Bug 214706 Script UID doens't work for Chart
Use chart "onRender" property handle and call ModuleUtil.getScriptUID(), it generates the id. But later use this id to get back the PropertyHandle or Script content, it fails.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/PropertyHandle.java
*         <code>false</code>.
	 * 
	 */
	public boolean isLocal( )
	{
		Object value = getElement( ).getLocalProperty( getModule( ), propDefn );
		return ( value != null );
	}
	/**
	 * Returns true if the two property handle has the same element and the same
	 * property.
	 * 
	 * @param propertyHandle
	 *            the property handle
	 * @return true if the two property handles are same.
	 */
	public boolean equals( Object propertyHandle )
	{
		if ( !( propertyHandle instanceof PropertyHandle ) )
			return false;
		DesignElement element = ( (PropertyHandle) propertyHandle )
				.getElement( );
		IPropertyDefn propDefn = ( (PropertyHandle) propertyHandle ).getDefn( );
		return ( element == getElement( ) ) && ( propDefn == getDefn( ) );
	}
	/**
	 * returns the element reference value list if the property is element
	 * referenceable type.
	 * 
	 * @return list of the reference element value.