Metacat

	/**

 	 * Checks whether the pid is reserved by the subject in the session param

 	 * If the reservation is held on the pid by the subject, we return true.

 	 * 

	 * @param session - the Session object containing the Subject

	 * @param pid - The identifier to check

	 * 

	 * @return true if the reservation exists for the subject/pid

	 * 

	 * @throws InvalidToken

	 * @throws ServiceFailure

	 * @throws NotFound - when the pid is not found (in use or in reservation)

	 * @throws NotAuthorized - when the subject does not hold a reservation on the pid

	 * @throws IdentifierNotUnique - when the pid is in use

	 * @throws NotImplemented

	 */

	@Override

	public boolean hasReservation(Session session, Identifier pid) 

		  throws InvalidToken, ServiceFailure, NotFound, NotAuthorized, IdentifierNotUnique, 

		  NotImplemented, InvalidRequest {

			throw new NotImplemented("4191", "hasReservation not implemented on this node");

	}