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com.sun.star.lib.uno.helper
Class WeakAdapter

java.lang.Object
  com.sun.star.lib.uno.helper.WeakAdapter

All Implemented Interfaces:

XAdapter, XInterface

public class WeakAdapter
extends Object
implements XAdapter

An XAdapter implementation that holds a weak reference (java.lang.ref.WeakReference) to an object. Clients can register listener (com.sun.star.lang.XReference) which are notified when the the object (the one which is kept weak) is being finalized. That is, that object is being destroyed because there are not any hard references to it.

Field Summary

Fields inherited from interface com.sun.star.uno.XAdapter

UNOTYPEINFO

Constructor Summary

WeakAdapter(Object component)

Method Summary

void	addReference(XReference xReference) Method of com.sun.star.uno.XAdapter.
Object	queryAdapted() Method of com.sun.star.uno.XAdapter.
void	removeReference(XReference xReference) Method of com.sun.star.uno.XAdapter.

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakAdapter

public WeakAdapter(Object component)

Parameters:

component - the object that is to be held weak

Method Detail

queryAdapted

public Object queryAdapted()

Method of com.sun.star.uno.XAdapter. It is called to obtain a hard reference to the object which is kept weak by this instance.

Specified by:

queryAdapted in interface XAdapter

Returns:

hard reference to the object

removeReference

public void removeReference(XReference xReference)

Method of com.sun.star.uno.XAdapter. Called by clients to register listener which are notified when the weak object is dying.

Specified by:

removeReference in interface XAdapter

Parameters:

xReference - a listener

addReference

public void addReference(XReference xReference)

Method of com.sun.star.uno.XAdapter. Called by clients to unregister listeners.

Specified by:

addReference in interface XAdapter

Parameters:

a - listener