services.moleculer.service

Interface Action

All Known Implementing Classes:

ActionEndpoint, LocalActionEndpoint, RemoteActionEndpoint

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 Action

Interface all Actions.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	handler(Context ctx) Action's main method.

Method Detail

handler

java.lang.Object handler(Context ctx)
                  throws java.lang.Exception

Action's main method. Allowed return types: Promise, CompletableFuture, Tree, String, int, double, byte, float, short, long, boolean, byte[], UUID, Date, InetAddress, BigInteger, BigDecimal, and Java Collections (Map, List, Set) with these types.

Parameters:

ctx - invocation context

Returns:

result of the action

Throws:

java.lang.Exception - any exception