63 lines
2 KiB
JavaScript
63 lines
2 KiB
JavaScript
|
/*
|
||
|
|
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);
|
||
|
|
};
|