AcknowledgedMessagesExtension (CometD :: Java 6.0.17 API)

java.lang.Object
- org.cometd.server.ext.AcknowledgedMessagesExtension

All Implemented Interfaces:

BayeuxServer.Extension
```
public class AcknowledgedMessagesExtension
extends java.lang.Object
implements BayeuxServer.Extension
```
Installing this extension in a BayeuxServer provides support for server-to-client message acknowledgement if a client also supports it.

The main role of this extension is to install the AcknowledgedMessagesSessionExtension on the ServerSession instances created during successful handshakes.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static interface AcknowledgedMessagesExtension.Listener
A listener for acknowledgement events.

Constructor Summary

Constructors
Constructor Description

AcknowledgedMessagesExtension()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addListener(AcknowledgedMessagesExtension.Listener listener)`
`protected AcknowledgedMessagesSessionExtension`	`newSessionExtension(ServerSession session)`
`boolean`	`rcvMeta(ServerSession remote, ServerMessage.Mutable message)`	Blocking version of `BayeuxServer.Extension.incoming(ServerSession, ServerMessage.Mutable, Promise)` for meta messages.
`void`	`removeListener(AcknowledgedMessagesExtension.Listener listener)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.cometd.bayeux.server.BayeuxServer.Extension
incoming, outgoing, rcv, send, sendMeta

- Constructor Detail
  - AcknowledgedMessagesExtension
```
public AcknowledgedMessagesExtension()
```
- Method Detail
  - addListener
```
public void addListener(AcknowledgedMessagesExtension.Listener listener)
```
  - removeListener
```
public void removeListener(AcknowledgedMessagesExtension.Listener listener)
```
  - rcvMeta
```
public boolean rcvMeta(ServerSession remote,
                       ServerMessage.Mutable message)
```
    Description copied from interface: BayeuxServer.Extension
    
    Blocking version of BayeuxServer.Extension.incoming(ServerSession, ServerMessage.Mutable, Promise) for meta messages.
    
    Specified by:
    
    rcvMeta in interface BayeuxServer.Extension
    
    Parameters:
    
    remote - the session that sent the message
    
    message - the incoming message
    
    Returns:
    
    whether message processing should continue
  - newSessionExtension
```
protected AcknowledgedMessagesSessionExtension newSessionExtension(ServerSession session)
```