// Confgroup - a group of conferences
//
// Copyright (C) 1996 by Jef Poskanzer <jef@mail.acme.com>.  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;

import java.util.*;

/// A group of conferences.
// <P>
// Conference groups contain conferences.
// Each group has a name and a list of managers who are authorized to
// perform maintenance functions.
// <P>
// This is an abstract class with separate implementations on the
// client and server sides, mirrored via RPC.
// <P>
// <A HREF="/resources/classes/Acme/Conf/Confgroup.java">Fetch the software.</A><BR>
// <A HREF="/resources/classes/Acme.tar.gz">Fetch the entire Acme package.</A>
// <P>
// @see Conference

public abstract class Confgroup
    {

    /// The name of this group of conferences.
    public abstract String getName();
    
    /// An Enumeration of the Conferences in this group.
    public abstract Enumeration getConferences();
    
    /// Check whether a user is a manager of this conference group.
    public abstract boolean isManager( User user );


    /// Add a new conference to the group.
    // The new conference gets created with no longDesc, no login,
    // no url, etc.  You have to fill those in separately.
    // <P>
    // Only a manager may do this.
    public abstract Conference addConference( Session session, String name, String shortDesc, User host );

    /// Link an existing conference to the group.
    // <P>
    // Only a manager may do this.
    public abstract void linkConference( Session session, Conference conference );

    /// Remove a conference from the group.  It may continue to exist
    // in other conference groups; and if not, the topics it contains
    // may continue to exist in other conferences.
    // <P>
    // Only a manager may do this.
    public abstract void rmConference( Session session, Conference conference );

    }