@Override
    public void setApplicationContext(final ApplicationContext applicationContext) {
        this.applicationContext = applicationContext;
    }
A {@link GrpcServiceDiscoverer} that searches for beans with the {@link GrpcService} annotations.

@author Michael (yidongnan@gmail.com)
@since 5/17/16
grpc-server-spring-boot-starter/src/main/java/net/devh/boot/grpc/server/service/AnnotationGrpcServiceDiscoverer.java