Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/activity/NotificationEvent.java
/**
	 * Convenience constructor that specifies the target element.
	 * 
	 * @param obj
	 *            the target element.
	 */
	public NotificationEvent( DesignElement obj )
	{
		target = obj;
	}
	/**
	 * Returns the delivery path by which the event was sent to the listener.
	 * 
	 * @return the Delivery path. One of:
	 * 
	 * <ul>
	 * <li>DIRECT</li>
	 * <li>DESCENDENT</li>
	 * <li>STYLE_CLIENT</li>
	 * <li>CONTENTS</li>
	 * </ul>
	 */
	public int getDeliveryPath( )
	{
		return deliveryPath;
	}
	/**
	 * Sets the delivery path. Called by the sender to indicate the context.
	 * 
	 * @param path