Pacchetto | mx.data.messages |
Classe | public class UpdateCollectionMessage |
Ereditarietà | UpdateCollectionMessage DataMessage AsyncMessage AbstractMessage Object |
Versione linguaggio: | ActionScript 3.0 |
Versione prodotto: | Adobe Digital Enterprise Platform Data Services per Java EE 3 |
Versioni runtime: | 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.
Proprietà | Definito da | ||
---|---|---|---|
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
Un riferimento all'oggetto classe o alla funzione di costruzione per una determinata istanza di oggetto. | 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 |
Metodo | Definito da | ||
---|---|---|---|
Creates a new instance of an empty UpdateCollectionMessage. | UpdateCollectionMessage | ||
[statico]
Provides a description of the operation specified. | DataMessage | ||
Indica se per un oggetto è definita una proprietà specifica. | 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 | ||
Indica se un'istanza della classe Object si trova nella catena di prototipi dell'oggetto specificato come parametro. | Object | ||
Indica se la proprietà specificata esiste ed è enumerabile. | Object | ||
Imposta la disponibilità di una proprietà dinamica per le operazioni cicliche. | Object | ||
Restituisce la rappresentazione in formato stringa di questo oggetto, formattato in base alle convenzioni specifiche per le versioni localizzate. | Object | ||
Returns a string representation of the message. | AbstractMessage | ||
Restituisce il valore di base dell'oggetto specificato. | Object |
Costante | Definito da | ||
---|---|---|---|
CLIENT_UPDATE : int = 0 [statico]
Indicates this update collection message was client generated. | UpdateCollectionMessage | ||
SERVER_OVERRIDE : int = 2 [statico]
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 [statico]
Indicates this update collection message was remotely generated and is
based on the current state of the remote sequence. | UpdateCollectionMessage |
collectionId | proprietà |
public var collectionId:Object
Versione linguaggio: | ActionScript 3.0 |
Versione prodotto: | Adobe Digital Enterprise Platform Data Services per Java EE 3 |
Versioni runtime: | 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 | proprietà |
public var replace:Boolean
Versione linguaggio: | ActionScript 3.0 |
Versione prodotto: | Adobe Digital Enterprise Platform Data Services per Java EE 3 |
Versioni runtime: | 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 | proprietà |
public var updateMode:int
Versione linguaggio: | ActionScript 3.0 |
Versione prodotto: | Adobe Digital Enterprise Platform Data Services per Java EE 3 |
Versioni runtime: | 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 | () | Funzione di costruzione |
public function UpdateCollectionMessage()
Versione linguaggio: | ActionScript 3.0 |
Versione prodotto: | Adobe Digital Enterprise Platform Data Services per Java EE 3 |
Versioni runtime: | Flash Player 9, AIR 1.1 |
Creates a new instance of an empty UpdateCollectionMessage.
CLIENT_UPDATE | Costante |
public static const CLIENT_UPDATE:int = 0
Versione linguaggio: | ActionScript 3.0 |
Versione prodotto: | Adobe Digital Enterprise Platform Data Services per Java EE 3 |
Versioni runtime: | Flash Player 9, AIR 1.1 |
Indicates this update collection message was client generated.
Elementi API correlati
SERVER_OVERRIDE | Costante |
public static const SERVER_OVERRIDE:int = 2
Versione linguaggio: | ActionScript 3.0 |
Versione prodotto: | Adobe Digital Enterprise Platform Data Services per Java EE 3 |
Versioni runtime: | 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.
Elementi API correlati
SERVER_UPDATE | Costante |
public static const SERVER_UPDATE:int = 1
Versione linguaggio: | ActionScript 3.0 |
Versione prodotto: | Adobe Digital Enterprise Platform Data Services per Java EE 3 |
Versioni runtime: | 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.
Elementi API correlati
Tue Jun 12 2018, 02:44 PM Z