Package com.sun.jna

Class WeakMemoryHolder

java.lang.Object

com.sun.jna.WeakMemoryHolder

public class WeakMemoryHolder
extends java.lang.Object

Helper to hold a memory object based on the lifetime of another object. The intended use is to assoziate a ByteBuffer with its backing Memory object. The ByteBuffer is held by a WeakReference and a ReferenceQueue is used to track GC of the ByteBuffer. The references to the memory objects are released on access of WeakMemoryHolder.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) java.util.IdentityHashMap<java.lang.ref.Reference<java.lang.Object>,Memory>	backingMap
(package private) java.lang.ref.ReferenceQueue<java.lang.Object>	referenceQueue

Constructor Summary

Constructors

Constructor	Description
WeakMemoryHolder()

Method Summary

Modifier and Type	Method	Description
void	clean()
void	put(java.lang.Object o, Memory m)

Methods inherited from class java.lang.Object

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

Field Detail

referenceQueue

java.lang.ref.ReferenceQueue<java.lang.Object> referenceQueue

backingMap

java.util.IdentityHashMap<java.lang.ref.Reference<java.lang.Object>,Memory> backingMap

Constructor Detail

WeakMemoryHolder

public WeakMemoryHolder()

Method Detail

put

public void put(java.lang.Object o,
                Memory m)

clean

public void clean()