| Pacchetto | mx.messaging |
| Classe | public class MessageAgent |
| Ereditarietà | MessageAgent  EventDispatcher Object |
| Implementa | IMXMLObject |
| Sottoclassi | AbstractConsumer, AbstractProducer |
| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Note: For advanced use only. Use this class for creating custom message agents like the existing Producer and Consumer classes.
Sintassi MXML
Mostra sintassi MXML
Nascondi sintassi MXMLAll message agent classes, including the Producer and Consumer classes, extend MessageAgent and inherit the following tag attributes:
<mx:tagname
Properties channelSet="No default." clientId="No default." connected="false" destination="No default." requestTimeout="-1" subtopic="No default." Events acknowledge="No default." channelConnect="No default." channelDisconnect="No default." channelFault="No default." fault="No default." propertyChange="No default." />
| Proprietà | Definito da | ||
|---|---|---|---|
| authenticated : Boolean [sola lettura]
Indicates if this MessageAgent is using an authenticated connection to
its destination. | MessageAgent | ||
| channelSet : ChannelSet
Provides access to the ChannelSet used by the MessageAgent. | MessageAgent | ||
| clientId : String [sola lettura]
Provides access to the client id for the MessageAgent. | MessageAgent | ||
| connected : Boolean [sola lettura]
Indicates whether this MessageAgent is currently connected to its
destination via its ChannelSet. | MessageAgent | ||
 | constructor : Object
Un riferimento all'oggetto classe o alla funzione di costruzione per una determinata istanza di oggetto. | Object | |
| destination : String
Provides access to the destination for the MessageAgent. | MessageAgent | ||
| requestTimeout : int
Provides access to the request timeout in seconds for sent messages. | MessageAgent | ||
| Metodo | Definito da | ||
|---|---|---|---|
Constructor. | MessageAgent | ||
Invoked by a MessageResponder upon receiving a result for a sent
message. | MessageAgent | ||
| addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
Registra un oggetto listener di eventi con un oggetto EventDispatcher, in modo che il listener riceva la notifica di un evento. | EventDispatcher | |
Handles a CONNECT ChannelEvent. | MessageAgent | ||
Handles a DISCONNECT ChannelEvent. | MessageAgent | ||
Handles a ChannelFaultEvent. | MessageAgent | ||
Disconnects the MessageAgent's network connection. | MessageAgent | ||
|
Invia un evento nel flusso di eventi. | EventDispatcher | |
Invoked by a MessageResponder upon receiving a fault for a sent message. | MessageAgent | ||
|
Verifica se per l'oggetto EventDispatcher sono presenti listener registrati per un tipo specifico di evento. | EventDispatcher | |
|
Indica se per un oggetto è definita una proprietà specifica. | Object | |
Returns true if there are any pending requests for the passed in message. | MessageAgent | ||
Called after the implementing object has been created
and all properties specified on the tag have been assigned. | MessageAgent | ||
|
Indica se un'istanza della classe Object si trova nella catena di prototipi dell'oggetto specificato come parametro. | Object | |
Logs the MessageAgent out from its remote destination. | MessageAgent | ||
|
Indica se la proprietà specificata esiste ed è enumerabile. | Object | |
|
Rimuove un listener dall'oggetto EventDispatcher. | EventDispatcher | |
Sets the credentials that the MessageAgent uses to authenticate to
destinations. | MessageAgent | ||
|
Imposta la disponibilità di una proprietà dinamica per le operazioni cicliche. | Object | |
Sets the remote credentials that will be passed through to the remote destination
for authenticating to secondary systems. | MessageAgent | ||
|
Restituisce la rappresentazione in formato stringa di questo oggetto, formattato in base alle convenzioni specifiche per le versioni localizzate. | Object | |
|
Restituisce la rappresentazione in formato stringa dell'oggetto specificato. | Object | |
|
Restituisce il valore di base dell'oggetto specificato. | Object | |
|
Verifica se un listener di eventi è registrato con questo oggetto EventDispatcher o qualsiasi suo antenato per il tipo di evento specificato. | EventDispatcher | |
| Metodo | Definito da | ||
|---|---|---|---|
Handles the authentication fault on the server. | MessageAgent | ||
Used to automatically initialize the channelSet property for the
MessageAgent before it connects for the first time. | MessageAgent | ||
Sends a Message from the MessageAgent to its destination using the
agent's ChannelSet. | MessageAgent | ||
This function should be overriden by sublasses to implement reauthentication due to
server session time-out behavior specific to them. | MessageAgent | ||
| Evento | Riepilogo | Definito da | ||
|---|---|---|---|---|
| Dispatched when an acknowledge message is received for a sent message. | MessageAgent | |||
| [evento di trasmissione] Inviato quando Flash Player o l'applicazione AIR ottiene lo stato di attivazione del sistema operativo ed entra nello stato attivo. | EventDispatcher | ||
| Dispatched when the underlying Channel the MessageAgent is using connects. | MessageAgent | |||
| Dispatched when the underlying Channel the MessageAgent is using disconnects. | MessageAgent | |||
| Dispatched when the underlying Channel the MessageAgent is using faults. | MessageAgent | |||
| [evento di trasmissione] Inviato quando Flash Player o l'applicazione AIR perde l'attivazione del sistema operativo e sta entrando nello stato inattivo. | EventDispatcher | ||
| Dispatched when a message fault occurs. | MessageAgent | |||
| Dispatched when the connected property of the MessageAgent changes. | MessageAgent | |||
authenticated | proprietà |
authenticated:Boolean [sola lettura] Indicates if this MessageAgent is using an authenticated connection to its destination.
Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .
Implementazione
public function get authenticated():BooleanchannelSet | proprietà |
channelSet:ChannelSet| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Provides access to the ChannelSet used by the MessageAgent. The ChannelSet can be manually constructed and assigned, or it will be dynamically initialized to use the configured Channels for the destination for this MessageAgent.
Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .
Implementazione
public function get channelSet():ChannelSet public function set channelSet(value:ChannelSet):voidclientId | proprietà |
clientId:String [sola lettura] | Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Provides access to the client id for the MessageAgent. MessageAgents are assigned their client id by the remote destination and this value is used to route messages from the remote destination to the proper MessageAgent.
Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .
Implementazione
public function get clientId():Stringconnected | proprietà |
connected:Boolean [sola lettura] | Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Indicates whether this MessageAgent is currently connected to its
destination via its ChannelSet. The propertyChange event is dispatched when
this property changes.
Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .
Implementazione
public function get connected():Booleandestination | proprietà |
destination:String| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Provides access to the destination for the MessageAgent. Changing the destination will disconnect the MessageAgent if it is currently connected.
Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .
Implementazione
public function get destination():String public function set destination(value:String):voidGenera
InvalidDestinationError — If the destination is null or
zero-length.
|
requestTimeout | proprietà |
requestTimeout:int| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Provides access to the request timeout in seconds for sent messages. If an acknowledgement, response or fault is not received from the remote destination before the timeout is reached the message is faulted on the client. A value less than or equal to zero prevents request timeout.
Questa proprietà può essere utilizzata come origine per l’associazione di dati. Quando questa proprietà viene modificata, invia l’evento propertyChange .
Implementazione
public function get requestTimeout():int public function set requestTimeout(value:int):voidMessageAgent | () | Funzione di costruzione |
public function MessageAgent()| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Constructor.
acknowledge | () | metodo |
public function acknowledge(ackMsg:AcknowledgeMessage, msg:IMessage):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Invoked by a MessageResponder upon receiving a result for a sent
message. Subclasses may override this method if they need to perform
custom acknowledgement processing, but must invoke
super.acknowledge() as well. This method dispatches a
MessageAckEvent.
Parametri
ackMsg:AcknowledgeMessage — The AcknowledgMessage returned.
| |
msg:IMessage — The original sent message.
|
channelConnectHandler | () | metodo |
public function channelConnectHandler(event:ChannelEvent):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Handles a CONNECT ChannelEvent. Subclasses that need to perform custom
processing should override this method, and invoke
super.channelConnectHandler().
Parametri
event:ChannelEvent — The ChannelEvent.
|
channelDisconnectHandler | () | metodo |
public function channelDisconnectHandler(event:ChannelEvent):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Handles a DISCONNECT ChannelEvent. Subclasses that need to perform
custom processing should override this method, and invoke
super.channelDisconnectHandler().
Parametri
event:ChannelEvent — The ChannelEvent.
|
channelFaultHandler | () | metodo |
public function channelFaultHandler(event:ChannelFaultEvent):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Handles a ChannelFaultEvent. Subclasses that need to perform custom
processing should override this method, and invoke
super.channelFaultHandler().
Parametri
event:ChannelFaultEvent — ChannelFaultEvent
|
disconnect | () | metodo |
public function disconnect():void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Disconnects the MessageAgent's network connection. This method does not wait for outstanding network operations to complete.
fault | () | metodo |
public function fault(errMsg:ErrorMessage, msg:IMessage):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Invoked by a MessageResponder upon receiving a fault for a sent message.
Subclasses may override this method if they need to perform custom fault
processing, but must invoke super.fault() as well. This
method dispatchs a MessageFaultEvent.
Parametri
errMsg:ErrorMessage — The ErrorMessage.
| |
msg:IMessage — The original sent message that caused this fault.
|
handleAuthenticationFault | () | metodo |
protected function handleAuthenticationFault(errMsg:ErrorMessage, msg:IMessage):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Handles the authentication fault on the server. If the authenticated flag is true, the authentication fault must have been caused by a session expiration on the server. Set the authenticated state to false and if loginAfterDisconnect flag is enabled, resend credentials to the server by disconnecting and resending the message again.
Parametri
errMsg:ErrorMessage — The Error Message.
| |
msg:IMessage — The message that caused the fault and should be resent once we have
disconnected/connected causing re-authentication.
|
hasPendingRequestForMessage | () | metodo |
public function hasPendingRequestForMessage(msg:IMessage):Boolean| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Returns true if there are any pending requests for the passed in message. This method should be overriden by subclasses
Parametri
msg:IMessage — The message for which the existence of pending requests is checked.
|
Boolean — Returns true if there are any pending requests for the
passed in message.
|
initChannelSet | () | metodo |
protected function initChannelSet(message:IMessage):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Used to automatically initialize the channelSet property for the
MessageAgent before it connects for the first time.
Subtypes may override to perform custom initialization.
Parametri
message:IMessage — The message that needs to be sent.
|
initialized | () | metodo |
public function initialized(document:Object, id:String):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Called after the implementing object has been created and all properties specified on the tag have been assigned.
Parametri
document:Object — MXML document that created this object.
| |
id:String — id used by the document to refer to this object.
If the object is a deep property on the document, id is null.
|
internalSend | () | metodo |
protected function internalSend(message:IMessage, waitForClientId:Boolean = true):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Sends a Message from the MessageAgent to its destination using the agent's ChannelSet. MessageAgent subclasses must use this method to send their messages.
Parametri
message:IMessage — The message to send.
| |
waitForClientId:Boolean (default = true) |
Genera
InvalidDestinationError — If no destination is set.
|
logout | () | metodo |
public function logout():void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Logs the MessageAgent out from its remote destination.
Logging out of a destination applies to everything connected using the same ChannelSet
as specified in the server configuration. For example, if several DataService components
are connected over an RTMP channel and logout() is invoked on one of them,
all other client components that are connected using the same ChannelSet are also logged out.
Note: Adobe recommends that you use the mx.messaging.ChannelSet.logout() method rather than this method.
Elementi API correlati
reAuthorize | () | metodo |
protected function reAuthorize(msg:IMessage):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
This function should be overriden by sublasses to implement reauthentication due to server session time-out behavior specific to them. In general, it should follow disconnect, connect, resend message pattern.
Parametri
msg:IMessage — The message that caused the fault and should be resent once we have
disconnected/connected causing reauthentication.
|
setCredentials | () | metodo |
public function setCredentials(username:String, password:String, charset:String = null):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Sets the credentials that the MessageAgent uses to authenticate to destinations. The credentials are applied to all services connected over the same ChannelSet.
Parametri
username:String — The username.
| |
password:String — The password.
| |
charset:String (default = null) |
Genera
IllegalOperationError — in two situations; if credentials
have already been set and an authentication is in progress with the remote
detination, or if authenticated and the credentials specified don't match
the currently authenticated credentials.
|
setRemoteCredentials | () | metodo |
public function setRemoteCredentials(username:String, password:String, charset:String = null):void| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Sets the remote credentials that will be passed through to the remote destination for authenticating to secondary systems.
Parametri
username:String — The username.
| |
password:String — The password.
| |
charset:String (default = null) |
acknowledge | Evento |
mx.messaging.events.MessageAckEventproprietà MessageAckEvent.type =
mx.messaging.events.MessageAckEvent.ACKNOWLEDGE| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3, BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1, Flash Player 9, AIR 1.1 |
Dispatched when an acknowledge message is received for a sent message.
The ACKNOWLEDGE event type; dispatched upon receipt of an acknowledgement.The value of this constant is "acknowledge".
The properties of the event object have the following values:
| Property | Value |
|---|---|
acknowledgeMessage | Utility property to get the message property from MessageEvent as an AcknowledgeMessage. |
bubbles | false |
cancelable | false |
currentTarget | The Object that defines the
event listener that handles the event. For example, if you use
myButton.addEventListener() to register an event listener,
myButton is the value of the currentTarget. |
correlate | The original Message correlated with this acknowledgement. |
message | The Message associated with this event. |
target | The Object that dispatched the event;
it is not always the Object listening for the event.
Use the currentTarget property to always access the
Object listening for the event. |
channelConnect | Evento |
mx.messaging.events.ChannelEventproprietà ChannelEvent.type =
mx.messaging.events.ChannelEvent.CONNECT| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Dispatched when the underlying Channel the MessageAgent is using connects.
The CONNECT event type; indicates that the Channel connected to its endpoint.The value of this constant is "channelConnect".
The properties of the event object have the following values:
| Property | Value |
|---|---|
bubbles | false |
cancelable | false |
channel | The channel that generated this event. |
currentTarget | The Object that defines the
event listener that handles the event. For example, if you use
myButton.addEventListener() to register an event listener,
myButton is the value of the currentTarget. |
target | The Object that dispatched the event;
it is not always the Object listening for the event.
Use the currentTarget property to always access the
Object listening for the event. |
reconnecting | Indicates whether the channel that generated this event is reconnecting. |
rejected | Indicates whether the channel that generated this event was rejected. This would be true in the event that the channel has been disconnected due to inactivity and should not attempt to failover or connect on an alternate channel. |
channelDisconnect | Evento |
mx.messaging.events.ChannelEventproprietà ChannelEvent.type =
mx.messaging.events.ChannelEvent.DISCONNECT| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Dispatched when the underlying Channel the MessageAgent is using disconnects.
The DISCONNECT event type; indicates that the Channel disconnected from its endpoint.The value of this constant is "channelDisconnect".
The properties of the event object have the following values:
| Property | Value |
|---|---|
bubbles | false |
cancelable | false |
channel | The channel that generated this event. |
currentTarget | The Object that defines the
event listener that handles the event. For example, if you use
myButton.addEventListener() to register an event listener,
myButton is the value of the currentTarget. |
target | The Object that dispatched the event;
it is not always the Object listening for the event.
Use the currentTarget property to always access the
Object listening for the event. |
reconnecting | Indicates whether the channel that generated this event is reconnecting. |
rejected | Indicates whether the channel that generated this event was rejected. This would be true in the event that the channel has been disconnected due to inactivity and should not attempt to failover or connect on an alternate channel. |
channelFault | Evento |
mx.messaging.events.ChannelFaultEventproprietà ChannelFaultEvent.type =
mx.messaging.events.ChannelFaultEvent.FAULT| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Dispatched when the underlying Channel the MessageAgent is using faults.
The FAULT event type; indicates that the Channel faulted.The value of this constant is "channelFault".
The properties of the event object have the following values:
| Property | Value |
|---|---|
bubbles | false |
cancelable | false |
channel | The Channel that generated this event. |
currentTarget | The Object that defines the
event listener that handles the event. For example, if you use
myButton.addEventListener() to register an event listener,
myButton is the value of the currentTarget. |
faultCode | Provides destination-specific details of the failure. |
faultDetail | Provides access to the destination-specific reason for the failure. |
faultString | Provides access to the underlying reason for the failure if the channel did not raise the failure itself. |
reconnecting | Indicates whether the channel that generated this event is reconnecting. |
rootCause | Provides access to the underlying reason for the failure if the channel did not raise the failure itself. |
target | The Object that dispatched the event;
it is not always the Object listening for the event.
Use the currentTarget property to always access the
Object listening for the event. |
fault | Evento |
mx.messaging.events.MessageFaultEventproprietà MessageFaultEvent.type =
mx.messaging.events.MessageFaultEvent.FAULT| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Dispatched when a message fault occurs.
The FAULT event type; dispatched for a message fault.The value of this constant is "fault".
The properties of the event object have the following values:
| Property | Value |
|---|---|
bubbles | false |
cancelable | false |
currentTarget | The Object that defines the
event listener that handles the event. For example, if you use
myButton.addEventListener() to register an event listener,
myButton is the value of the currentTarget. |
faultCode | Provides destination-specific details of the failure. |
faultDetail | Provides access to the destination-specific reason for the failure. |
faultString | Provides access to the underlying reason for the failure if the channel did not raise the failure itself. |
message | The ErrorMessage for this event. |
rootCause | Provides access to the underlying reason for the failure, if one exists. |
target | The Object that dispatched the event;
it is not always the Object listening for the event.
Use the currentTarget property to always access the
Object listening for the event. |
propertyChange | Evento |
mx.events.PropertyChangeEventproprietà PropertyChangeEvent.type =
mx.events.PropertyChangeEvent.PROPERTY_CHANGE| Versione linguaggio: | ActionScript 3.0 |
| Versioni prodotto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services per Java EE 3 |
| Versioni runtime: | Flash Player 9, AIR 1.1 |
Dispatched when the connected property of the MessageAgent changes.
Also dispatched when the subscribed of a Consumer changes.
PropertyChangeEvent.PROPERTY_CHANGE constant defines the value of the
type property of the event object for a PropertyChange event.
The properties of the event object have the following values:
| Property | Value |
|---|---|
bubbles | Determined by the constructor; defaults to false. |
cancelable | Determined by the constructor; defaults to false. |
kind | The kind of change; PropertyChangeEventKind.UPDATE or PropertyChangeEventKind.DELETE. |
oldValue | The original property value. |
newValue | The new property value, if any. |
property | The property that changed. |
source | The object that contains the property that changed. |
currentTarget | The Object that defines the
event listener that handles the event. For example, if you use
myButton.addEventListener() to register an event listener,
myButton is the value of the currentTarget. |
target | The Object that dispatched the event;
it is not always the Object listening for the event.
Use the currentTarget property to always access the
Object listening for the event. |
Elementi API correlati
Tue Jun 12 2018, 02:44 PM Z