| Pacote | mx.messaging |
| Classe | public class MessageAgent |
| Herança | MessageAgent  EventDispatcher Object |
| Implementações | IMXMLObject |
| Subclasses | AbstractConsumer, AbstractProducer |
| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Sintaxe MXML
Mostrar sintaxe MXML
Ocultar sintaxe 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." />
| Propriedade | Definido por | ||
|---|---|---|---|
| authenticated : Boolean [somente leitura]
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 [somente leitura]
Provides access to the client id for the MessageAgent. | MessageAgent | ||
| connected : Boolean [somente leitura]
Indicates whether this MessageAgent is currently connected to its
destination via its ChannelSet. | MessageAgent | ||
 | constructor : Object
Uma referência ao objeto de classe ou à função de construtor de uma determinada ocorrência de objeto. | 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 | ||
| Método | Definido por | ||
|---|---|---|---|
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 um objeto de ouvinte de evento em um objeto EventDispatcher, de forma que o ouvinte receba a notificação de um evento. | EventDispatcher | |
Handles a CONNECT ChannelEvent. | MessageAgent | ||
Handles a DISCONNECT ChannelEvent. | MessageAgent | ||
Handles a ChannelFaultEvent. | MessageAgent | ||
Disconnects the MessageAgent's network connection. | MessageAgent | ||
|
Envia um evento para o fluxo de eventos. | EventDispatcher | |
Invoked by a MessageResponder upon receiving a fault for a sent message. | MessageAgent | ||
|
Verifica se o objeto EventDispatcher tem ouvintes registrados para um tipo específico de evento. | EventDispatcher | |
|
Indica se um objeto tem uma propriedade especificada definida. | 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 uma ocorrência da classe Object está na cadeia de protótipos do objeto especificado como o parâmetro. | Object | |
Logs the MessageAgent out from its remote destination. | MessageAgent | ||
|
Indica se a propriedade especificada existe e é enumerável. | Object | |
|
Remove um ouvinte do objeto EventDispatcher. | EventDispatcher | |
Sets the credentials that the MessageAgent uses to authenticate to
destinations. | MessageAgent | ||
|
Define a disponibilidade de uma propriedade dinâmica para operações de repetição. | Object | |
Sets the remote credentials that will be passed through to the remote destination
for authenticating to secondary systems. | MessageAgent | ||
|
Retorna a representação da string deste objeto, formatado segundo as convenções específicas para a localidade. | Object | |
|
Retorna a representação de string do objeto especificado. | Object | |
|
Retorna o valor primitivo do objeto especificado. | Object | |
|
Verifica se um ouvinte de evento está registrado nesse objeto EventDispatcher ou em qualquer um de seus ancestrais para o tipo de evento especificado. | EventDispatcher | |
| Método | Definido por | ||
|---|---|---|---|
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 | Resumo | Definido por | ||
|---|---|---|---|---|
| Dispatched when an acknowledge message is received for a sent message. | MessageAgent | |||
| [transmissão de evento] Despachado quando o Flash Player ou o aplicativo do AIR ganha o foco do sistema operacional e está se tornando inativo. | 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 | |||
| [transmissão de evento] Despachado quando o Flash Player ou o aplicativo do AIR perde o foco do sistema operacional e está se tornando inativo. | EventDispatcher | ||
| Dispatched when a message fault occurs. | MessageAgent | |||
| Dispatched when the connected property of the MessageAgent changes. | MessageAgent | |||
authenticated | propriedade |
authenticated:Boolean [somente leitura] Indicates if this MessageAgent is using an authenticated connection to its destination.
Essa propriedade pode ser usada como a origem para o vínculo de dados. Quando essa propriedade é modificada, ela despacha o evento propertyChange .
Implementação
public function get authenticated():BooleanchannelSet | propriedade |
channelSet:ChannelSet| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Essa propriedade pode ser usada como a origem para o vínculo de dados. Quando essa propriedade é modificada, ela despacha o evento propertyChange .
Implementação
public function get channelSet():ChannelSet public function set channelSet(value:ChannelSet):voidclientId | propriedade |
clientId:String [somente leitura] | Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Essa propriedade pode ser usada como a origem para o vínculo de dados. Quando essa propriedade é modificada, ela despacha o evento propertyChange .
Implementação
public function get clientId():Stringconnected | propriedade |
connected:Boolean [somente leitura] | Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Essa propriedade pode ser usada como a origem para o vínculo de dados. Quando essa propriedade é modificada, ela despacha o evento propertyChange .
Implementação
public function get connected():Booleandestination | propriedade |
destination:String| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Essa propriedade pode ser usada como a origem para o vínculo de dados. Quando essa propriedade é modificada, ela despacha o evento propertyChange .
Implementação
public function get destination():String public function set destination(value:String):voidLança
InvalidDestinationError — If the destination is null or
zero-length.
|
requestTimeout | propriedade |
requestTimeout:int| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Essa propriedade pode ser usada como a origem para o vínculo de dados. Quando essa propriedade é modificada, ela despacha o evento propertyChange .
Implementação
public function get requestTimeout():int public function set requestTimeout(value:int):voidMessageAgent | () | Construtor |
public function MessageAgent()| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de runtime: | Flash Player 9, AIR 1.1 |
Constructor.
acknowledge | () | método |
public function acknowledge(ackMsg:AcknowledgeMessage, msg:IMessage):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Parâmetros
ackMsg:AcknowledgeMessage — The AcknowledgMessage returned.
| |
msg:IMessage — The original sent message.
|
channelConnectHandler | () | método |
public function channelConnectHandler(event:ChannelEvent):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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().
Parâmetros
event:ChannelEvent — The ChannelEvent.
|
channelDisconnectHandler | () | método |
public function channelDisconnectHandler(event:ChannelEvent):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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().
Parâmetros
event:ChannelEvent — The ChannelEvent.
|
channelFaultHandler | () | método |
public function channelFaultHandler(event:ChannelFaultEvent):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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().
Parâmetros
event:ChannelFaultEvent — ChannelFaultEvent
|
disconnect | () | método |
public function disconnect():void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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 | () | método |
public function fault(errMsg:ErrorMessage, msg:IMessage):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Parâmetros
errMsg:ErrorMessage — The ErrorMessage.
| |
msg:IMessage — The original sent message that caused this fault.
|
handleAuthenticationFault | () | método |
protected function handleAuthenticationFault(errMsg:ErrorMessage, msg:IMessage):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Parâmetros
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 | () | método |
public function hasPendingRequestForMessage(msg:IMessage):Boolean| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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
Parâmetros
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 | () | método |
protected function initChannelSet(message:IMessage):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Parâmetros
message:IMessage — The message that needs to be sent.
|
initialized | () | método |
public function initialized(document:Object, id:String):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Parâmetros
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 | () | método |
protected function internalSend(message:IMessage, waitForClientId:Boolean = true):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Parâmetros
message:IMessage — The message to send.
| |
waitForClientId:Boolean (default = true) |
Lança
InvalidDestinationError — If no destination is set.
|
logout | () | método |
public function logout():void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Elementos da API relacionados
reAuthorize | () | método |
protected function reAuthorize(msg:IMessage):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Parâmetros
msg:IMessage — The message that caused the fault and should be resent once we have
disconnected/connected causing reauthentication.
|
setCredentials | () | método |
public function setCredentials(username:String, password:String, charset:String = null):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Parâmetros
username:String — The username.
| |
password:String — The password.
| |
charset:String (default = null) |
Lança
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 | () | método |
public function setRemoteCredentials(username:String, password:String, charset:String = null):void| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.
Parâmetros
username:String — The username.
| |
password:String — The password.
| |
charset:String (default = null) |
acknowledge | Evento |
mx.messaging.events.MessageAckEventpropriedade MessageAckEvent.type =
mx.messaging.events.MessageAckEvent.ACKNOWLEDGE| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3, BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.ChannelEventpropriedade ChannelEvent.type =
mx.messaging.events.ChannelEvent.CONNECT| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.ChannelEventpropriedade ChannelEvent.type =
mx.messaging.events.ChannelEvent.DISCONNECT| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.ChannelFaultEventpropriedade ChannelFaultEvent.type =
mx.messaging.events.ChannelFaultEvent.FAULT| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.MessageFaultEventpropriedade MessageFaultEvent.type =
mx.messaging.events.MessageFaultEvent.FAULT| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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.PropertyChangeEventpropriedade PropertyChangeEvent.type =
mx.events.PropertyChangeEvent.PROPERTY_CHANGE| Versão da linguagem: | ActionScript 3.0 |
| Versões de produto: | BlazeDS 4, Adobe Digital Enterprise Platform Data Services for Java EE 3 |
| Versões de 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. |
Elementos da API relacionados
Wed Jun 13 2018, 11:10 AM Z