//
// $Id$
//
// 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;
import java.io.IOException;
import com.samskivert.util.StringUtil;
import com.threerings.io.ObjectInputStream;
import com.threerings.io.ObjectOutputStream;
import com.threerings.util.StreamableArrayIntSet;
/**
* Used to track a statistic comprised of a bounded set of integers.
*/
public class IntSetStat extends SetStat<Integer>
{
/**
* Constructs a new IntSetStat that will store up to 255 ints.
*/
public IntSetStat ()
{
_maxSize = MAX_MAX_SIZE;
}
/**
* Constructs a new IntSetStat that will store up to maxSize ints.
*
* @param maxSize the maximum number of ints to store in the IntSetStat. Must be <= 255.
*/
public IntSetStat (int maxSize)
{
_maxSize = Math.min(maxSize, MAX_MAX_SIZE);
}
/**
* Returns the number of values stored in the set.
*/
@Override // from SetStat
public int size ()
{
return _intSet.size();
}
/**
* Returns true if the specified int is contained in this set.
*/
@Override // from SetStat
public boolean contains (Integer key)
{
return _intSet.contains(key);
}
/**
* Adds the specified int to this set.
*
* @return true if the int was newly added, false if it was already contained in the set, or
* if the set is full.
*/
@Override // from SetStat
public boolean add (Integer key)
{
boolean modified = (_intSet.size() < _maxSize) && _intSet.add(key);
setModified(_modified || modified);
return modified;
}
@Override
public void persistTo (ObjectOutputStream out, AuxDataSource aux)
throws IOException
{
out.writeByte(_maxSize - 128);
out.writeByte(_intSet.size() - 128);
for (int key : _intSet) {
out.writeInt(key);
}
}
@Override
public void unpersistFrom (ObjectInputStream in, AuxDataSource aux)
throws IOException, ClassNotFoundException
{
_maxSize = in.readByte() + 128;
int numValues = in.readByte() + 128;
_intSet = new StreamableArrayIntSet(numValues);
for (int ii = 0; ii < numValues; ii++) {
_intSet.add(in.readInt());
}
}
@Override
public String valueToString ()
{
return StringUtil.toString(_intSet);
}
protected int _maxSize;
protected StreamableArrayIntSet _intSet = new StreamableArrayIntSet();
protected static final int MAX_MAX_SIZE = 255;
}