io.scalecube.services.routing.Router Maven / Gradle / Ivy

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package io.scalecube.services.routing;

import io.scalecube.services.ServiceReference;
import io.scalecube.services.api.ServiceMessage;
import io.scalecube.services.registry.api.ServiceRegistry;

import java.util.List;
import java.util.Optional;

@FunctionalInterface
public interface Router {

  /**
   * returns service instance if a given request message is applicable.
   */
  default Optional route(ServiceRegistry serviceRegistry, ServiceMessage request) {
    return routes(serviceRegistry, request).stream().findFirst();
  }

  /**
   * returns all applicable routes.
   */
  List routes(ServiceRegistry serviceRegistry, ServiceMessage request);

}