| 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 |
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.
隱藏繼承公用屬性
顯示繼承公用屬性| 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 | ||
| 方法 | 定義自 | ||
|---|---|---|---|
Creates a new instance of an empty UpdateCollectionMessage. | UpdateCollectionMessage | ||
| [靜態]
Provides a description of the operation specified. | DataMessage | |
|
指出物件是否有已定義的指定屬性。 | Object | |
|
Returns true if this is a create operation. | DataMessage | |
|
Returns true if this message is both an update and its list
of property names has a length of zero. | DataMessage | |
|
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 | |
|
指出指定的屬性是否存在，以及是否可列舉。 | Object | |
|
為迴圈作業設定動態屬性的可用性。 | Object | |
|
傳回代表此物件的字串，根據地區特定慣例進行格式化。 | Object | |
|
Returns a string representation of the message. | AbstractMessage | |
|
會傳回指定之物件的基本值。 | Object | |
| 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 | ||
collectionId | 屬性 |
public var collectionId: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 |
The unique identifier for the collection that was updated.
For a collection filled with the DataService.fill() method
this contains and Array of the parameters specified.
replace | 屬性 |
public var replace:Boolean| 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 |
Indicates if the entire collection should be replaced by the contents
of this message.
When the number of changes to a remote sequence have reached a tipping
point a replace message is generated as an optimization.
When true the body property contains an Array
of item identities that should replace any existing items.
updateMode | 屬性 |
public var updateMode:int| 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 |
Indicates the state of this update. The remote destination sends update collection messages to clients with one of three update modes:
UpdateCollectionMessage.SERVER_UPDATE- client applies this update collection unconditionallyUpdateCollectionMessage.CLIENT_UPDATE- the committing client does not need to process this update collection.UpdateCollectionMessage.SERVER_OVERRIDEN- the remote destination modified the update collection message sent by the client and the committing client must revert this update collection.
UpdateCollectionMessage | () | 建構函式 |
public function UpdateCollectionMessage()| 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 |
Creates a new instance of an empty UpdateCollectionMessage.
CLIENT_UPDATE | 常數 |
public static const CLIENT_UPDATE:int = 0| 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 |
Indicates this update collection message was client generated.
相關 API 元素
SERVER_OVERRIDE | 常數 |
public static const SERVER_OVERRIDE:int = 2| 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 |
Indicates this update collection message was client generated and the remote destination determined that it should be reverted on that client. A subsequent update collection message will follow containing the correct values to apply getting the client collection back to a consistent state with the remote one.
相關 API 元素
SERVER_UPDATE | 常數 |
public static const SERVER_UPDATE:int = 1| 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 |
Indicates this update collection message was remotely generated and is based on the current state of the remote sequence.
相關 API 元素
Tue Jun 12 2018, 03:47 PM Z