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//
// $Id$
//
// Vilya library - tools for developing networked games
// Copyright (C) 2002-2012 Three Rings Design, Inc., All Rights Reserved
// http://code.google.com/p/vilya/
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

package com.threerings.stats.data;

public abstract class SetStat extends Stat
{
    /**
     * Returns the number of elements in this set.
     */
    public abstract int size ();

    /**
     * Adds the specified object to this set.
     *
     * @return true if the object was newly added, false if it was already
     * contained in the set.
     */
    public abstract boolean add (T key);

    /**
     * Returns true if the specified object is contained in this set.
     */
    public abstract boolean contains (T key);

}