Package | mx.data.messages |
Class | public class UpdateCollectionMessage |
Inheritance | UpdateCollectionMessage DataMessage AsyncMessage AbstractMessage Object |
Language Version: | ActionScript 3.0 |
Product Version: | LiveCycle Data Services for Java EE 3 |
Runtime Versions: | 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.
Property | Defined By | ||
---|---|---|---|
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
A reference to the class object or constructor function for a given object instance. | 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 |
Method | Defined By | ||
---|---|---|---|
Creates a new instance of an empty UpdateCollectionMessage. | UpdateCollectionMessage | ||
[static]
Provides a description of the operation specified. | DataMessage | ||
Indicates whether an object has a specified property defined. | 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 | ||
Indicates whether an instance of the Object class is in the prototype chain of the object specified
as the parameter. | Object | ||
Indicates whether the specified property exists and is enumerable. | Object | ||
Sets the availability of a dynamic property for loop operations. | Object | ||
Returns the string representation of this object, formatted according to locale-specific conventions. | Object | ||
Returns a string representation of the message. | AbstractMessage | ||
Returns the primitive value of the specified object. | Object |
Constant | Defined By | ||
---|---|---|---|
CLIENT_UPDATE : int = 0 [static]
Indicates this update collection message was client generated. | UpdateCollectionMessage | ||
SERVER_OVERRIDE : int = 2 [static]
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 [static]
Indicates this update collection message was remotely generated and is
based on the current state of the remote sequence. | UpdateCollectionMessage |
collectionId | property |
public var collectionId:Object
Language Version: | ActionScript 3.0 |
Product Version: | LiveCycle Data Services for Java EE 3 |
Runtime Versions: | 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 | property |
public var replace:Boolean
Language Version: | ActionScript 3.0 |
Product Version: | LiveCycle Data Services for Java EE 3 |
Runtime Versions: | 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 | property |
public var updateMode:int
Language Version: | ActionScript 3.0 |
Product Version: | LiveCycle Data Services for Java EE 3 |
Runtime Versions: | 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()
Language Version: | ActionScript 3.0 |
Product Version: | LiveCycle Data Services for Java EE 3 |
Runtime Versions: | Flash Player 9, AIR 1.1 |
Creates a new instance of an empty UpdateCollectionMessage.
CLIENT_UPDATE | Constant |
public static const CLIENT_UPDATE:int = 0
Language Version: | ActionScript 3.0 |
Product Version: | LiveCycle Data Services for Java EE 3 |
Runtime Versions: | Flash Player 9, AIR 1.1 |
Indicates this update collection message was client generated.
Related API Elements
SERVER_OVERRIDE | Constant |
public static const SERVER_OVERRIDE:int = 2
Language Version: | ActionScript 3.0 |
Product Version: | LiveCycle Data Services for Java EE 3 |
Runtime Versions: | 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.
Related API Elements
SERVER_UPDATE | Constant |
public static const SERVER_UPDATE:int = 1
Language Version: | ActionScript 3.0 |
Product Version: | LiveCycle Data Services for Java EE 3 |
Runtime Versions: | 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.
Related API Elements
Wed Nov 21 2018, 06:34 AM -08:00