mx.data.MessageCacheItem - Adobe® Flex® 4 Language Reference (Flex 4)

Package	mx.data
Class	public class MessageCacheItem
Inheritance	MessageCacheItem Object

Language Version:

ActionScript 3.0

Product Version:

LiveCycle Data Services 3

Runtime Versions:

Flash Player 9, AIR 1.1

Represents an element of the MessageBatch's items property. Provides the item updated by this change, its unique identifier, and a reference to the DataMessage for details of the change.

Public Properties

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	Property		Defined By
		constructor : Object A reference to the class object or constructor function for a given object instance.	Object
		item : Object Returns the item modified in this change.	MessageCacheItem
		message : DataMessage The reference to the DataMessage for this change.	MessageCacheItem
		prototype : Object [static] A reference to the prototype object of a class or function object.	Object
		uid : String Returns a unique identifier for this item.	MessageCacheItem

Public Methods

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	Method		Defined By
		MessageCacheItem() Constructor.	MessageCacheItem
		hasOwnProperty(name:String):Boolean Indicates whether an object has a specified property defined.	Object
		isPrototypeOf(theClass:Object):Boolean Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.	Object
		propertyIsEnumerable(name:String):Boolean Indicates whether the specified property exists and is enumerable.	Object
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Sets the availability of a dynamic property for loop operations.	Object
		toLocaleString():String Returns the string representation of this object, formatted according to locale-specific conventions.	Object
		toString():String Returns the string representation of the specified object.	Object
		valueOf():Object Returns the primitive value of the specified object.	Object

Property Detail

item

property

item:Object

Language Version:

ActionScript 3.0

Product Version:

LiveCycle Data Services 3

Runtime Versions:

Flash Player 9, AIR 1.1

Returns the item modified in this change.

Implementation
public function get item():Object
public function set item(value:Object):void

message

property

public var message:DataMessage

Language Version:

ActionScript 3.0

Product Version:

LiveCycle Data Services 3

Runtime Versions:

Flash Player 9, AIR 1.1

The reference to the DataMessage for this change. You can for example access the type of message by looking at the message.operation property.

Note that changing the data in the data message can break the integrity of the system. You can add headers to the DataMessage however to share information with the server.

uid

property

uid:String

Language Version:

ActionScript 3.0

Product Version:

LiveCycle Data Services 3

Runtime Versions:

Flash Player 9, AIR 1.1

Returns a unique identifier for this item. It is the messageId of the create message if the item has not yet been persisted and assigned a permanent identity by the server. This gets updated after the created item has been created and assigned a new id. For an update collection message which is modifying a filled collection, this returns null. For an update collection message which modifies an association property, it returns the uid of the parent item.

Implementation
public function get uid():String
public function set uid(value:String):void

Constructor Detail

MessageCacheItem

()

Constructor

public function MessageCacheItem()

Constructor.