301a302,309
>     /**
>      * Component containing result model has been closed.  Dispose
>      * of resources.
>      */
>     void close() {
>         root.clear();
>     }
> 
356a365,372
> 
>         /**
>          * Clears contents of result node.
>          */
>         public void clear() {
>             Children children = getChildren();
>             children.remove(children.getNodes());
>         }
499c515
<             this.originalDataObject.addPropertyChangeListener(this);
---
>             this.originalDataObject.addPropertyChangeListener(WeakListener.propertyChange(this, this.originalDataObject));