Pakket | mx.data.messages |
Klasse | public class UpdateCollectionMessage |
Overerving | UpdateCollectionMessage DataMessage AsyncMessage AbstractMessage Object |
Taalversie: | ActionScript 3.0 |
Productversie: | Adobe Digital Enterprise Platform Data Services for Java EE 3 |
Runtimeversies: | 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.
Eigenschap | Gedefinieerd door | ||
---|---|---|---|
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
Verwijzing naar het klasseobject of de constructorfunctie van een bepaalde objectinstantie. | 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 |
Methode | Gedefinieerd door | ||
---|---|---|---|
Creates a new instance of an empty UpdateCollectionMessage. | UpdateCollectionMessage | ||
[statisch]
Provides a description of the operation specified. | DataMessage | ||
Geeft aan of voor een object een opgegeven eigenschap is gedefinieerd. | 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 | ||
Geeft aan of een instantie van de klasse Object zich in de prototypeketen van het object bevindt dat als parameter is opgegeven. | Object | ||
Geeft aan of de opgegeven eigenschap bestaat en kan worden opgesomd. | Object | ||
Stelt de beschikbaarheid van een dynamische eigenschap voor lusbewerkingen in. | Object | ||
Geeft de tekenreeksweergave van dit object weer, geformatteerd volgens de locatiespecifieke conventies. | Object | ||
Returns a string representation of the message. | AbstractMessage | ||
Retourneert de primitieve waarde van het opgegeven object. | Object |
Constante | Gedefinieerd door | ||
---|---|---|---|
CLIENT_UPDATE : int = 0 [statisch]
Indicates this update collection message was client generated. | UpdateCollectionMessage | ||
SERVER_OVERRIDE : int = 2 [statisch]
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 [statisch]
Indicates this update collection message was remotely generated and is
based on the current state of the remote sequence. | UpdateCollectionMessage |
collectionId | eigenschap |
public var collectionId:Object
Taalversie: | ActionScript 3.0 |
Productversie: | Adobe Digital Enterprise Platform Data Services for Java EE 3 |
Runtimeversies: | 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 | eigenschap |
public var replace:Boolean
Taalversie: | ActionScript 3.0 |
Productversie: | Adobe Digital Enterprise Platform Data Services for Java EE 3 |
Runtimeversies: | 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 | eigenschap |
public var updateMode:int
Taalversie: | ActionScript 3.0 |
Productversie: | Adobe Digital Enterprise Platform Data Services for Java EE 3 |
Runtimeversies: | 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 | () | Constructor |
public function UpdateCollectionMessage()
Taalversie: | ActionScript 3.0 |
Productversie: | Adobe Digital Enterprise Platform Data Services for Java EE 3 |
Runtimeversies: | Flash Player 9, AIR 1.1 |
Creates a new instance of an empty UpdateCollectionMessage.
CLIENT_UPDATE | Constante |
public static const CLIENT_UPDATE:int = 0
Taalversie: | ActionScript 3.0 |
Productversie: | Adobe Digital Enterprise Platform Data Services for Java EE 3 |
Runtimeversies: | Flash Player 9, AIR 1.1 |
Indicates this update collection message was client generated.
Verwante API-elementen
SERVER_OVERRIDE | Constante |
public static const SERVER_OVERRIDE:int = 2
Taalversie: | ActionScript 3.0 |
Productversie: | Adobe Digital Enterprise Platform Data Services for Java EE 3 |
Runtimeversies: | 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.
Verwante API-elementen
SERVER_UPDATE | Constante |
public static const SERVER_UPDATE:int = 1
Taalversie: | ActionScript 3.0 |
Productversie: | Adobe Digital Enterprise Platform Data Services for Java EE 3 |
Runtimeversies: | 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.
Verwante API-elementen
Wed Jun 13 2018, 11:42 AM Z