass owner, FieldType expected, FieldType newValue)
boolean	compareAndSetInt(ContainingClass owner, int expected, int newValue)
boolean	compareAndSetLong(ContainingClass owner, long expected, long newValue)
static <O,E> AtomicFieldUpdater<O,E>	forField(java.lang.reflect.Field field)
static <T,V> AtomicFieldUpdater<T,V>	forFieldOfType(java.lang.Class<T> ownerClass, java.lang.Class<V> fieldType)
static <T> AtomicFieldUpdater<T,java.lang.Integer>	forIntFieldIn(java.lang.Class<T> ownerClass)
static <T> AtomicFieldUpdater<T,java.lang.Long>	forLongFieldIn(java.lang.Class<T> ownerClass)
FieldType	get(ContainingClass owner)
static sun.misc.Unsafe	getUnsafe()
void	set(ContainingClass owner, FieldType newValue)

Methods inherited from class java.lang.Object

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

Method Detail

getUnsafe

public static sun.misc.Unsafe getUnsafe()

forFieldOfType

public static <T,V> AtomicFieldUpdater<T,V> forFieldOfType(java.lang.Class<T> ownerClass,
                                                           java.lang.Class<V> fieldType)

forLongFieldIn

public static <T> AtomicFieldUpdater<T,java.lang.Long> forLongFieldIn(java.lang.Class<T> ownerClass)

forIntFieldIn

public static <T> AtomicFieldUpdater<T,java.lang.Integer> forIntFieldIn(java.lang.Class<T> ownerClass)

forField

public static <O,E> AtomicFieldUpdater<O,E> forField(java.lang.reflect.Field field)

compareAndSet

public boolean compareAndSet(ContainingClass owner,
                             FieldType expected,
                             FieldType newValue)

compareAndSetLong

public boolean compareAndSetLong(ContainingClass owner,
                                 long expected,
                                 long newValue)

compareAndSetInt

public boolean compareAndSetInt(ContainingClass owner,
                                int expected,
                                int newValue)

set

public void set(ContainingClass owner,
                FieldType newValue)

get

public FieldType get(ContainingClass owner)