// Seentab - a user's collection of Seen objects // // Copyright (C) 1996 by Jef Poskanzer . All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // 1. Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // // THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE // ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS // OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF // SUCH DAMAGE. // // Visit the ACME Labs Java page for up-to-date versions of this and other // fine Java utilities: http://www.acme.com/java/ package Acme.Conf; /// A user's collection of Seen objects. //

// A Seen object records the responses seen in a single topic. Each user // has Seen objects for each topic they are reading. This table indexes // those objects by topic. //

// This is an abstract class with separate implementations on the // client and server sides, mirrored via RPC. //

// Fetch the software.
// Fetch the entire Acme package. //

// @see User // @see Conference // @see Topic public abstract class Seentab { /// Get this user's Seen object for a given topic. // If there isn't one, a fresh one is created, stored, and returned. public abstract Seen getSeen( Topic topic ); }