Class CacheValue.SoftValue<V>

java.lang.Object

com.ibm.icu.impl.CacheValue<V>

com.ibm.icu.impl.CacheValue.SoftValue<V>

Enclosing class:

CacheValue<V>

private static final class CacheValue.SoftValue<V>
extends CacheValue<V>

Nested Class Summary

Nested classes/interfaces inherited from class CacheValue

CacheValue.Strength

Field Summary

Fields

Modifier and Type	Field	Description
private Reference<V>	ref

Constructor Summary

Constructors

Constructor	Description
SoftValue(V value)

Method Summary

Modifier and Type	Method	Description
V	get()	Returns the value (which can be null), or null if it was held in a Reference and has been cleared.
V	resetIfCleared(V value)	If the value was held via a Reference which has been cleared, then it is replaced with a new Reference to the new value, and the new value is returned.

Methods inherited from class CacheValue

futureInstancesWillBeStrong, getInstance, isNull, setStrength

Methods inherited from class Object

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

Field Details

ref

private volatile Reference<V> ref

Constructor Details

SoftValue

SoftValue(V value)

Method Details

get

public V get()

Description copied from class: CacheValue

Returns the value (which can be null), or null if it was held in a Reference and has been cleared.

Specified by:

get in class CacheValue<V>

resetIfCleared

public V resetIfCleared(V value)

Description copied from class: CacheValue

If the value was held via a Reference which has been cleared, then it is replaced with a new Reference to the new value, and the new value is returned. The old and new values should be the same or equivalent.

Otherwise the old value is returned.

Specified by:

resetIfCleared in class CacheValue<V>

Parameters:

value - Replacement value, for when the current Reference has been cleared.

Returns:

The old or new value.