Files
narya/src/main/java/com/threerings/util/StreamableHashIntMap.java
T
Michael Bayne 9d2ca42eac Convert Narya (most of the way) over to a Maven Ant task based build. The
ActionScript bits remain belligerent, but the Java stuff is mostly shipshape.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6222 542714f4-19e9-0310-aa3c-eee0fc999fb1
2010-10-22 21:12:29 +00:00

87 lines
2.5 KiB
Java

//
// $Id$
//
// Narya library - tools for developing networked games
// Copyright (C) 2002-2010 Three Rings Design, Inc., All Rights Reserved
// http://code.google.com/p/narya/
//
// 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.util;
import java.io.IOException;
import com.samskivert.util.HashIntMap;
import com.threerings.io.ObjectInputStream;
import com.threerings.io.ObjectOutputStream;
import com.threerings.io.Streamable;
/**
* A {@link HashIntMap} extension that can be streamed. The keys and values in the map must also
* be of streamable types.
*
* @see Streamable
* @param <V> the type of value stored in this map.
*/
public class StreamableHashIntMap<V> extends HashIntMap<V>
implements Streamable
{
/**
* Constructs an empty hash int map with the specified number of hash buckets.
*/
public StreamableHashIntMap (int buckets, float loadFactor)
{
super(buckets, loadFactor);
}
/**
* Constructs an empty hash int map with the default number of hash buckets.
*/
public StreamableHashIntMap ()
{
super();
}
/**
* Writes our custom streamable fields.
*/
public void writeObject (ObjectOutputStream out)
throws IOException
{
int ecount = size();
out.writeInt(ecount);
for (IntEntry<V> entry : intEntrySet()) {
out.writeInt(entry.getIntKey());
out.writeObject(entry.getValue());
}
}
/**
* Reads our custom streamable fields.
*/
public void readObject (ObjectInputStream in)
throws IOException, ClassNotFoundException
{
int ecount = in.readInt();
ensureCapacity(ecount);
for (int ii = 0; ii < ecount; ii++) {
int key = in.readInt();
@SuppressWarnings("unchecked") V value = (V)in.readObject();
put(key, value);
}
}
}