aim4.im.v2i.reservation

Interface ReservationManager<Query,Plan,Ticket>

Type Parameters:

Query - the Query class

Plan - the Plan class

Ticket - the Ticket class

All Known Implementing Classes:

AczManager, ReservationGridManager

public interface ReservationManager<Query,Plan,Ticket>

A generic reservation manager.

Method Summary

Methods

Modifier and Type	Method and Description
Ticket	accept(Plan plan) Accept the proposed plan.
void	cancel(Ticket ticket) Cancel the reservation.
Plan	query(Query q) Make a query.

Method Detail

query

Plan query(Query q)

Make a query.

Parameters:

q - the query

Returns:

the plan generated to achieve the query; null if no plan is found.

accept

Ticket accept(Plan plan)

Accept the proposed plan.

Parameters:

plan - the plan genreated by query()

Returns:

the ticket of this reservation

cancel

void cancel(Ticket ticket)

Cancel the reservation.

Parameters:

ticket - the reservation