MessageFunction (EventMaid - Core Library 0.9.18 API)

All Superinterfaces:

AutoCloseable, NoErrorAutoClosable
```
public interface MessageFunction
extends NoErrorAutoClosable
```
MessageFunctions simplify the execution of request-reply based communications over an asynchronous MessageBus.

See Also:

EventMaid Documentation

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`close()`	Closes the `MessageFunction`.
`ResponseFuture`	`request(EventType eventType, Object request)`	Sends the given request over the `MessageBus`.

- Method Detail
  - request
```
ResponseFuture request(EventType eventType,
                       Object request)
```
    Sends the given request over the MessageBus.
    The returned ResponseFuture fulfills, when a response is received or an exception during the transport of request or the reply is thrown.
    
    Parameters:
    
    eventType - the EventType of the request
    
    request - the request to send
    
    Returns:
    
    a ResponseFuture that can be queried for the result
  - close
```
void close()
```
    Closes the MessageFunction. This does not cancel any pending ResponseFutures.
    
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface NoErrorAutoClosable