Package org.incendo.cloud.services.type

Interface SideEffectService<Context>

Type Parameters:

Context - Context type.

All Superinterfaces:

Function<Context,State>, Service<Context,State>

All Known Subinterfaces:

ConsumerService<Context>

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 SideEffectService<Context>
extends Service<Context,State>

Service implementation that alters the state of the owning application in some way. A SideEffectService does not return a generated result, instead it returns a response, indicating whether or not the context was consumed

Method Summary

Modifier and Type	Method	Description
@NonNull State	handle(@NonNull Context context)	Consumes the context, if possible.

Methods inherited from interface java.util.function.Function

andThen, compose

Methods inherited from interface org.incendo.cloud.services.type.Service

apply, order

Method Details

handle

@NonNull State handle(@NonNull Context context)
               throws Exception

Consumes the context, if possible. Returns State.ACCEPTED if the input was consumed, else State.REJECTED

Specified by:

handle in interface Service<Context,State>

Parameters:

context - context used in the generation of the response

Returns:

Response. If the response isn't State.ACCEPTED, the next service in the service chain will get to act on the context. Otherwise the execution halts, and the provided response is the final response.

Throws:

Exception - Any exception that occurs during the handling can be thrown, and will be wrapped by a PipelineException