public Dom4jInstantiator(Component component) 
{
	   
		this.nodeName = component.getNodeName();
		isInstanceNodeNames.add( nodeName );
}

 public Dom4jInstantiator(PersistentClass mappingInfo) 
{
		this.nodeName = mappingInfo.getNodeName();
		isInstanceNodeNames.add( nodeName );
		if ( mappingInfo.hasSubclasses() ) {
			Iterator itr = mappingInfo.getSubclassClosureIterator();
			while ( itr.hasNext() ) {
				final PersistentClass subclassInfo = ( PersistentClass ) itr.next();
				isInstanceNodeNames.add( subclassInfo.getNodeName() );
			}
		}
}

 public Object instantiate() 
{
		return XMLHelper.generateDom4jElement( nodeName );
}

 public Object instantiate(Serializable id) 
{
		return instantiate();
}

 public boolean isInstance(Object object) 
{
		if ( object instanceof Element ) {
			return isInstanceNodeNames.contains( ( ( Element ) object ).getName() );
		}
		else {
			return false;
		}
}