dsto.dfc.databeans
Class DataObjectWeakRef

java.lang.Object
  dsto.dfc.databeans.AbstractDataObject
      dsto.dfc.databeans.DataObjectLink
          dsto.dfc.databeans.DataObjectWeakRef

All Implemented Interfaces:

IDataObject, IDataObjectChildListener, IDataObjectLink, PropertyListener, Cloneable, EventListener

public class DataObjectWeakRef
extends DataObjectLink
implements IDataObject, IDataObjectLink, PropertyListener

An weak reference alias for an IDataObject. The wrapped object is listened to using a weak listener, allowing the alias to be GC'd when no other references to it are held.

Version:

$Revision$

Author:

mpp

Field Summary

Fields inherited from class dsto.dfc.databeans.DataObjectLink

isSoftLink, object

Fields inherited from class dsto.dfc.databeans.AbstractDataObject

listeners

Fields inherited from interface dsto.dfc.databeans.IDataObject

OVERRIDE, PERSISTENT, PERSISTENT_OVERRIDE, TRANSIENT, TRANSIENT_OVERRIDE

Constructor Summary

DataObjectWeakRef(IDataObject object)

DataObjectWeakRef(IDataObject object, boolean isSoftLink)

Method Summary

protected void	disposeListener()
IDataObject	getLinkTarget() Get the data object that this link points to.
protected void	initListener()

Methods inherited from class dsto.dfc.databeans.DataObjectLink

dispose, getTypeInfo, getValue, isSoftLink, isTransient, propertyIterator, propertyValueChanged, setLinkTarget, setSoftLink, setValue, setValue, shallowClone

Methods inherited from class dsto.dfc.databeans.AbstractDataObject

addFirstPropertyListener, addPropertyListener, childPropertyChanged, firePropertyChangedEvent, firePropertyChangedEvent, firePropertyChangedEvent, firePropertyChangedEvent, firePropertyChangedEvent, firePropertyChangedEvent, getBeanValue, getBooleanValue, getBooleanValue, getCharValue, getCharValue, getDoubleValue, getDoubleValue, getFloatValue, getFloatValue, getIntValue, getIntValue, getLongValue, getLongValue, getObjectValue, getPropertyListeners, getShortValue, getStringValue, registerValue, removePropertyListener, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValue, toString, unregisterValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface dsto.dfc.databeans.IDataObject

addPropertyListener, getPropertyListeners, getTypeInfo, getValue, isTransient, propertyIterator, removePropertyListener, setValue, setValue, shallowClone

Methods inherited from interface dsto.dfc.databeans.IDataObjectLink

isSoftLink

Methods inherited from interface dsto.dfc.databeans.PropertyListener

propertyValueChanged

Constructor Detail

DataObjectWeakRef

public DataObjectWeakRef(IDataObject object)

DataObjectWeakRef

public DataObjectWeakRef(IDataObject object,
                         boolean isSoftLink)

Method Detail

initListener

protected void initListener()

Overrides:

initListener in class DataObjectLink

disposeListener

protected void disposeListener()

Overrides:

disposeListener in class DataObjectLink

getLinkTarget

public IDataObject getLinkTarget()

Description copied from interface: IDataObjectLink

Get the data object that this link points to.

Specified by:

getLinkTarget in interface IDataObjectLink

Overrides:

getLinkTarget in class DataObjectLink