UpdateCollectionMessage

套件	mx.data.messages
類別	public class UpdateCollectionMessage
繼承	UpdateCollectionMessage DataMessage AsyncMessage AbstractMessage Object

語言版本:

ActionScript 3.0

產品版本:

Adobe Digital Enterprise Platform Data Services for Java EE 3

執行階段版本:

Flash Player 9, AIR 1.1

This message is used to establish consistency between the remote sequence and the corresponding local collection. It contains all insert and delete operations that were performed on a collection. Clients send this message when a local collection is updated using the collection API (IListView.removeItemAt(), etc) or the Single Managed Object API (DataService.createItem()). The remote destination sends this message when the remote sequence is updated and items are moved or removed and inserted. This body property contains a list of UpdateCollectionRange objects that indicate just how the collection was modified. Applying the update collection ranges inorder will establish a consistent ordering of the items within the specified collection.

公用屬性

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	屬性		定義自
		body : Object The body of a message contains the specific data that needs to be delivered to the remote destination.	AbstractMessage
		clientId : String The clientId indicates which MessageAgent sent the message.	AbstractMessage
		collectionId : Object The unique identifier for the collection that was updated.	UpdateCollectionMessage
		constructor : Object 類別物件的參照或是特定物件實體的建構函數。	Object
		correlationId : String Provides access to the correlation id of the message.	AsyncMessage
		destination : String The message destination.	AbstractMessage
		headers : Object The headers of a message are an associative array where the key is the header name and the value is the header value.	AbstractMessage
		identity : Object Provides access to the identity map which defines the unique identity of the item affected by this DataMessage (relevant for create/update/delete but not fill operations).	DataMessage
		messageId : String The unique id for the message.	AbstractMessage
		operation : uint Provides access to the operation/command of this DataMessage.	DataMessage
		replace : Boolean Indicates if the entire collection should be replaced by the contents of this message.	UpdateCollectionMessage
		timestamp : Number Provides access to the time stamp for the message.	AbstractMessage
		timeToLive : Number The time to live value of a message indicates how long the message should be considered valid and deliverable.	AbstractMessage
		updateMode : int Indicates the state of this update.	UpdateCollectionMessage

公用方法

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	方法		定義自
		UpdateCollectionMessage() Creates a new instance of an empty UpdateCollectionMessage.	UpdateCollectionMessage
		getOperationAsString(op:uint):String [靜態] Provides a description of the operation specified.	DataMessage
		hasOwnProperty(name:String):Boolean 指出物件是否有已定義的指定屬性。	Object
		isCreate():Boolean Returns true if this is a create operation.	DataMessage
		isEmptyUpdate():Boolean Returns true if this message is both an update and its list of property names has a length of zero.	DataMessage
		isPrototypeOf(theClass:Object):Boolean 指出 Object 類別的實體是否位於指定為參數的物件原型鏈中。	Object
		propertyIsEnumerable(name:String):Boolean 指出指定的屬性是否存在，以及是否可列舉。	Object
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void 為迴圈作業設定動態屬性的可用性。	Object
		toLocaleString():String 傳回代表此物件的字串，根據地區特定慣例進行格式化。	Object
		toString():String Returns a string representation of the message.	AbstractMessage
		valueOf():Object 會傳回指定之物件的基本值。	Object

公用常數

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	常數		定義自
		CLIENT_UPDATE : int = 0 [靜態] Indicates this update collection message was client generated.	UpdateCollectionMessage
		SERVER_OVERRIDE : int = 2 [靜態] Indicates this update collection message was client generated and the remote destination determined that it should be reverted on that client.	UpdateCollectionMessage
		SERVER_UPDATE : int = 1 [靜態] Indicates this update collection message was remotely generated and is based on the current state of the remote sequence.	UpdateCollectionMessage

屬性詳細資訊

建構函式詳細資料

常數詳細資訊

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UpdateCollectionMessage - AS3 ADEP Data Services

套件x

語言元素

附錄

套件 mx.data.messages

collectionId

replace

updateMode

CLIENT_UPDATE

SERVER_OVERRIDE

SERVER_UPDATE