70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
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/*
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Copyright (c) 2004-2006, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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dojo.provide("dojo.data.ResultSet");
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dojo.require("dojo.lang.assert");
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dojo.require("dojo.collections.Collections");
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// -------------------------------------------------------------------
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// Constructor
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// -------------------------------------------------------------------
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dojo.data.ResultSet = function(/* dojo.data.provider.Base */ dataProvider, /* Array */ arrayOfItems) {
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/**
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* summary:
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* A ResultSet holds a collection of Items. A data provider
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* returns a ResultSet in reponse to a query.
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* (The name "Result Set" comes from the MySQL terminology.)
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*/
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dojo.lang.assertType(dataProvider, [dojo.data.provider.Base, "optional"]);
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dojo.lang.assertType(arrayOfItems, [Array, "optional"]);
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dojo.data.Observable.call(this);
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this._dataProvider = dataProvider;
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this._arrayOfItems = [];
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if (arrayOfItems) {
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this._arrayOfItems = arrayOfItems;
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}
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};
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dojo.inherits(dojo.data.ResultSet, dojo.data.Observable);
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// -------------------------------------------------------------------
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// Public instance methods
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// -------------------------------------------------------------------
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dojo.data.ResultSet.prototype.toString = function() {
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var returnString = this._arrayOfItems.join(', ');
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return returnString; // string
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};
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dojo.data.ResultSet.prototype.toArray = function() {
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return this._arrayOfItems; // Array
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};
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dojo.data.ResultSet.prototype.getIterator = function() {
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return new dojo.collections.Iterator(this._arrayOfItems);
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};
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dojo.data.ResultSet.prototype.getLength = function() {
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return this._arrayOfItems.length; // integer
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};
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dojo.data.ResultSet.prototype.getItemAt = function(/* numeric */ index) {
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return this._arrayOfItems[index];
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};
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dojo.data.ResultSet.prototype.indexOf = function(/* dojo.data.Item */ item) {
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return dojo.lang.indexOf(this._arrayOfItems, item); // integer
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};
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dojo.data.ResultSet.prototype.contains = function(/* dojo.data.Item */ item) {
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return dojo.lang.inArray(this._arrayOfItems, item); // boolean
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};
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dojo.data.ResultSet.prototype.getDataProvider = function() {
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return this._dataProvider; // dojo.data.provider.Base
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};
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