- Created SetStat<T> generic type

- IntSetStat and StringSetStat extend SetStat
- consolidated SetStat-related functions in StatSet, and added StatSet.getSetStatSize()
- she sells SetStat StatSets by the seashore

git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@683 c613c5cb-e716-0410-b11b-feb51c14d237

src/java/com/threerings/stats/data/StringSetStat.java

@@ -1,5 +1,23 @@
 //
 // $Id$
+//
+// Vilya library - tools for developing networked games
+// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/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;
 
@@ -9,11 +27,21 @@ import com.samskivert.util.StringUtil;
 /**
  * Used to track a statistic comprised of a set of strings.
  */
-public abstract class StringSetStat extends Stat
+public abstract class StringSetStat extends SetStat<String>
 {
+    /**
+     * Returns the number of Strings in this set.
+     */
+    @Override // from SetStat
+    public int size ()
+    {
+        return _values.length;
+    }
+
     /**
      * Returns true if the specified string is contained in this set.
      */
+    @Override // from SetStat
     public boolean contains (String key)
     {
         if (key == null) {
@@ -28,6 +56,7 @@ public abstract class StringSetStat extends Stat
      * @return true if the string was newly added, false if it was already
      * contained in the set.
      */
+    @Override // from SetStat
     public boolean add (String key)
     {
         if (key == null) {