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SoftObject (JBoss/Common API) - JBoss 3.2.7 common API Documentation 英文版文档

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org.jboss.util
Class SoftObject

java.lang.Object
  java.lang.ref.Reference
      java.lang.ref.SoftReference
          org.jboss.util.SoftObject

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public final class SoftObject

extends SoftReference

Convenience class to wrap an Object into a SoftReference.

Modified from java.util.WeakHashMap.WeakKey.

Version:

$Revision: 1.1 $

Author:

Jason Dillon

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Field Summary
protected  int	hashCode           The hash code of the nested object

 

Constructor Summary

SoftObject(Object obj)           Construct a SoftObject.

SoftObject(Object obj, ReferenceQueue queue)           Construct a SoftObject.

 

Method Summary
static SoftObject	create(Object obj)           Create a SoftObject for the given object.
static SoftObject	create(Object obj, ReferenceQueue queue)           Create a SoftObject for the given object.
boolean	equals(Object obj)           Check the equality of an object with this.
int	hashCode()           Return the hash code of the nested object.

 

Methods inherited from class java.lang.ref.SoftReference

get

 

Methods inherited from class java.lang.ref.Reference

clear, enqueue, isEnqueued

 

Methods inherited from class java.lang.Object

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

 

Field Detail

hashCode

protected final int hashCode

The hash code of the nested object

Constructor Detail

SoftObject

public SoftObject(Object obj)

Construct a SoftObject.

Parameters:

obj - Object to reference.

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SoftObject

public SoftObject(Object obj,
                  ReferenceQueue queue)

Construct a SoftObject.

Parameters:

obj - Object to reference.

queue - Reference queue.

Method Detail

equals

public boolean equals(Object obj)

Check the equality of an object with this.

Parameters:

obj - Object to test equality with.

Returns:

True if object is equal.

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hashCode

public int hashCode()

Return the hash code of the nested object.

Returns:

The hash code of the nested object.

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create

public static SoftObject create(Object obj)

Create a SoftObject for the given object.

Parameters:

obj - Object to reference.

Returns:

SoftObject or null if object is null.

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create

public static SoftObject create(Object obj,
                                ReferenceQueue queue)

Create a SoftObject for the given object.

Parameters:

obj - Object to reference.

queue - Reference queue.

Returns:

SoftObject or null if object is null.

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