a:32:{s:9:"#provides";s:26:"dojox.data.AndOrWriteStore";s:9:"#resource";s:23:"data/AndOrWriteStore.js";s:9:"#requires";a:1:{i:0;a:2:{i:0;s:6:"common";i:1;s:25:"dojox.data.AndOrReadStore";}}s:26:"dojox.data.AndOrWriteStore";a:6:{s:4:"type";s:8:"Function";s:6:"chains";a:2:{s:9:"prototype";a:1:{i:0;s:25:"dojox.data.AndOrReadStore";}s:4:"call";a:1:{i:0;s:25:"dojox.data.AndOrReadStore";}}s:10:"parameters";a:1:{s:17:"keywordParameters";a:1:{s:4:"type";s:6:"object";}}s:6:"source";s:1985:"dojo.provide("dojox.data.AndOrWriteStore");
dojo.require("dojox.data.AndOrReadStore");


dojo.declare("dojox.data.AndOrWriteStore", dojox.data.AndOrReadStore, {
	constructor: function(/* object */ keywordParameters){
		//	keywordParameters: {typeMap: object)
		//		The structure of the typeMap object is as follows:
		//		{
		//			type0: function || object,
		//			type1: function || object,
		//			...
		//			typeN: function || object
		//		}
		//		Where if it is a function, it is assumed to be an object constructor that takes the 
		//		value of _value as the initialization parameters.  It is serialized assuming object.toString()
		//		serialization.  If it is an object, then it is assumed
		//		to be an object of general form:
		//		{
		//			type: function, //constructor.
		//			deserialize:	function(value) //The function that parses the value and constructs the object defined by type appropriately.
		//			serialize:	function(object) //The function that converts the object back into the proper file format form.
		//		}


		// AndOrWriteStore duplicates ItemFileWriteStore, except extends AndOrReadStore, which offers complex queries.
		// ItemFileWriteStore extends ItemFileReadStore to implement these additional dojo.data APIs
		this._features['dojo.data.api.Write'] = true;
		this._features['dojo.data.api.Notification'] = true;

		
		// For keeping track of changes so that we can implement isDirty and revert
		this._pending = {
			_newItems:{}, 
			_modifiedItems:{}, 
			_deletedItems:{}
		};


		if(!this._datatypeMap['Date'].serialize){
			this._datatypeMap['Date'].serialize = function(obj){
				return dojo.date.stamp.toISOString(obj, {zulu:true});
			};
		}
		//Disable only if explicitly set to false.
		if(keywordParameters && (keywordParameters.referenceIntegrity === false)){
			this.referenceIntegrity = false;
		}


		// this._saveInProgress is set to true, briefly, from when save() is first called to when it completes
		this._saveInProgress = false;";s:9:"classlike";b:1;s:7:"summary";s:0:"";}s:45:"dojox.data.AndOrWriteStore.referenceIntegrity";a:3:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:8:"instance";s:26:"dojox.data.AndOrWriteStore";s:7:"summary";s:0:"";}s:34:"dojox.data.AndOrWriteStore._assert";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:1:{s:9:"condition";a:1:{s:4:"type";s:7:"boolean";}}s:6:"source";s:84:"		if(!condition) {
			throw new Error("assertion failed in ItemFileWriteStore");
		}";s:7:"private";b:1;s:7:"summary";s:0:"";}s:50:"dojox.data.AndOrWriteStore._getIdentifierAttribute";a:5:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:6:"source";s:196:"		var identifierAttribute = this.getFeatures()['dojo.data.api.Identity'];
		// this._assert((identifierAttribute === Number) || (dojo.isString(identifierAttribute)));
		return identifierAttribute;";s:7:"private";b:1;s:7:"summary";s:0:"";}s:34:"dojox.data.AndOrWriteStore.newItem";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:2:{s:11:"keywordArgs";a:2:{s:8:"optional";b:1;s:4:"type";s:6:"Object";}s:10:"parentInfo";a:2:{s:8:"optional";b:1;s:4:"type";s:6:"Object";}}s:6:"source";s:4399:"		this._assert(!this._saveInProgress);


		if (!this._loadFinished){
			// We need to do this here so that we'll be able to find out what
			// identifierAttribute was specified in the data file.
			this._forceLoad();
		}


		if(typeof keywordArgs != "object" && typeof keywordArgs != "undefined"){
			throw new Error("newItem() was passed something other than an object");
		}
		var newIdentity = null;
		var identifierAttribute = this._getIdentifierAttribute();
		if(identifierAttribute === Number){
			newIdentity = this._arrayOfAllItems.length;
		}else{
			newIdentity = keywordArgs[identifierAttribute];
			if (typeof newIdentity === "undefined"){
				throw new Error("newItem() was not passed an identity for the new item");
			}
			if (dojo.isArray(newIdentity)){
				throw new Error("newItem() was not passed an single-valued identity");
			}
		}

		
		// make sure this identity is not already in use by another item, if identifiers were 
		// defined in the file.  Otherwise it would be the item count, 
		// which should always be unique in this case.
		if(this._itemsByIdentity){
			this._assert(typeof this._itemsByIdentity[newIdentity] === "undefined");
		}
		this._assert(typeof this._pending._newItems[newIdentity] === "undefined");
		this._assert(typeof this._pending._deletedItems[newIdentity] === "undefined");

		
		var newItem = {};
		newItem[this._storeRefPropName] = this;		
		newItem[this._itemNumPropName] = this._arrayOfAllItems.length;
		if(this._itemsByIdentity){
			this._itemsByIdentity[newIdentity] = newItem;
			//We have to set the identifier now, otherwise we can't look it
			//up at calls to setValueorValues in parentInfo handling.
			newItem[identifierAttribute] = [newIdentity];
		}
		this._arrayOfAllItems.push(newItem);


		//We need to construct some data for the onNew call too...
		var pInfo = null;

		
		// Now we need to check to see where we want to assign this thingm if any.
		if(parentInfo && parentInfo.parent && parentInfo.attribute){
			pInfo = {
				item: parentInfo.parent,
				attribute: parentInfo.attribute,
				oldValue: undefined
			};


			//See if it is multi-valued or not and handle appropriately
			//Generally, all attributes are multi-valued for this store
			//So, we only need to append if there are already values present.
			var values = this.getValues(parentInfo.parent, parentInfo.attribute);
			if(values && values.length > 0){
				var tempValues = values.slice(0, values.length);
				if(values.length === 1){
					pInfo.oldValue = values[0];
				}else{
					pInfo.oldValue = values.slice(0, values.length);
				}
				tempValues.push(newItem);
				this._setValueOrValues(parentInfo.parent, parentInfo.attribute, tempValues, false);
				pInfo.newValue = this.getValues(parentInfo.parent, parentInfo.attribute);
			}else{
				this._setValueOrValues(parentInfo.parent, parentInfo.attribute, newItem, false);
				pInfo.newValue = newItem;
			}
		}else{
			//Toplevel item, add to both top list as well as all list.
			newItem[this._rootItemPropName]=true;
			this._arrayOfTopLevelItems.push(newItem);
		}

		
		this._pending._newItems[newIdentity] = newItem;

		
		//Clone over the properties to the new item
		for(var key in keywordArgs){
			if(key === this._storeRefPropName || key === this._itemNumPropName){
				// Bummer, the user is trying to do something like
				// newItem({_S:"foo"}).  Unfortunately, our superclass,
				// ItemFileReadStore, is already using _S in each of our items
				// to hold private info.  To avoid a naming collision, we 
				// need to move all our private info to some other property 
				// of all the items/objects.  So, we need to iterate over all
				// the items and do something like: 
				//    item.__S = item._S;
				//    item._S = undefined;
				// But first we have to make sure the new "__S" variable is 
				// not in use, which means we have to iterate over all the 
				// items checking for that.
				throw new Error("encountered bug in ItemFileWriteStore.newItem");
			}
			var value = keywordArgs[key];
			if(!dojo.isArray(value)){
				value = [value];
			}
			newItem[key] = value;
			if(this.referenceIntegrity){
				for(var i = 0; i < value.length; i++){
					var val = value[i];
					if(this.isItem(val)){
						this._addReferenceToMap(val, newItem, key);
					}
				}
			}
		}
		this.onNew(newItem, pInfo); // dojo.data.api.Notification call
		return newItem; // item";s:7:"summary";s:33:"See dojo.data.api.Write.newItem()";s:7:"returns";s:4:"item";}s:46:"dojox.data.AndOrWriteStore._removeArrayElement";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:2:{s:5:"array";a:1:{s:4:"type";s:5:"Array";}s:7:"element";a:1:{s:4:"type";s:8:"anything";}}s:6:"source";s:126:"		var index = dojo.indexOf(array, element);
		if (index != -1){
			array.splice(index, 1);
			return true;
		}
		return false;";s:7:"private";b:1;s:7:"summary";s:0:"";}s:37:"dojox.data.AndOrWriteStore.deleteItem";a:5:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:1:{s:4:"item";a:1:{s:4:"type";s:4:"item";}}s:6:"source";s:3684:"		this._assert(!this._saveInProgress);
		this._assertIsItem(item);


		// Remove this item from the _arrayOfAllItems, but leave a null value in place
		// of the item, so as not to change the length of the array, so that in newItem() 
		// we can still safely do: newIdentity = this._arrayOfAllItems.length;
		var indexInArrayOfAllItems = item[this._itemNumPropName];
		var identity = this.getIdentity(item);


		//If we have reference integrity on, we need to do reference cleanup for the deleted item
		if(this.referenceIntegrity){
			//First scan all the attributes of this items for references and clean them up in the map 
			//As this item is going away, no need to track its references anymore.


			//Get the attributes list before we generate the backup so it 
			//doesn't pollute the attributes list.
			var attributes = this.getAttributes(item);


			//Backup the map, we'll have to restore it potentially, in a revert.
			if(item[this._reverseRefMap]){
				item["backup_" + this._reverseRefMap] = dojo.clone(item[this._reverseRefMap]);
			}

			
			//TODO:  This causes a reversion problem.  This list won't be restored on revert since it is
			//attached to the 'value'. item, not ours.  Need to back tese up somehow too.
			//Maybe build a map of the backup of the entries and attach it to the deleted item to be restored
			//later.  Or just record them and call _addReferenceToMap on them in revert.
			dojo.forEach(attributes, function(attribute){
				dojo.forEach(this.getValues(item, attribute), function(value){
					if(this.isItem(value)){
						//We have to back up all the references we had to others so they can be restored on a revert.
						if(!item["backupRefs_" + this._reverseRefMap]){
							item["backupRefs_" + this._reverseRefMap] = [];
						}
						item["backupRefs_" + this._reverseRefMap].push({id: this.getIdentity(value), attr: attribute});
						this._removeReferenceFromMap(value, item, attribute);
					}
				}, this);
			}, this);


			//Next, see if we have references to this item, if we do, we have to clean them up too.
			var references = item[this._reverseRefMap];
			if(references){
				//Look through all the items noted as references to clean them up.
				for(var itemId in references){
					var containingItem = null;
					if(this._itemsByIdentity){
						containingItem = this._itemsByIdentity[itemId];
					}else{
						containingItem = this._arrayOfAllItems[itemId];
					}
					//We have a reference to a containing item, now we have to process the
					//attributes and clear all references to the item being deleted.
					if(containingItem){
						for(var attribute in references[itemId]){
							var oldValues = this.getValues(containingItem, attribute) || [];
							var newValues = dojo.filter(oldValues, function(possibleItem){
							   return !(this.isItem(possibleItem) && this.getIdentity(possibleItem) == identity);
							}, this);
							//Remove the note of the reference to the item and set the values on the modified attribute.
							this._removeReferenceFromMap(item, containingItem, attribute); 
							if(newValues.length < oldValues.length){
								this._setValueOrValues(containingItem, attribute, newValues);
							}
						}
					}
				}
			}
		}


		this._arrayOfAllItems[indexInArrayOfAllItems] = null;


		item[this._storeRefPropName] = null;
		if(this._itemsByIdentity){
			delete this._itemsByIdentity[identity];
		}
		this._pending._deletedItems[identity] = item;

		
		//Remove from the toplevel items, if necessary...
		if(item[this._rootItemPropName]){
			this._removeArrayElement(this._arrayOfTopLevelItems, item);
		}
		this.onDelete(item); // dojo.data.api.Notification call
		return true;";s:7:"summary";s:36:"See dojo.data.api.Write.deleteItem()";}s:35:"dojox.data.AndOrWriteStore.setValue";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:3:{s:4:"item";a:1:{s:4:"type";s:4:"item";}s:9:"attribute";a:1:{s:4:"type";s:21:"attribute-name-string";}s:5:"value";a:1:{s:4:"type";s:15:"almost anything";}}s:6:"source";s:73:"		return this._setValueOrValues(item, attribute, value, true); // boolean";s:7:"summary";s:29:"See dojo.data.api.Write.set()";s:7:"returns";s:7:"boolean";}s:36:"dojox.data.AndOrWriteStore.setValues";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:3:{s:4:"item";a:1:{s:4:"type";s:4:"item";}s:9:"attribute";a:1:{s:4:"type";s:21:"attribute-name-string";}s:6:"values";a:1:{s:4:"type";s:5:"array";}}s:6:"source";s:74:"		return this._setValueOrValues(item, attribute, values, true); // boolean";s:7:"summary";s:35:"See dojo.data.api.Write.setValues()";s:7:"returns";s:7:"boolean";}s:41:"dojox.data.AndOrWriteStore.unsetAttribute";a:5:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:2:{s:4:"item";a:1:{s:4:"type";s:4:"item";}s:9:"attribute";a:1:{s:4:"type";s:21:"attribute-name-string";}}s:6:"source";s:59:"		return this._setValueOrValues(item, attribute, [], true);";s:7:"summary";s:40:"See dojo.data.api.Write.unsetAttribute()";}s:44:"dojox.data.AndOrWriteStore._setValueOrValues";a:7:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:4:{s:4:"item";a:1:{s:4:"type";s:4:"item";}s:9:"attribute";a:1:{s:4:"type";s:21:"attribute-name-string";}s:16:"newValueOrValues";a:1:{s:4:"type";s:8:"anything";}s:9:"callOnSet";a:2:{s:8:"optional";b:1;s:4:"type";s:7:"boolean";}}s:6:"source";s:5128:"		this._assert(!this._saveInProgress);

		
		// Check for valid arguments
		this._assertIsItem(item);
		this._assert(dojo.isString(attribute));
		this._assert(typeof newValueOrValues !== "undefined");


		// Make sure the user isn't trying to change the item's identity
		var identifierAttribute = this._getIdentifierAttribute();
		if(attribute == identifierAttribute){
			throw new Error("ItemFileWriteStore does not have support for changing the value of an item's identifier.");
		}


		// To implement the Notification API, we need to make a note of what
		// the old attribute value was, so that we can pass that info when
		// we call the onSet method.
		var oldValueOrValues = this._getValueOrValues(item, attribute);


		var identity = this.getIdentity(item);
		if(!this._pending._modifiedItems[identity]){
			// Before we actually change the item, we make a copy of it to 
			// record the original state, so that we'll be able to revert if 
			// the revert method gets called.  If the item has already been
			// modified then there's no need to do this now, since we already
			// have a record of the original state.						
			var copyOfItemState = {};
			for(var key in item){
				if((key === this._storeRefPropName) || (key === this._itemNumPropName) || (key === this._rootItemPropName)){
					copyOfItemState[key] = item[key];
				}else if(key === this._reverseRefMap){
					copyOfItemState[key] = dojo.clone(item[key]);
				}else{
					copyOfItemState[key] = item[key].slice(0, item[key].length);
				}
			}
			// Now mark the item as dirty, and save the copy of the original state
			this._pending._modifiedItems[identity] = copyOfItemState;
		}

		
		// Okay, now we can actually change this attribute on the item
		var success = false;

		
		if(dojo.isArray(newValueOrValues) && newValueOrValues.length === 0){

			
			// If we were passed an empty array as the value, that counts
			// as "unsetting" the attribute, so we need to remove this 
			// attribute from the item.
			success = delete item[attribute];
			newValueOrValues = undefined; // used in the onSet Notification call below


			if(this.referenceIntegrity && oldValueOrValues){
				var oldValues = oldValueOrValues;
				if (!dojo.isArray(oldValues)){
					oldValues = [oldValues];
				}
				for(var i = 0; i < oldValues.length; i++){
					var value = oldValues[i];
					if(this.isItem(value)){
						this._removeReferenceFromMap(value, item, attribute);
					}
				}
			}
		}else{
			var newValueArray;
			if(dojo.isArray(newValueOrValues)){
				var newValues = newValueOrValues;
				// Unfortunately, it's not safe to just do this:
				//    newValueArray = newValues;
				// Instead, we need to copy the array, which slice() does very nicely.
				// This is so that our internal data structure won't  
				// get corrupted if the user mucks with the values array *after*
				// calling setValues().
				newValueArray = newValueOrValues.slice(0, newValueOrValues.length);
			}else{
				newValueArray = [newValueOrValues];
			}


			//We need to handle reference integrity if this is on. 
			//In the case of set, we need to see if references were added or removed
			//and update the reference tracking map accordingly.
			if(this.referenceIntegrity){
				if(oldValueOrValues){
					var oldValues = oldValueOrValues;
					if(!dojo.isArray(oldValues)){
						oldValues = [oldValues];
					}
					//Use an associative map to determine what was added/removed from the list.
					//Should be O(n) performant.  First look at all the old values and make a list of them
					//Then for any item not in the old list, we add it.  If it was already present, we remove it.
					//Then we pass over the map and any references left it it need to be removed (IE, no match in
					//the new values list).
					var map = {};
					dojo.forEach(oldValues, function(possibleItem){
						if(this.isItem(possibleItem)){
							var id = this.getIdentity(possibleItem);
							map[id.toString()] = true;
						}
					}, this);
					dojo.forEach(newValueArray, function(possibleItem){
						if(this.isItem(possibleItem)){
							var id = this.getIdentity(possibleItem);
							if(map[id.toString()]){
								delete map[id.toString()];
							}else{
								this._addReferenceToMap(possibleItem, item, attribute); 
							}
						}
					}, this);
					for(var rId in map){
						var removedItem;
						if(this._itemsByIdentity){
							removedItem = this._itemsByIdentity[rId];
						}else{
							removedItem = this._arrayOfAllItems[rId];
						}
						this._removeReferenceFromMap(removedItem, item, attribute);
					}
				}else{
					//Everything is new (no old values) so we have to just
					//insert all the references, if any.
					for(var i = 0; i < newValueArray.length; i++){
						var value = newValueArray[i];
						if(this.isItem(value)){
							this._addReferenceToMap(value, item, attribute);
						}
					}
				}
			}
			item[attribute] = newValueArray;
			success = true;
		}


		// Now we make the dojo.data.api.Notification call
		if(callOnSet){
			this.onSet(item, attribute, oldValueOrValues, newValueOrValues); 
		}
		return success; // boolean";s:7:"returns";s:7:"boolean";s:7:"private";b:1;s:7:"summary";s:0:"";}s:45:"dojox.data.AndOrWriteStore._addReferenceToMap";a:7:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:3:{s:7:"refItem";a:2:{s:4:"type";s:4:"item";s:7:"summary";s:28:"The item that is referenced.";}s:10:"parentItem";a:2:{s:4:"type";s:4:"item";s:7:"summary";s:49:"The item that holds the new reference to refItem.";}s:9:"attribute";a:2:{s:4:"type";s:6:"string";s:7:"summary";s:60:"The attribute on parentItem that contains the new reference.";}}s:6:"source";s:298:"		var parentId = this.getIdentity(parentItem);
		var references = refItem[this._reverseRefMap];


		if(!references){
			references = refItem[this._reverseRefMap] = {};
		}
		var itemRef = references[parentId];
		if(!itemRef){
			itemRef = references[parentId] = {};
		}
		itemRef[attribute] = true;";s:7:"summary";s:63:"Method to add an reference map entry for an item and attribute.";s:11:"description";s:69:"Method to add an reference map entry for an item and attribute. 		 //";s:7:"private";b:1;}s:50:"dojox.data.AndOrWriteStore._removeReferenceFromMap";a:7:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:3:{s:7:"refItem";a:2:{s:4:"type";s:4:"item";s:7:"summary";s:28:"The item that is referenced.";}s:10:"parentItem";a:2:{s:4:"type";s:4:"item";s:7:"summary";s:40:"The item holding a reference to refItem.";}s:9:"attribute";a:2:{s:4:"type";s:5:"strin";s:7:"summary";s:56:"The attribute on parentItem that contains the reference.";}}s:6:"source";s:407:"		var identity = this.getIdentity(parentItem);
		var references = refItem[this._reverseRefMap];
		var itemId;
		if(references){
			for(itemId in references){
				if(itemId == identity){
					delete references[itemId][attribute];
					if(this._isEmpty(references[itemId])){
						delete references[itemId];
					}
				}
			}
			if(this._isEmpty(references)){
				delete refItem[this._reverseRefMap];
			}
		}";s:7:"summary";s:66:"Method to remove an reference map entry for an item and attribute.";s:11:"description";s:215:"Method to remove an reference map entry for an item and attribute.  This will
also perform cleanup on the map such that if there are no more references at all to
the item, its reference object and entry are removed.";s:7:"private";b:1;}s:44:"dojox.data.AndOrWriteStore._dumpReferenceMap";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:6:"source";s:271:"		var i;
		for(i = 0; i < this._arrayOfAllItems.length; i++){
			var item = this._arrayOfAllItems[i];
			if(item && item[this._reverseRefMap]){
				console.log("Item: [" + this.getIdentity(item) + "] is referenced by: " + dojo.toJson(item[this._reverseRefMap]));
			}
		}";s:7:"summary";s:88:"Function to dump the reverse reference map of all items in the store for debug purposes.";s:11:"description";s:88:"Function to dump the reverse reference map of all items in the store for debug purposes.";s:7:"private";b:1;}s:44:"dojox.data.AndOrWriteStore._getValueOrValues";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:2:{s:4:"item";a:1:{s:4:"type";s:4:"item";}s:9:"attribute";a:1:{s:4:"type";s:21:"attribute-name-string";}}s:6:"source";s:268:"		var valueOrValues = undefined;
		if(this.hasAttribute(item, attribute)){
			var valueArray = this.getValues(item, attribute);
			if(valueArray.length == 1){
				valueOrValues = valueArray[0];
			}else{
				valueOrValues = valueArray;
			}
		}
		return valueOrValues;";s:7:"private";b:1;s:7:"summary";s:0:"";}s:35:"dojox.data.AndOrWriteStore._flatten";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:1:{s:5:"value";a:1:{s:4:"type";s:8:"anything";}}s:6:"source";s:1054:"		if(this.isItem(value)){
			var item = value;
			// Given an item, return an serializable object that provides a 
			// reference to the item.
			// For example, given kermit:
			//    var kermit = store.newItem({id:2, name:"Kermit"});
			// we want to return
			//    {_reference:2}
			var identity = this.getIdentity(item);
			var referenceObject = {_reference: identity};
			return referenceObject;
		}else{
			if(typeof value === "object"){
				for(var type in this._datatypeMap){
					var typeMap = this._datatypeMap[type];
					if (dojo.isObject(typeMap) && !dojo.isFunction(typeMap)){
						if(value instanceof typeMap.type){
							if(!typeMap.serialize){
								throw new Error("ItemFileWriteStore:  No serializer defined for type mapping: [" + type + "]");
							}
							return {_type: type, _value: typeMap.serialize(value)};
						}
					} else if(value instanceof typeMap){
						//SImple mapping, therefore, return as a toString serialization.
						return {_type: type, _value: value.toString()};
					}
				}
			}
			return value;
		}";s:7:"private";b:1;s:7:"summary";s:0:"";}s:51:"dojox.data.AndOrWriteStore._getNewFileContentString";a:5:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:6:"source";s:1207:"		var serializableStructure = {};

		
		var identifierAttribute = this._getIdentifierAttribute();
		if(identifierAttribute !== Number){
			serializableStructure.identifier = identifierAttribute;
		}
		if(this._labelAttr){
			serializableStructure.label = this._labelAttr;
		}
		serializableStructure.items = [];
		for(var i = 0; i < this._arrayOfAllItems.length; ++i){
			var item = this._arrayOfAllItems[i];
			if(item !== null){
				var serializableItem = {};
				for(var key in item){
					if(key !== this._storeRefPropName && key !== this._itemNumPropName && key !== this._reverseRefMap && key !== this._rootItemPropName){
						var attribute = key;
						var valueArray = this.getValues(item, attribute);
						if(valueArray.length == 1){
							serializableItem[attribute] = this._flatten(valueArray[0]);
						}else{
							var serializableArray = [];
							for(var j = 0; j < valueArray.length; ++j){
								serializableArray.push(this._flatten(valueArray[j]));
								serializableItem[attribute] = serializableArray;
							}
						}
					}
				}
				serializableStructure.items.push(serializableItem);
			}
		}
		var prettyPrint = true;
		return dojo.toJson(serializableStructure, prettyPrint);";s:7:"summary";s:154:"Generate a string that can be saved to a file.
The result should look similar to:
http://trac.dojotoolkit.org/browser/dojo/trunk/tests/data/countries.json";s:7:"private";b:1;}s:35:"dojox.data.AndOrWriteStore._isEmpty";a:7:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:1:{s:9:"something";a:2:{s:4:"type";s:3:"The";s:7:"summary";s:27:"array or object to examine.";}}s:6:"source";s:240:"		var empty = true;
		if(dojo.isObject(something)){
			var i;
			for(i in something){
				empty = false;
				break;
			}
		}else if(dojo.isArray(something)){
			if(something.length > 0){
				empty = false;
			}
		}
		return empty; //boolean";s:7:"summary";s:72:"Function to determine if an array or object has no properties or values.";s:7:"returns";s:7:"boolean";s:7:"private";b:1;}s:31:"dojox.data.AndOrWriteStore.save";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:1:{s:11:"keywordArgs";a:1:{s:4:"type";s:6:"object";}}s:6:"source";s:1365:"		this._assert(!this._saveInProgress);

		
		// this._saveInProgress is set to true, briefly, from when save is first called to when it completes
		this._saveInProgress = true;

		
		var self = this;
		var saveCompleteCallback = function(){
			self._pending = {
				_newItems:{}, 
				_modifiedItems:{},
				_deletedItems:{}
			};


			self._saveInProgress = false; // must come after this._pending is cleared, but before any callbacks
			if(keywordArgs && keywordArgs.onComplete){
				var scope = keywordArgs.scope || dojo.global;
				keywordArgs.onComplete.call(scope);
			}
		};
		var saveFailedCallback = function(){
			self._saveInProgress = false;
			if(keywordArgs && keywordArgs.onError){
				var scope = keywordArgs.scope || dojo.global;
				keywordArgs.onError.call(scope);
			}
		};

		
		if(this._saveEverything){
			var newFileContentString = this._getNewFileContentString();
			this._saveEverything(saveCompleteCallback, saveFailedCallback, newFileContentString);
		}
		if(this._saveCustom){
			this._saveCustom(saveCompleteCallback, saveFailedCallback);
		}
		if(!this._saveEverything && !this._saveCustom){
			// Looks like there is no user-defined save-handler function.
			// That's fine, it just means the datastore is acting as a "mock-write"
			// store -- changes get saved in memory but don't get saved to disk.
			saveCompleteCallback();
		}";s:7:"summary";s:30:"See dojo.data.api.Write.save()";s:6:"chains";a:1:{s:4:"call";a:2:{i:0;s:22:"keywordArgs.onComplete";i:1;s:19:"keywordArgs.onError";}}}s:33:"dojox.data.AndOrWriteStore.revert";a:5:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:6:"source";s:3186:"		this._assert(!this._saveInProgress);


		var identity;
		for(identity in this._pending._modifiedItems){
			// find the original item and the modified item that replaced it
			var originalItem = this._pending._modifiedItems[identity];
			var modifiedItem = null;
			if(this._itemsByIdentity){
				modifiedItem = this._itemsByIdentity[identity];
			}else{
				modifiedItem = this._arrayOfAllItems[identity];
			}

			
			// make the original item into a full-fledged item again
			originalItem[this._storeRefPropName] = this;
			modifiedItem[this._storeRefPropName] = null;


			// replace the modified item with the original one
			var arrayIndex = modifiedItem[this._itemNumPropName];
			this._arrayOfAllItems[arrayIndex] = originalItem;

			
			if(modifiedItem[this._rootItemPropName]){
				var i;
				for (i = 0; i < this._arrayOfTopLevelItems.length; i++) {
					var possibleMatch = this._arrayOfTopLevelItems[i];
					if (this.getIdentity(possibleMatch) == identity){
						this._arrayOfTopLevelItems[i] = originalItem;
						break;
					}
				}
			}
			if(this._itemsByIdentity){
				this._itemsByIdentity[identity] = originalItem;
			}			
		}
		var deletedItem;
		for(identity in this._pending._deletedItems){
			deletedItem = this._pending._deletedItems[identity];
			deletedItem[this._storeRefPropName] = this;
			var index = deletedItem[this._itemNumPropName];


			//Restore the reverse refererence map, if any.
			if(deletedItem["backup_" + this._reverseRefMap]){
				deletedItem[this._reverseRefMap] = deletedItem["backup_" + this._reverseRefMap];
				delete deletedItem["backup_" + this._reverseRefMap];
			}
			this._arrayOfAllItems[index] = deletedItem;
			if (this._itemsByIdentity) {
				this._itemsByIdentity[identity] = deletedItem;
			}
			if(deletedItem[this._rootItemPropName]){
				this._arrayOfTopLevelItems.push(deletedItem);
			}	  
		}
		//We have to pass through it again and restore the reference maps after all the
		//undeletes have occurred.
		for(identity in this._pending._deletedItems){
			deletedItem = this._pending._deletedItems[identity];
			if(deletedItem["backupRefs_" + this._reverseRefMap]){
				dojo.forEach(deletedItem["backupRefs_" + this._reverseRefMap], function(reference){
					var refItem;
					if(this._itemsByIdentity){
						refItem = this._itemsByIdentity[reference.id];
					}else{
						refItem = this._arrayOfAllItems[reference.id];
					}
					this._addReferenceToMap(refItem, deletedItem, reference.attr);
				}, this);
				delete deletedItem["backupRefs_" + this._reverseRefMap]; 
			}
		}

		
		for(identity in this._pending._newItems){
			var newItem = this._pending._newItems[identity];
			newItem[this._storeRefPropName] = null;
			// null out the new item, but don't change the array index so
			// so we can keep using _arrayOfAllItems.length.
			this._arrayOfAllItems[newItem[this._itemNumPropName]] = null;
			if(newItem[this._rootItemPropName]){
				this._removeArrayElement(this._arrayOfTopLevelItems, newItem);
			}
			if(this._itemsByIdentity){
				delete this._itemsByIdentity[identity];
			}
		}


		this._pending = {
			_newItems:{}, 
			_modifiedItems:{}, 
			_deletedItems:{}
		};
		return true; // boolean";s:7:"summary";s:32:"See dojo.data.api.Write.revert()";s:7:"returns";s:7:"boolean";}s:34:"dojox.data.AndOrWriteStore.isDirty";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:1:{s:4:"item";a:2:{s:8:"optional";b:1;s:4:"type";s:4:"item";}}s:6:"source";s:614:"		if(item){
			// return true if the item is dirty
			var identity = this.getIdentity(item);
			return new Boolean(this._pending._newItems[identity] || 
				this._pending._modifiedItems[identity] ||
				this._pending._deletedItems[identity]).valueOf(); // boolean
		}else{
			// return true if the store is dirty -- which means return true
			// if there are any new items, dirty items, or modified items
			if(!this._isEmpty(this._pending._newItems) || 
			   !this._isEmpty(this._pending._modifiedItems) ||
			   !this._isEmpty(this._pending._deletedItems)){
				return true;
			}
			return false; // boolean
		}";s:7:"summary";s:33:"See dojo.data.api.Write.isDirty()";s:7:"returns";s:7:"boolean";}s:32:"dojox.data.AndOrWriteStore.onSet";a:5:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:4:{s:4:"item";a:1:{s:4:"type";s:4:"item";}s:9:"attribute";a:1:{s:4:"type";s:21:"attribute-name-string";}s:8:"oldValue";a:1:{s:4:"type";s:14:"object | array";}s:8:"newValue";a:1:{s:4:"type";s:14:"object | array";}}s:6:"source";s:169:"		// summary: See dojo.data.api.Notification.onSet()

		
		// No need to do anything. This method is here just so that the 
		// client code can connect observers to it.";s:7:"summary";s:141:"See dojo.data.api.Notification.onSet()

No need to do anything. This method is here just so that the
client code can connect observers to it.";}s:32:"dojox.data.AndOrWriteStore.onNew";a:5:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:2:{s:7:"newItem";a:1:{s:4:"type";s:4:"item";}s:10:"parentInfo";a:2:{s:8:"optional";b:1;s:4:"type";s:6:"object";}}s:6:"source";s:170:"		// summary: See dojo.data.api.Notification.onNew()

		
		// No need to do anything. This method is here just so that the 
		// client code can connect observers to it. ";s:7:"summary";s:141:"See dojo.data.api.Notification.onNew()

No need to do anything. This method is here just so that the
client code can connect observers to it.";}s:35:"dojox.data.AndOrWriteStore.onDelete";a:5:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:1:{s:11:"deletedItem";a:1:{s:4:"type";s:4:"item";}}s:6:"source";s:173:"		// summary: See dojo.data.api.Notification.onDelete()

		
		// No need to do anything. This method is here just so that the 
		// client code can connect observers to it. ";s:7:"summary";s:144:"See dojo.data.api.Notification.onDelete()

No need to do anything. This method is here just so that the
client code can connect observers to it.";}s:32:"dojox.data.AndOrWriteStore.close";a:6:{s:9:"prototype";s:26:"dojox.data.AndOrWriteStore";s:4:"type";s:8:"Function";s:10:"parameters";a:1:{s:7:"request";a:2:{s:8:"optional";b:1;s:4:"type";s:6:"object";}}s:6:"source";s:29859:"dojo.provide("dojox.data.AndOrWriteStore");
dojo.require("dojox.data.AndOrReadStore");


dojo.declare("dojox.data.AndOrWriteStore", dojox.data.AndOrReadStore, {
	constructor: function(/* object */ keywordParameters){
		//	keywordParameters: {typeMap: object)
		//		The structure of the typeMap object is as follows:
		//		{
		//			type0: function || object,
		//			type1: function || object,
		//			...
		//			typeN: function || object
		//		}
		//		Where if it is a function, it is assumed to be an object constructor that takes the 
		//		value of _value as the initialization parameters.  It is serialized assuming object.toString()
		//		serialization.  If it is an object, then it is assumed
		//		to be an object of general form:
		//		{
		//			type: function, //constructor.
		//			deserialize:	function(value) //The function that parses the value and constructs the object defined by type appropriately.
		//			serialize:	function(object) //The function that converts the object back into the proper file format form.
		//		}


		// AndOrWriteStore duplicates ItemFileWriteStore, except extends AndOrReadStore, which offers complex queries.
		// ItemFileWriteStore extends ItemFileReadStore to implement these additional dojo.data APIs
		this._features['dojo.data.api.Write'] = true;
		this._features['dojo.data.api.Notification'] = true;

		
		// For keeping track of changes so that we can implement isDirty and revert
		this._pending = {
			_newItems:{}, 
			_modifiedItems:{}, 
			_deletedItems:{}
		};


		if(!this._datatypeMap['Date'].serialize){
			this._datatypeMap['Date'].serialize = function(obj){
				return dojo.date.stamp.toISOString(obj, {zulu:true});
			};
		}
		//Disable only if explicitly set to false.
		if(keywordParameters && (keywordParameters.referenceIntegrity === false)){
			this.referenceIntegrity = false;
		}


		// this._saveInProgress is set to true, briefly, from when save() is first called to when it completes
		this._saveInProgress = false;
	},


	referenceIntegrity: true,  //Flag that defaultly enabled reference integrity tracking.  This way it can also be disabled pogrammatially or declaratively.


	_assert: function(/* boolean */ condition){
		if(!condition) {
			throw new Error("assertion failed in ItemFileWriteStore");
		}
	},


	_getIdentifierAttribute: function(){
		var identifierAttribute = this.getFeatures()['dojo.data.api.Identity'];
		// this._assert((identifierAttribute === Number) || (dojo.isString(identifierAttribute)));
		return identifierAttribute;
	},

	

	
/* dojo.data.api.Write */


	newItem: function(/* Object? */ keywordArgs, /* Object? */ parentInfo){
		// summary: See dojo.data.api.Write.newItem()


		this._assert(!this._saveInProgress);


		if (!this._loadFinished){
			// We need to do this here so that we'll be able to find out what
			// identifierAttribute was specified in the data file.
			this._forceLoad();
		}


		if(typeof keywordArgs != "object" && typeof keywordArgs != "undefined"){
			throw new Error("newItem() was passed something other than an object");
		}
		var newIdentity = null;
		var identifierAttribute = this._getIdentifierAttribute();
		if(identifierAttribute === Number){
			newIdentity = this._arrayOfAllItems.length;
		}else{
			newIdentity = keywordArgs[identifierAttribute];
			if (typeof newIdentity === "undefined"){
				throw new Error("newItem() was not passed an identity for the new item");
			}
			if (dojo.isArray(newIdentity)){
				throw new Error("newItem() was not passed an single-valued identity");
			}
		}

		
		// make sure this identity is not already in use by another item, if identifiers were 
		// defined in the file.  Otherwise it would be the item count, 
		// which should always be unique in this case.
		if(this._itemsByIdentity){
			this._assert(typeof this._itemsByIdentity[newIdentity] === "undefined");
		}
		this._assert(typeof this._pending._newItems[newIdentity] === "undefined");
		this._assert(typeof this._pending._deletedItems[newIdentity] === "undefined");

		
		var newItem = {};
		newItem[this._storeRefPropName] = this;		
		newItem[this._itemNumPropName] = this._arrayOfAllItems.length;
		if(this._itemsByIdentity){
			this._itemsByIdentity[newIdentity] = newItem;
			//We have to set the identifier now, otherwise we can't look it
			//up at calls to setValueorValues in parentInfo handling.
			newItem[identifierAttribute] = [newIdentity];
		}
		this._arrayOfAllItems.push(newItem);


		//We need to construct some data for the onNew call too...
		var pInfo = null;

		
		// Now we need to check to see where we want to assign this thingm if any.
		if(parentInfo && parentInfo.parent && parentInfo.attribute){
			pInfo = {
				item: parentInfo.parent,
				attribute: parentInfo.attribute,
				oldValue: undefined
			};


			//See if it is multi-valued or not and handle appropriately
			//Generally, all attributes are multi-valued for this store
			//So, we only need to append if there are already values present.
			var values = this.getValues(parentInfo.parent, parentInfo.attribute);
			if(values && values.length > 0){
				var tempValues = values.slice(0, values.length);
				if(values.length === 1){
					pInfo.oldValue = values[0];
				}else{
					pInfo.oldValue = values.slice(0, values.length);
				}
				tempValues.push(newItem);
				this._setValueOrValues(parentInfo.parent, parentInfo.attribute, tempValues, false);
				pInfo.newValue = this.getValues(parentInfo.parent, parentInfo.attribute);
			}else{
				this._setValueOrValues(parentInfo.parent, parentInfo.attribute, newItem, false);
				pInfo.newValue = newItem;
			}
		}else{
			//Toplevel item, add to both top list as well as all list.
			newItem[this._rootItemPropName]=true;
			this._arrayOfTopLevelItems.push(newItem);
		}

		
		this._pending._newItems[newIdentity] = newItem;

		
		//Clone over the properties to the new item
		for(var key in keywordArgs){
			if(key === this._storeRefPropName || key === this._itemNumPropName){
				// Bummer, the user is trying to do something like
				// newItem({_S:"foo"}).  Unfortunately, our superclass,
				// ItemFileReadStore, is already using _S in each of our items
				// to hold private info.  To avoid a naming collision, we 
				// need to move all our private info to some other property 
				// of all the items/objects.  So, we need to iterate over all
				// the items and do something like: 
				//    item.__S = item._S;
				//    item._S = undefined;
				// But first we have to make sure the new "__S" variable is 
				// not in use, which means we have to iterate over all the 
				// items checking for that.
				throw new Error("encountered bug in ItemFileWriteStore.newItem");
			}
			var value = keywordArgs[key];
			if(!dojo.isArray(value)){
				value = [value];
			}
			newItem[key] = value;
			if(this.referenceIntegrity){
				for(var i = 0; i < value.length; i++){
					var val = value[i];
					if(this.isItem(val)){
						this._addReferenceToMap(val, newItem, key);
					}
				}
			}
		}
		this.onNew(newItem, pInfo); // dojo.data.api.Notification call
		return newItem; // item
	},

	
	_removeArrayElement: function(/* Array */ array, /* anything */ element){
		var index = dojo.indexOf(array, element);
		if (index != -1){
			array.splice(index, 1);
			return true;
		}
		return false;
	},

	
	deleteItem: function(/* item */ item){
		// summary: See dojo.data.api.Write.deleteItem()
		this._assert(!this._saveInProgress);
		this._assertIsItem(item);


		// Remove this item from the _arrayOfAllItems, but leave a null value in place
		// of the item, so as not to change the length of the array, so that in newItem() 
		// we can still safely do: newIdentity = this._arrayOfAllItems.length;
		var indexInArrayOfAllItems = item[this._itemNumPropName];
		var identity = this.getIdentity(item);


		//If we have reference integrity on, we need to do reference cleanup for the deleted item
		if(this.referenceIntegrity){
			//First scan all the attributes of this items for references and clean them up in the map 
			//As this item is going away, no need to track its references anymore.


			//Get the attributes list before we generate the backup so it 
			//doesn't pollute the attributes list.
			var attributes = this.getAttributes(item);


			//Backup the map, we'll have to restore it potentially, in a revert.
			if(item[this._reverseRefMap]){
				item["backup_" + this._reverseRefMap] = dojo.clone(item[this._reverseRefMap]);
			}

			
			//TODO:  This causes a reversion problem.  This list won't be restored on revert since it is
			//attached to the 'value'. item, not ours.  Need to back tese up somehow too.
			//Maybe build a map of the backup of the entries and attach it to the deleted item to be restored
			//later.  Or just record them and call _addReferenceToMap on them in revert.
			dojo.forEach(attributes, function(attribute){
				dojo.forEach(this.getValues(item, attribute), function(value){
					if(this.isItem(value)){
						//We have to back up all the references we had to others so they can be restored on a revert.
						if(!item["backupRefs_" + this._reverseRefMap]){
							item["backupRefs_" + this._reverseRefMap] = [];
						}
						item["backupRefs_" + this._reverseRefMap].push({id: this.getIdentity(value), attr: attribute});
						this._removeReferenceFromMap(value, item, attribute);
					}
				}, this);
			}, this);


			//Next, see if we have references to this item, if we do, we have to clean them up too.
			var references = item[this._reverseRefMap];
			if(references){
				//Look through all the items noted as references to clean them up.
				for(var itemId in references){
					var containingItem = null;
					if(this._itemsByIdentity){
						containingItem = this._itemsByIdentity[itemId];
					}else{
						containingItem = this._arrayOfAllItems[itemId];
					}
					//We have a reference to a containing item, now we have to process the
					//attributes and clear all references to the item being deleted.
					if(containingItem){
						for(var attribute in references[itemId]){
							var oldValues = this.getValues(containingItem, attribute) || [];
							var newValues = dojo.filter(oldValues, function(possibleItem){
							   return !(this.isItem(possibleItem) && this.getIdentity(possibleItem) == identity);
							}, this);
							//Remove the note of the reference to the item and set the values on the modified attribute.
							this._removeReferenceFromMap(item, containingItem, attribute); 
							if(newValues.length < oldValues.length){
								this._setValueOrValues(containingItem, attribute, newValues);
							}
						}
					}
				}
			}
		}


		this._arrayOfAllItems[indexInArrayOfAllItems] = null;


		item[this._storeRefPropName] = null;
		if(this._itemsByIdentity){
			delete this._itemsByIdentity[identity];
		}
		this._pending._deletedItems[identity] = item;

		
		//Remove from the toplevel items, if necessary...
		if(item[this._rootItemPropName]){
			this._removeArrayElement(this._arrayOfTopLevelItems, item);
		}
		this.onDelete(item); // dojo.data.api.Notification call
		return true;
	},


	setValue: function(/* item */ item, /* attribute-name-string */ attribute, /* almost anything */ value){
		// summary: See dojo.data.api.Write.set()
		return this._setValueOrValues(item, attribute, value, true); // boolean
	},

	
	setValues: function(/* item */ item, /* attribute-name-string */ attribute, /* array */ values){
		// summary: See dojo.data.api.Write.setValues()
		return this._setValueOrValues(item, attribute, values, true); // boolean
	},

	
	unsetAttribute: function(/* item */ item, /* attribute-name-string */ attribute){
		// summary: See dojo.data.api.Write.unsetAttribute()
		return this._setValueOrValues(item, attribute, [], true);
	},

	
	_setValueOrValues: function(/* item */ item, /* attribute-name-string */ attribute, /* anything */ newValueOrValues, /*boolean?*/ callOnSet){
		this._assert(!this._saveInProgress);

		
		// Check for valid arguments
		this._assertIsItem(item);
		this._assert(dojo.isString(attribute));
		this._assert(typeof newValueOrValues !== "undefined");


		// Make sure the user isn't trying to change the item's identity
		var identifierAttribute = this._getIdentifierAttribute();
		if(attribute == identifierAttribute){
			throw new Error("ItemFileWriteStore does not have support for changing the value of an item's identifier.");
		}


		// To implement the Notification API, we need to make a note of what
		// the old attribute value was, so that we can pass that info when
		// we call the onSet method.
		var oldValueOrValues = this._getValueOrValues(item, attribute);


		var identity = this.getIdentity(item);
		if(!this._pending._modifiedItems[identity]){
			// Before we actually change the item, we make a copy of it to 
			// record the original state, so that we'll be able to revert if 
			// the revert method gets called.  If the item has already been
			// modified then there's no need to do this now, since we already
			// have a record of the original state.						
			var copyOfItemState = {};
			for(var key in item){
				if((key === this._storeRefPropName) || (key === this._itemNumPropName) || (key === this._rootItemPropName)){
					copyOfItemState[key] = item[key];
				}else if(key === this._reverseRefMap){
					copyOfItemState[key] = dojo.clone(item[key]);
				}else{
					copyOfItemState[key] = item[key].slice(0, item[key].length);
				}
			}
			// Now mark the item as dirty, and save the copy of the original state
			this._pending._modifiedItems[identity] = copyOfItemState;
		}

		
		// Okay, now we can actually change this attribute on the item
		var success = false;

		
		if(dojo.isArray(newValueOrValues) && newValueOrValues.length === 0){

			
			// If we were passed an empty array as the value, that counts
			// as "unsetting" the attribute, so we need to remove this 
			// attribute from the item.
			success = delete item[attribute];
			newValueOrValues = undefined; // used in the onSet Notification call below


			if(this.referenceIntegrity && oldValueOrValues){
				var oldValues = oldValueOrValues;
				if (!dojo.isArray(oldValues)){
					oldValues = [oldValues];
				}
				for(var i = 0; i < oldValues.length; i++){
					var value = oldValues[i];
					if(this.isItem(value)){
						this._removeReferenceFromMap(value, item, attribute);
					}
				}
			}
		}else{
			var newValueArray;
			if(dojo.isArray(newValueOrValues)){
				var newValues = newValueOrValues;
				// Unfortunately, it's not safe to just do this:
				//    newValueArray = newValues;
				// Instead, we need to copy the array, which slice() does very nicely.
				// This is so that our internal data structure won't  
				// get corrupted if the user mucks with the values array *after*
				// calling setValues().
				newValueArray = newValueOrValues.slice(0, newValueOrValues.length);
			}else{
				newValueArray = [newValueOrValues];
			}


			//We need to handle reference integrity if this is on. 
			//In the case of set, we need to see if references were added or removed
			//and update the reference tracking map accordingly.
			if(this.referenceIntegrity){
				if(oldValueOrValues){
					var oldValues = oldValueOrValues;
					if(!dojo.isArray(oldValues)){
						oldValues = [oldValues];
					}
					//Use an associative map to determine what was added/removed from the list.
					//Should be O(n) performant.  First look at all the old values and make a list of them
					//Then for any item not in the old list, we add it.  If it was already present, we remove it.
					//Then we pass over the map and any references left it it need to be removed (IE, no match in
					//the new values list).
					var map = {};
					dojo.forEach(oldValues, function(possibleItem){
						if(this.isItem(possibleItem)){
							var id = this.getIdentity(possibleItem);
							map[id.toString()] = true;
						}
					}, this);
					dojo.forEach(newValueArray, function(possibleItem){
						if(this.isItem(possibleItem)){
							var id = this.getIdentity(possibleItem);
							if(map[id.toString()]){
								delete map[id.toString()];
							}else{
								this._addReferenceToMap(possibleItem, item, attribute); 
							}
						}
					}, this);
					for(var rId in map){
						var removedItem;
						if(this._itemsByIdentity){
							removedItem = this._itemsByIdentity[rId];
						}else{
							removedItem = this._arrayOfAllItems[rId];
						}
						this._removeReferenceFromMap(removedItem, item, attribute);
					}
				}else{
					//Everything is new (no old values) so we have to just
					//insert all the references, if any.
					for(var i = 0; i < newValueArray.length; i++){
						var value = newValueArray[i];
						if(this.isItem(value)){
							this._addReferenceToMap(value, item, attribute);
						}
					}
				}
			}
			item[attribute] = newValueArray;
			success = true;
		}


		// Now we make the dojo.data.api.Notification call
		if(callOnSet){
			this.onSet(item, attribute, oldValueOrValues, newValueOrValues); 
		}
		return success; // boolean
	},


	_addReferenceToMap: function(/*item*/ refItem, /*item*/ parentItem, /*string*/ attribute){
		//	summary:
		//		Method to add an reference map entry for an item and attribute.
		//	description:
		//		Method to add an reference map entry for an item and attribute. 		 //
		//	refItem:
		//		The item that is referenced.
		//	parentItem:
		//		The item that holds the new reference to refItem.
		//	attribute:
		//		The attribute on parentItem that contains the new reference.

		 
		var parentId = this.getIdentity(parentItem);
		var references = refItem[this._reverseRefMap];


		if(!references){
			references = refItem[this._reverseRefMap] = {};
		}
		var itemRef = references[parentId];
		if(!itemRef){
			itemRef = references[parentId] = {};
		}
		itemRef[attribute] = true;
	},


	_removeReferenceFromMap: function(/* item */ refItem, /* item */ parentItem, /*strin*/ attribute){
		//	summary:
		//		Method to remove an reference map entry for an item and attribute.
		//	description:
		//		Method to remove an reference map entry for an item and attribute.  This will
		//		also perform cleanup on the map such that if there are no more references at all to 
		//		the item, its reference object and entry are removed.
		//
		//	refItem:
		//		The item that is referenced.
		//	parentItem:
		//		The item holding a reference to refItem.
		//	attribute:
		//		The attribute on parentItem that contains the reference.
		var identity = this.getIdentity(parentItem);
		var references = refItem[this._reverseRefMap];
		var itemId;
		if(references){
			for(itemId in references){
				if(itemId == identity){
					delete references[itemId][attribute];
					if(this._isEmpty(references[itemId])){
						delete references[itemId];
					}
				}
			}
			if(this._isEmpty(references)){
				delete refItem[this._reverseRefMap];
			}
		}
	},


	_dumpReferenceMap: function(){
		//	summary:
		//		Function to dump the reverse reference map of all items in the store for debug purposes.
		//	description:
		//		Function to dump the reverse reference map of all items in the store for debug purposes.
		var i;
		for(i = 0; i < this._arrayOfAllItems.length; i++){
			var item = this._arrayOfAllItems[i];
			if(item && item[this._reverseRefMap]){
				console.log("Item: [" + this.getIdentity(item) + "] is referenced by: " + dojo.toJson(item[this._reverseRefMap]));
			}
		}
	},

						   
	_getValueOrValues: function(/* item */ item, /* attribute-name-string */ attribute){
		var valueOrValues = undefined;
		if(this.hasAttribute(item, attribute)){
			var valueArray = this.getValues(item, attribute);
			if(valueArray.length == 1){
				valueOrValues = valueArray[0];
			}else{
				valueOrValues = valueArray;
			}
		}
		return valueOrValues;
	},

	
	_flatten: function(/* anything */ value){
		if(this.isItem(value)){
			var item = value;
			// Given an item, return an serializable object that provides a 
			// reference to the item.
			// For example, given kermit:
			//    var kermit = store.newItem({id:2, name:"Kermit"});
			// we want to return
			//    {_reference:2}
			var identity = this.getIdentity(item);
			var referenceObject = {_reference: identity};
			return referenceObject;
		}else{
			if(typeof value === "object"){
				for(var type in this._datatypeMap){
					var typeMap = this._datatypeMap[type];
					if (dojo.isObject(typeMap) && !dojo.isFunction(typeMap)){
						if(value instanceof typeMap.type){
							if(!typeMap.serialize){
								throw new Error("ItemFileWriteStore:  No serializer defined for type mapping: [" + type + "]");
							}
							return {_type: type, _value: typeMap.serialize(value)};
						}
					} else if(value instanceof typeMap){
						//SImple mapping, therefore, return as a toString serialization.
						return {_type: type, _value: value.toString()};
					}
				}
			}
			return value;
		}
	},

	
	_getNewFileContentString: function(){
		// summary: 
		//		Generate a string that can be saved to a file.
		//		The result should look similar to:
		//		http://trac.dojotoolkit.org/browser/dojo/trunk/tests/data/countries.json
		var serializableStructure = {};

		
		var identifierAttribute = this._getIdentifierAttribute();
		if(identifierAttribute !== Number){
			serializableStructure.identifier = identifierAttribute;
		}
		if(this._labelAttr){
			serializableStructure.label = this._labelAttr;
		}
		serializableStructure.items = [];
		for(var i = 0; i < this._arrayOfAllItems.length; ++i){
			var item = this._arrayOfAllItems[i];
			if(item !== null){
				var serializableItem = {};
				for(var key in item){
					if(key !== this._storeRefPropName && key !== this._itemNumPropName && key !== this._reverseRefMap && key !== this._rootItemPropName){
						var attribute = key;
						var valueArray = this.getValues(item, attribute);
						if(valueArray.length == 1){
							serializableItem[attribute] = this._flatten(valueArray[0]);
						}else{
							var serializableArray = [];
							for(var j = 0; j < valueArray.length; ++j){
								serializableArray.push(this._flatten(valueArray[j]));
								serializableItem[attribute] = serializableArray;
							}
						}
					}
				}
				serializableStructure.items.push(serializableItem);
			}
		}
		var prettyPrint = true;
		return dojo.toJson(serializableStructure, prettyPrint);
	},


	_isEmpty: function(something){
		//	summary: 
		//		Function to determine if an array or object has no properties or values.
		//	something:
		//		The array or object to examine.
		var empty = true;
		if(dojo.isObject(something)){
			var i;
			for(i in something){
				empty = false;
				break;
			}
		}else if(dojo.isArray(something)){
			if(something.length > 0){
				empty = false;
			}
		}
		return empty; //boolean
	},

	
	save: function(/* object */ keywordArgs){
		// summary: See dojo.data.api.Write.save()
		this._assert(!this._saveInProgress);

		
		// this._saveInProgress is set to true, briefly, from when save is first called to when it completes
		this._saveInProgress = true;

		
		var self = this;
		var saveCompleteCallback = function(){
			self._pending = {
				_newItems:{}, 
				_modifiedItems:{},
				_deletedItems:{}
			};


			self._saveInProgress = false; // must come after this._pending is cleared, but before any callbacks
			if(keywordArgs && keywordArgs.onComplete){
				var scope = keywordArgs.scope || dojo.global;
				keywordArgs.onComplete.call(scope);
			}
		};
		var saveFailedCallback = function(){
			self._saveInProgress = false;
			if(keywordArgs && keywordArgs.onError){
				var scope = keywordArgs.scope || dojo.global;
				keywordArgs.onError.call(scope);
			}
		};

		
		if(this._saveEverything){
			var newFileContentString = this._getNewFileContentString();
			this._saveEverything(saveCompleteCallback, saveFailedCallback, newFileContentString);
		}
		if(this._saveCustom){
			this._saveCustom(saveCompleteCallback, saveFailedCallback);
		}
		if(!this._saveEverything && !this._saveCustom){
			// Looks like there is no user-defined save-handler function.
			// That's fine, it just means the datastore is acting as a "mock-write"
			// store -- changes get saved in memory but don't get saved to disk.
			saveCompleteCallback();
		}
	},

	
	revert: function(){
		// summary: See dojo.data.api.Write.revert()
		this._assert(!this._saveInProgress);


		var identity;
		for(identity in this._pending._modifiedItems){
			// find the original item and the modified item that replaced it
			var originalItem = this._pending._modifiedItems[identity];
			var modifiedItem = null;
			if(this._itemsByIdentity){
				modifiedItem = this._itemsByIdentity[identity];
			}else{
				modifiedItem = this._arrayOfAllItems[identity];
			}

			
			// make the original item into a full-fledged item again
			originalItem[this._storeRefPropName] = this;
			modifiedItem[this._storeRefPropName] = null;


			// replace the modified item with the original one
			var arrayIndex = modifiedItem[this._itemNumPropName];
			this._arrayOfAllItems[arrayIndex] = originalItem;

			
			if(modifiedItem[this._rootItemPropName]){
				var i;
				for (i = 0; i < this._arrayOfTopLevelItems.length; i++) {
					var possibleMatch = this._arrayOfTopLevelItems[i];
					if (this.getIdentity(possibleMatch) == identity){
						this._arrayOfTopLevelItems[i] = originalItem;
						break;
					}
				}
			}
			if(this._itemsByIdentity){
				this._itemsByIdentity[identity] = originalItem;
			}			
		}
		var deletedItem;
		for(identity in this._pending._deletedItems){
			deletedItem = this._pending._deletedItems[identity];
			deletedItem[this._storeRefPropName] = this;
			var index = deletedItem[this._itemNumPropName];


			//Restore the reverse refererence map, if any.
			if(deletedItem["backup_" + this._reverseRefMap]){
				deletedItem[this._reverseRefMap] = deletedItem["backup_" + this._reverseRefMap];
				delete deletedItem["backup_" + this._reverseRefMap];
			}
			this._arrayOfAllItems[index] = deletedItem;
			if (this._itemsByIdentity) {
				this._itemsByIdentity[identity] = deletedItem;
			}
			if(deletedItem[this._rootItemPropName]){
				this._arrayOfTopLevelItems.push(deletedItem);
			}	  
		}
		//We have to pass through it again and restore the reference maps after all the
		//undeletes have occurred.
		for(identity in this._pending._deletedItems){
			deletedItem = this._pending._deletedItems[identity];
			if(deletedItem["backupRefs_" + this._reverseRefMap]){
				dojo.forEach(deletedItem["backupRefs_" + this._reverseRefMap], function(reference){
					var refItem;
					if(this._itemsByIdentity){
						refItem = this._itemsByIdentity[reference.id];
					}else{
						refItem = this._arrayOfAllItems[reference.id];
					}
					this._addReferenceToMap(refItem, deletedItem, reference.attr);
				}, this);
				delete deletedItem["backupRefs_" + this._reverseRefMap]; 
			}
		}

		
		for(identity in this._pending._newItems){
			var newItem = this._pending._newItems[identity];
			newItem[this._storeRefPropName] = null;
			// null out the new item, but don't change the array index so
			// so we can keep using _arrayOfAllItems.length.
			this._arrayOfAllItems[newItem[this._itemNumPropName]] = null;
			if(newItem[this._rootItemPropName]){
				this._removeArrayElement(this._arrayOfTopLevelItems, newItem);
			}
			if(this._itemsByIdentity){
				delete this._itemsByIdentity[identity];
			}
		}


		this._pending = {
			_newItems:{}, 
			_modifiedItems:{}, 
			_deletedItems:{}
		};
		return true; // boolean
	},

	
	isDirty: function(/* item? */ item){
		// summary: See dojo.data.api.Write.isDirty()
		if(item){
			// return true if the item is dirty
			var identity = this.getIdentity(item);
			return new Boolean(this._pending._newItems[identity] || 
				this._pending._modifiedItems[identity] ||
				this._pending._deletedItems[identity]).valueOf(); // boolean
		}else{
			// return true if the store is dirty -- which means return true
			// if there are any new items, dirty items, or modified items
			if(!this._isEmpty(this._pending._newItems) || 
			   !this._isEmpty(this._pending._modifiedItems) ||
			   !this._isEmpty(this._pending._deletedItems)){
				return true;
			}
			return false; // boolean
		}
	},


/* dojo.data.api.Notification */


	onSet: function(/* item */ item, 
					/*attribute-name-string*/ attribute, 
					/*object | array*/ oldValue,
					/*object | array*/ newValue){
		// summary: See dojo.data.api.Notification.onSet()

		
		// No need to do anything. This method is here just so that the 
		// client code can connect observers to it.
	},


	onNew: function(/* item */ newItem, /*object?*/ parentInfo){
		// summary: See dojo.data.api.Notification.onNew()

		
		// No need to do anything. This method is here just so that the 
		// client code can connect observers to it. 
	},


	onDelete: function(/* item */ deletedItem){
		// summary: See dojo.data.api.Notification.onDelete()

		
		// No need to do anything. This method is here just so that the 
		// client code can connect observers to it. 
	},


	close: function(/* object? */ request) {
		// summary:
		//		Over-ride of base close function of ItemFileReadStore to add in check for store state.
		// description:
		//		Over-ride of base close function of ItemFileReadStore to add in check for store state.
		//		If the store is still dirty (unsaved changes), then an error will be thrown instead of
		//		clearing the internal state for reload from the url.


		//Clear if not dirty ... or throw an error
		if(this.clearOnClose){
			if(!this.isDirty()){
				this.inherited(arguments);
			}else if(this._jsonFileUrl !== ""){
				//Only throw an error if the store was dirty and we were loading from a url (cannot reload from url until state is saved).
				throw new Error("dojox.data.AndOrWriteStore: There are unsaved changes present in the store.  Please save or revert the changes before invoking close.");
			}
		}";s:7:"summary";s:86:"Over-ride of base close function of ItemFileReadStore to add in check for store state.";s:7:"returns";s:12:"item|boolean";}s:42:"dojox.data.AndOrWriteStore._saveInProgress";a:3:{s:8:"instance";s:26:"dojox.data.AndOrWriteStore";s:7:"private";b:1;s:7:"summary";s:0:"";}s:35:"dojox.data.AndOrWriteStore._pending";a:3:{s:8:"instance";s:26:"dojox.data.AndOrWriteStore";s:7:"private";b:1;s:7:"summary";s:0:"";}s:10:"dojox.data";a:2:{s:4:"type";s:6:"Object";s:7:"summary";s:0:"";}s:5:"dojox";a:2:{s:4:"type";s:6:"Object";s:7:"summary";s:0:"";}}