com.threerings.whirled.server.persist.DummySceneRepository Maven / Gradle / Ivy

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//
// $Id: DummySceneRepository.java 1046 2011-01-01 05:04:14Z dhoover $
//
// Vilya library - tools for developing networked games
// Copyright (C) 2002-2011 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.whirled.server.persist;

import com.samskivert.io.PersistenceException;

import com.threerings.whirled.data.SceneModel;
import com.threerings.whirled.data.SceneUpdate;
import com.threerings.whirled.util.NoSuchSceneException;
import com.threerings.whirled.util.UpdateList;

import static com.threerings.whirled.Log.log;

/**
 * The dummy scene repository just pretends to load and store scenes, but
 * in fact it just creates new blank scenes when requested to load a scene
 * and does nothing when requested to save one.
 */
public class DummySceneRepository implements SceneRepository
{
    // documentation inherited
    public SceneModel loadSceneModel (int sceneId)
        throws PersistenceException, NoSuchSceneException
    {
        log.info("Creating dummy scene [id=" + sceneId + "].");
        return SceneModel.blankSceneModel();
    }

    // documentation inherited from interface
    public UpdateList loadUpdates (int sceneId)
        throws PersistenceException
    {
        return new UpdateList();
    }

    // documentation inherited from interface
    public Object loadExtras (int sceneId, SceneModel model)
        throws PersistenceException
    {
        return null;
    }

    // documentation inherited from interface
    public void applyAndRecordUpdate (SceneModel model, SceneUpdate update)
        throws PersistenceException
    {
        // nothing doing
    }
}