Module com.zeroc.ice

Package com.zeroc.Ice

Class ErrorObserverMiddleware

java.lang.Object

com.zeroc.Ice.ErrorObserverMiddleware

All Implemented Interfaces:

Object

public final class ErrorObserverMiddleware
extends Object
implements Object

Provides a simple middleware that allows applications to observe any Errors thrown by the dispatch of an incoming request.

Nested Class Summary

Nested classes/interfaces inherited from interface com.zeroc.Ice.Object

Object.Ice_invokeResult

Constructor Summary

Constructors

Constructor	Description
ErrorObserverMiddleware(Object next, Consumer<Error> errorObserver)	Constructs a ErrorObserverMiddleware.

Method Summary

Modifier and Type	Method	Description
CompletionStage<OutgoingResponse>	dispatch(IncomingRequest request)	Dispatches an incoming request and returns the corresponding outgoing response.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.zeroc.Ice.Object

ice_id, ice_ids, ice_isA, ice_ping

Constructor Details

ErrorObserverMiddleware

public ErrorObserverMiddleware(Object next,
 Consumer<Error> errorObserver)

Constructs a ErrorObserverMiddleware.

Parameters:

next - the next dispatcher in the chain

errorObserver - the error observer. If the provided observer throws an exception while observing an error, this exception replaces the observed error for the remainder of the dispatch.

Method Details

dispatch

public CompletionStage<OutgoingResponse> dispatch(IncomingRequest request)
                                           throws UserException

Description copied from interface: Object

Dispatches an incoming request and returns the corresponding outgoing response.

Specified by:

dispatch in interface Object

Parameters:

request - the incoming request

Returns:

a CompletionStage that will complete with the outgoing response

Throws:

UserException - If a UserException is thrown, Ice will marshal it as the response payload.