Dave Hoover
657aafaedb
thing before committing instead of just going "oh yeah, I've been having this stuff sitting around uncommitted for a while waiting on it to be blessed" and missing out on things that'd changed in the meantime. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5400 542714f4-19e9-0310-aa3c-eee0fc999fb1
85 lines
2.4 KiB
Java
85 lines
2.4 KiB
Java
//
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// $Id$
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//
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// Narya 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/narya/
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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.util;
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import java.util.HashSet;
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import java.io.IOException;
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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.io.Streamable;
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/**
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* A {@link HashSet} extension that can be streamed. The values in the set must also be of
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* streamable types.
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*
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* @see Streamable
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* @param <E> the type of element stored in this set.
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*/
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public class StreamableHashSet<E> extends HashSet<E>
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implements Streamable
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{
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/**
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* Constructs an empty hash set with the specified number of hash
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* buckets.
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*/
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public StreamableHashSet (int buckets, float loadFactor)
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{
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super(buckets, loadFactor);
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}
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/**
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* Constructs an empty hash set with the default number of hash
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* buckets.
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*/
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public StreamableHashSet ()
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{
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super();
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}
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/**
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* Writes our custom streamable fields.
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*/
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public void writeObject (ObjectOutputStream out)
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throws IOException
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{
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out.writeInt(size());
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for (E value : this) {
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out.writeObject(value);
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}
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}
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/**
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* Reads our custom streamable fields.
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*/
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public void readObject (ObjectInputStream in)
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throws IOException, ClassNotFoundException
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{
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int ecount = in.readInt();
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for (int ii = 0; ii < ecount; ii++) {
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@SuppressWarnings("unchecked") E value = (E)in.readObject();
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add(value);
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}
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}
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}
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