protected DimensionHandle getDimensionProperty( String propName )
public DimensionHandle getDimensionProperty( String propName )
	protected DimensionHandle getDimensionProperty( String propName )	{		ElementPropertyDefn propDefn = getElement( ).getPropertyDefn( propName );		if ( propDefn == null )			return null;		assert propDefn.getType( ) instanceof DimensionPropertyType;		return new DimensionHandle( this, propDefn );	}