MessageHandler (Vaadin Platform (vaadin-platform-javadoc) 23.2.14 API)

All Superinterfaces:

Serializable

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface MessageHandler
extends Serializable
```
Functional interface that defines how to handle a message when it is added to a topic.

Author:

Vaadin Ltd

See Also:

MessageManager.setMessageHandler(MessageHandler)

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface MessageHandler.MessageContext
The context of the message.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`handleMessage(MessageHandler.MessageContext context)`	Handles a message when it is added to a topic.

- Method Detail
  - handleMessage
```
void handleMessage(MessageHandler.MessageContext context)
```
    Handles a message when it is added to a topic.
    
    Parameters:
    
    context - the context of the message, not null