/*	Copyright (c) 2004-2006, The Dojo Foundation	All Rights Reserved.	Licensed under the Academic Free License version 2.1 or above OR the	modified BSD license. For more information on Dojo licensing, see:		http://dojotoolkit.org/community/licensing.shtml*/dojo.provide("dojo.data.Attribute");dojo.require("dojo.data.Item");dojo.require("dojo.lang.assert");// -------------------------------------------------------------------// Constructor// -------------------------------------------------------------------dojo.data.Attribute = function(/* dojo.data.provider.Base */ dataProvider, /* string */ attributeId) {	/**	 * summary:	 * An Attribute object represents something like a column in 	 * a relational database.	 */	dojo.lang.assertType(dataProvider, [dojo.data.provider.Base, "optional"]);	dojo.lang.assertType(attributeId, String);	dojo.data.Item.call(this, dataProvider);	this._attributeId = attributeId;};dojo.inherits(dojo.data.Attribute, dojo.data.Item);// -------------------------------------------------------------------// Public instance methods// -------------------------------------------------------------------dojo.data.Attribute.prototype.toString = function() {	return this._attributeId; // string};dojo.data.Attribute.prototype.getAttributeId = function() {	/**	 * summary: 	 * Returns the string token that uniquely identifies this	 * attribute within the context of a data provider.	 * For a data provider that accesses relational databases,	 * typical attributeIds might be tokens like "name", "age", 	 * "ssn", or "dept_key".	 */ 	return this._attributeId; // string};dojo.data.Attribute.prototype.getType = function() {	/**	 * summary: Returns the data type of the values of this attribute.	 */ 	return this.get('type'); // dojo.data.Type or null};dojo.data.Attribute.prototype.setType = function(/* dojo.data.Type or null */ type) {	/**	 * summary: Sets the data type for this attribute.	 */ 	this.set('type', type);};