Dave Hoover
09dbd1c95a
git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@898 c613c5cb-e716-0410-b11b-feb51c14d237
98 lines
2.8 KiB
Java
98 lines
2.8 KiB
Java
//
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// $Id$
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//
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// Vilya library - tools for developing networked games
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// Copyright (C) 2002-2010 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/vilya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.stats.data;
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import com.samskivert.util.ArrayUtil;
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import com.samskivert.util.StringUtil;
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/**
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* Used to track a statistic comprised of a set of strings.
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*/
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public abstract class StringSetStat extends SetStat<String>
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{
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/**
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* Returns the number of Strings in this set.
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*/
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@Override
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public int size ()
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{
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return _values.length;
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}
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/**
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* Returns true if the specified string is contained in this set.
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*/
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@Override
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public boolean contains (String key)
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{
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if (key == null) {
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throw new IllegalArgumentException("StringSetStat cannot contain null");
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}
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return ArrayUtil.binarySearch(_values, 0, _values.length, key) >= 0;
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}
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/**
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* Adds the specified string to this set.
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*
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* @return true if the string was newly added, false if it was already
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* contained in the set.
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*/
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@Override
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public boolean add (String key)
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{
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if (key == null) {
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throw new IllegalArgumentException("Cannot add null to StringSetStat");
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}
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int iidx = ArrayUtil.binarySearch(_values, 0, _values.length, key);
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if (iidx >= 0) {
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return false;
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}
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iidx = -iidx - 1;
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String[] values = new String[_values.length+1];
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System.arraycopy(_values, 0, values, 0, iidx);
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System.arraycopy(_values, iidx, values, iidx+1, (_values.length-iidx));
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values[iidx] = key;
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_values = values;
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setModified(true);
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return true;
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}
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/**
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* Returns the values in this set. <em>Do not</em> modify the returned array.
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*/
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public String[] values ()
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{
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return _values;
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}
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@Override
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public String valueToString ()
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{
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return StringUtil.toString(_values);
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}
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/** Contains the strings in this set. */
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protected String[] _values = new String[0];
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}
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