org.springframework.cloud.netflix.hystrix.HystrixCommands Java Examples
The following examples show how to use
org.springframework.cloud.netflix.hystrix.HystrixCommands.
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Example #1
Source File: ReservationClientApplication.java From bootiful-reactive-microservices with Apache License 2.0 | 7 votes |
@Bean RouterFunction<ServerResponse> routes(WebClient client) { return route(GET("/reservations/names"), r -> { Publisher<String> map = client .get() .uri("http://reservation-service/reservations") .retrieve() .bodyToFlux(Reservation.class) .map(Reservation::getEmail); Publisher<String> fallback = HystrixCommands .from(map) .fallback(Mono.just("EEK!")) .commandName("fallback") .eager() .build(); return ServerResponse.ok().body(fallback, String.class); }); }
Example #2
Source File: ReservationClientApplication.java From bootiful-reactive-microservices with Apache License 2.0 | 6 votes |
@Bean RouterFunction<ServerResponse> adapter(ReservationClient client) { return route(GET("/reservations/names"), request -> { Flux<String> names = client .getAllReservations() .map(Reservation::getName); Publisher<String> fallback = HystrixCommands .from(names) .eager() .commandName("names") .fallback(Flux.just("EEK!")) .build(); return ServerResponse.ok().body(fallback, String.class); }); }
Example #3
Source File: ReservationClientApplication.java From training with Apache License 2.0 | 5 votes |
@Bean RouterFunction<ServerResponse> routes(WebClient client, Source src) { return route(GET("/reservations/names"), req -> { Flux<String> names = client .get() .uri("http://reservation-service/reservations") .retrieve() .bodyToFlux(Reservation.class) .map(Reservation::getReservationName); Publisher<String> fallback = HystrixCommands .from(names) .commandName("reservation-names") .fallback(Flux.just("EEK!")) .eager() .build(); return ServerResponse.ok().body(fallback, String.class); }) .andRoute(POST("/reservations"), req -> { Flux<Boolean> sendResult = req.bodyToFlux(Reservation.class) .map(Reservation::getReservationName) .map(r -> MessageBuilder.withPayload(r).build()) .map(msg -> src.output().send(msg)); return ServerResponse.ok().body(sendResult, Boolean.class); } ); }
Example #4
Source File: ReservationClientApplication.java From training with Apache License 2.0 | 5 votes |
@Bean RouterFunction<ServerResponse> routes(WebClient client, Source src) { return route(GET("/reservations/names"), req -> { Flux<String> names = client .get() .uri("http://reservation-service/reservations") .retrieve() .bodyToFlux(Reservation.class) .map(Reservation::getReservationName); Publisher<String> fallback = HystrixCommands .from(names) .commandName("reservation-names") .fallback(Flux.just("EEK!")) .eager() .build(); return ServerResponse.ok().body(fallback, String.class); }) .andRoute(POST("/reservations"), req -> { Flux<Boolean> sendResult = req.bodyToFlux(Reservation.class) .map(Reservation::getReservationName) .map(r -> MessageBuilder.withPayload(r).build()) .map(msg -> src.output().send(msg)); return ServerResponse.ok().body(sendResult, Boolean.class); } ); }
Example #5
Source File: ReservationClientApplication.java From bootiful-reactive-microservices with Apache License 2.0 | 5 votes |
@Bean RouterFunction<ServerResponse> routes(ReservationClient client) { return route(GET("/reservations/names"), serverRequest -> { Flux<String> names = client .getAllReservations() .map(Reservation::getName); Publisher<String> cb = HystrixCommands .from(names) .eager() .commandName("names") .fallback(Flux.just("EEK!")) .build(); /* // hedging WebClient wc = null; /// DiscoveryClient dc = null; /// List<ServiceInstance> instances = dc.getInstances("foo-service"); if (instances.size() >= 3) { List<ServiceInstance> serviceInstances = instances.subList(0, 3); Flux<Reservation> callThreeServicesAtTheSameTime = Flux .fromStream(serviceInstances.stream()) .map(si -> si.getHost() + ':' + si.getPort()) .flatMap(uri -> wc.get().uri(uri).retrieve().bodyToFlux(Reservation.class)); Flux<Reservation> first = Flux.first(callThreeServicesAtTheSameTime); } */ return ServerResponse.ok().body(cb, String.class); }); }
Example #6
Source File: ReservationClientApplication.java From bootiful-reactive-microservices with Apache License 2.0 | 5 votes |
@Bean RouterFunction<ServerResponse> routes(ReservationClient client /* WebClient client */ ) { return route(GET("/reservations/names"), request -> { /* Flux<String> stringFlux = client .get() .uri("http://reservation-service/reservations") .retrieve() .bodyToFlux(Reservation.class) .map(Reservation::getReservationName); */ Flux<String> allReservations = client .getAllReservations() .map(Reservation::getReservationName); Publisher<String> namesFallback = HystrixCommands .from(allReservations) .eager() .commandName("names") .fallback(Flux.just("EEK!")) .build(); return ServerResponse.ok().body(namesFallback, String.class); }); }