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/*
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/*
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	Copyright (c) 2004-2006, The Dojo Foundation
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	Copyright (c) 2004-2006, The Dojo Foundation
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	All Rights Reserved.
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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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	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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	modified BSD license. For more information on Dojo licensing, see:
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		http://dojotoolkit.org/community/licensing.shtml
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		http://dojotoolkit.org/community/licensing.shtml
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*/
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*/
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dojo.provide("dojo.data.old.Observable");
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dojo.provide("dojo.data.old.Observable");
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dojo.require("dojo.lang.common");
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dojo.require("dojo.lang.common");
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dojo.require("dojo.lang.assert");
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dojo.require("dojo.lang.assert");
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dojo.data.old.Observable = function () {
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dojo.data.old.Observable = function () {
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};
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};
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dojo.data.old.Observable.prototype.addObserver = function (observer) {
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dojo.data.old.Observable.prototype.addObserver = function (observer) {
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	dojo.lang.assertType(observer, Object);
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	dojo.lang.assertType(observer, Object);
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	dojo.lang.assertType(observer.observedObjectHasChanged, Function);
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	dojo.lang.assertType(observer.observedObjectHasChanged, Function);
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	if (!this._arrayOfObservers) {
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	if (!this._arrayOfObservers) {
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		this._arrayOfObservers = [];
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		this._arrayOfObservers = [];
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	}
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	}
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	if (!dojo.lang.inArray(this._arrayOfObservers, observer)) {
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	if (!dojo.lang.inArray(this._arrayOfObservers, observer)) {
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		this._arrayOfObservers.push(observer);
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		this._arrayOfObservers.push(observer);
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	}
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	}
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};
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};
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dojo.data.old.Observable.prototype.removeObserver = function (observer) {
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dojo.data.old.Observable.prototype.removeObserver = function (observer) {
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	if (!this._arrayOfObservers) {
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	if (!this._arrayOfObservers) {
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		return;
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		return;
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	}
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	}
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	var index = dojo.lang.indexOf(this._arrayOfObservers, observer);
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	var index = dojo.lang.indexOf(this._arrayOfObservers, observer);
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	if (index != -1) {
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	if (index != -1) {
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		this._arrayOfObservers.splice(index, 1);
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		this._arrayOfObservers.splice(index, 1);
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	}
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	}
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};
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};
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dojo.data.old.Observable.prototype.getObservers = function () {
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dojo.data.old.Observable.prototype.getObservers = function () {
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	return this._arrayOfObservers;
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	return this._arrayOfObservers;
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};
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};
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