/*
 * Copyright 2010, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


/**
 * Takes the name of a class as an argument, and returns true if this object is
 * either an instance of that class or derives from that class.
 * 
 * var t = pack.createObject('o3d.Transform');
 * t.isAClassName('o3d.Transform');
 * t.isAClassName('o3d.ParamObject');
 * t.isAClassName('o3d.Shape');
 * 
 * @param {o3d.String} class_name Name of class to check for.
 * @returns {o3d.bool}  true if this object is a or is derived from the given
 *     class name.
 */
o3d.ObjectBase.prototype.isAClassName =
    function(class_name) {
  o3d.notImplemented();
};


/**
 * Base class for all objects that can have their name set.
 * @constructor
 */
o3d.NamedObject = function() { };
o3d.inherit('NamedObject', 'NamedObjectBase');


/**
 * The object's name.
 * 
 * Setting this has no meaning to O3D, but is useful for debugging and for
 * the functions Client.getObjects, Pack.getObject,
 * RenderNode.getRenderNodesByNameInTree and
 * RenderNode.getTransformsByNameInTree
 * which search for objects by name.
 * @type {string}
 */
o3d.NamedObject.prototype.name = '';