Dave Hoover
bcbe163a12
git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@687 c613c5cb-e716-0410-b11b-feb51c14d237
120 lines
3.4 KiB
Java
120 lines
3.4 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) 2002-2007 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 java.io.IOException;
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import com.samskivert.util.StringUtil;
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import com.threerings.io.ObjectInputStream;
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import com.threerings.io.ObjectOutputStream;
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import com.threerings.util.StreamableArrayIntSet;
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/**
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* Used to track a statistic comprised of a bounded set of integers.
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*/
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public class IntSetStat extends SetStat<Integer>
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{
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/**
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* Constructs a new IntSetStat that will store up to 255 ints.
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*/
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public IntSetStat ()
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{
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_maxSize = MAX_MAX_SIZE;
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}
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/**
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* Constructs a new IntSetStat that will store up to maxSize ints.
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*
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* @param the maximum number of ints to store in the IntSetStat. Must be <= 255.
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*/
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public IntSetStat (int maxSize)
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{
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_maxSize = Math.min(maxSize, MAX_MAX_SIZE);
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}
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/**
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* Returns the number of values stored in the set.
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*/
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@Override // from SetStat
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public int size ()
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{
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return _intSet.size();
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}
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/**
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* Returns true if the specified int is contained in this set.
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*/
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@Override // from SetStat
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public boolean contains (Integer key)
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{
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return _intSet.contains(key);
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}
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/**
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* Adds the specified int to this set.
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*
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* @return true if the int was newly added, false if it was already contained in the set, or
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* if the set is full.
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*/
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@Override // from SetStat
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public boolean add (Integer key)
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{
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boolean modified = (_intSet.size() < _maxSize) && _intSet.add(key);
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setModified(_modified || modified);
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return modified;
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}
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@Override
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public void persistTo (ObjectOutputStream out, AuxDataSource aux)
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throws IOException
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{
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out.writeByte(_maxSize - 128);
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out.writeByte(_intSet.size() - 128);
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for (int key : _intSet) {
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out.writeInt(key);
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}
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}
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@Override
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public void unpersistFrom (ObjectInputStream in, AuxDataSource aux)
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throws IOException, ClassNotFoundException
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{
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_maxSize = in.readByte() + 128;
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int numValues = in.readByte() + 128;
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_intSet = new StreamableArrayIntSet(numValues);
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for (int ii = 0; ii < numValues; ii++) {
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_intSet.add(in.readInt());
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}
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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(_intSet);
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}
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protected int _maxSize;
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protected StreamableArrayIntSet _intSet = new StreamableArrayIntSet();
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protected static final int MAX_MAX_SIZE = 255;
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}
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