Examples with ServerSentEvents ratpack.sse.ServerSentEvents used on opensource projects

Example 1 with ServerSentEvents

use of ratpack.sse.ServerSentEvents in project resilience4j by resilience4j.

the class BulkheadChain method execute.

@Override
public void execute(Chain chain) throws Exception {
    String prefix = chain.getRegistry().get(Resilience4jConfig.class).getEndpoints().getBulkheads().getPath();
    chain.prefix(prefix, chain1 -> {
        chain1.get("events", ctx -> Promise.<BulkheadEventsEndpointResponse>async(d -> {
            BulkheadEventsEndpointResponse response = new BulkheadEventsEndpointResponse(eventConsumerRegistry.getAllEventConsumer().flatMap(CircularEventConsumer::getBufferedEvents).sorted(Comparator.comparing(BulkheadEvent::getCreationTime)).map(BulkheadEventDTO::createEventDTO).toJavaList());
            d.success(response);
        }).then(r -> ctx.render(Jackson.json(r))));
        chain1.get("stream/events", ctx -> {
            Seq<Flowable<BulkheadEvent>> eventStreams = bulkheadRegistry.getAllBulkheads().map(bulkhead -> RxJava2Adapter.toFlowable(bulkhead.getEventPublisher()));
            Function<BulkheadEvent, String> data = b -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(BulkheadEventDTO.createEventDTO(b));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(Flowable.merge(eventStreams), e -> e.id(BulkheadEvent::getBulkheadName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
        chain1.get("events/:name", ctx -> {
            String bulkheadName = ctx.getPathTokens().get("name");
            Promise.<BulkheadEventsEndpointResponse>async(d -> {
                BulkheadEventsEndpointResponse response = new BulkheadEventsEndpointResponse(eventConsumerRegistry.getEventConsumer(bulkheadName).getBufferedEvents().map(BulkheadEventDTO::createEventDTO).toJavaList());
                d.success(response);
            }).then(r -> ctx.render(Jackson.json(r)));
        });
        chain1.get("stream/events/:name", ctx -> {
            String bulkheadName = ctx.getPathTokens().get("name");
            Bulkhead bulkhead = bulkheadRegistry.getAllBulkheads().find(b -> b.getName().equals(bulkheadName)).getOrElseThrow(() -> new IllegalArgumentException(String.format("bulkhead with name %s not found", bulkheadName)));
            Function<BulkheadEvent, String> data = b -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(BulkheadEventDTO.createEventDTO(b));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(RxJava2Adapter.toFlowable(bulkhead.getEventPublisher()), e -> e.id(BulkheadEvent::getBulkheadName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
        chain1.get("events/:name/:type", ctx -> {
            String bulkheadName = ctx.getPathTokens().get("name");
            String eventType = ctx.getPathTokens().get("type");
            Promise.<BulkheadEventsEndpointResponse>async(d -> {
                BulkheadEventsEndpointResponse response = new BulkheadEventsEndpointResponse(eventConsumerRegistry.getEventConsumer(bulkheadName).getBufferedEvents().filter(event -> event.getEventType() == BulkheadEvent.Type.valueOf(eventType.toUpperCase())).map(BulkheadEventDTO::createEventDTO).toJavaList());
                d.success(response);
            }).then(r -> ctx.render(Jackson.json(r)));
        });
        chain1.get("stream/events/:name/:type", ctx -> {
            String bulkheadName = ctx.getPathTokens().get("name");
            String eventType = ctx.getPathTokens().get("type");
            Bulkhead bulkhead = bulkheadRegistry.getAllBulkheads().find(b -> b.getName().equals(bulkheadName)).getOrElseThrow(() -> new IllegalArgumentException(String.format("bulkhead with name %s not found", bulkheadName)));
            Flowable<BulkheadEvent> eventStream = RxJava2Adapter.toFlowable(bulkhead.getEventPublisher()).filter(event -> event.getEventType() == BulkheadEvent.Type.valueOf(eventType.toUpperCase()));
            Function<BulkheadEvent, String> data = b -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(BulkheadEventDTO.createEventDTO(b));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(eventStream, e -> e.id(BulkheadEvent::getBulkheadName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
    });
}

Example 2 with ServerSentEvents

use of ratpack.sse.ServerSentEvents in project resilience4j by resilience4j.

the class RetryChain method execute.

@Override
public void execute(Chain chain) throws Exception {
    String prefix = chain.getRegistry().get(Resilience4jConfig.class).getEndpoints().getRetries().getPath();
    chain.prefix(prefix, chain1 -> {
        chain1.get("events", ctx -> Promise.<RetryEventsEndpointResponse>async(d -> {
            List<RetryEventDTO> eventsList = eventConsumerRegistry.getAllEventConsumer().flatMap(CircularEventConsumer::getBufferedEvents).sorted(Comparator.comparing(RetryEvent::getCreationTime)).map(RetryEventDTO::createRetryEventDTO).toJavaList();
            d.success(new RetryEventsEndpointResponse(eventsList));
        }).then(r -> ctx.render(Jackson.json(r))));
        chain1.get("stream/events", ctx -> {
            Seq<Flowable<RetryEvent>> eventStreams = retryRegistry.getAllRetries().map(retry -> toFlowable(retry.getEventPublisher()));
            Function<RetryEvent, String> data = r -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(RetryEventDTO.createRetryEventDTO(r));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(Flowable.merge(eventStreams), e -> e.id(RetryEvent::getName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
        chain1.get("events/:name", ctx -> {
            String retryName = ctx.getPathTokens().get("name");
            Promise.<RetryEventsEndpointResponse>async(d -> {
                List<RetryEventDTO> eventsList = eventConsumerRegistry.getEventConsumer(retryName).getBufferedEvents().sorted(Comparator.comparing(RetryEvent::getCreationTime)).map(RetryEventDTO::createRetryEventDTO).toJavaList();
                d.success(new RetryEventsEndpointResponse(eventsList));
            }).then(r -> ctx.render(Jackson.json(r)));
        });
        chain1.get("stream/events/:name", ctx -> {
            String rateLimiterName = ctx.getPathTokens().get("name");
            Retry retry = retryRegistry.getAllRetries().find(rL -> rL.getName().equals(rateLimiterName)).getOrElseThrow(() -> new IllegalArgumentException(String.format("rate limiter with name %s not found", rateLimiterName)));
            Function<RetryEvent, String> data = r -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(RetryEventDTO.createRetryEventDTO(r));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(toFlowable(retry.getEventPublisher()), e -> e.id(RetryEvent::getName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
        chain1.get("events/:name/:type", ctx -> {
            String retryName = ctx.getPathTokens().get("name");
            String eventType = ctx.getPathTokens().get("type");
            Promise.<RetryEventsEndpointResponse>async(d -> {
                List<RetryEventDTO> eventsList = eventConsumerRegistry.getEventConsumer(retryName).getBufferedEvents().sorted(Comparator.comparing(RetryEvent::getCreationTime)).filter(event -> event.getEventType() == RetryEvent.Type.valueOf(eventType.toUpperCase())).map(RetryEventDTO::createRetryEventDTO).toJavaList();
                d.success(new RetryEventsEndpointResponse(eventsList));
            }).then(r -> ctx.render(Jackson.json(r)));
        });
        chain1.get("stream/events/:name/:type", ctx -> {
            String retryName = ctx.getPathTokens().get("name");
            String eventType = ctx.getPathTokens().get("type");
            Retry retry = retryRegistry.getAllRetries().find(rL -> rL.getName().equals(retryName)).getOrElseThrow(() -> new IllegalArgumentException(String.format("rate limiter with name %s not found", retryName)));
            Flowable<RetryEvent> eventStream = toFlowable(retry.getEventPublisher()).filter(event -> event.getEventType() == RetryEvent.Type.valueOf(eventType.toUpperCase()));
            Function<RetryEvent, String> data = r -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(RetryEventDTO.createRetryEventDTO(r));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(eventStream, e -> e.id(RetryEvent::getName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
    });
}

Example 3 with ServerSentEvents

use of ratpack.sse.ServerSentEvents in project resilience4j by resilience4j.

the class RateLimiterChain method execute.

@Override
public void execute(Chain chain) throws Exception {
    String prefix = chain.getRegistry().get(Resilience4jConfig.class).getEndpoints().getRateLimiters().getPath();
    chain.prefix(prefix, chain1 -> {
        chain1.get("events", ctx -> Promise.<RateLimiterEventsEndpointResponse>async(d -> {
            List<RateLimiterEventDTO> eventsList = eventConsumerRegistry.getAllEventConsumer().flatMap(CircularEventConsumer::getBufferedEvents).sorted(Comparator.comparing(RateLimiterEvent::getCreationTime)).map(RateLimiterEventDTO::createRateLimiterEventDTO).toJavaList();
            d.success(new RateLimiterEventsEndpointResponse(eventsList));
        }).then(r -> ctx.render(Jackson.json(r))));
        chain1.get("stream/events", ctx -> {
            Seq<Flowable<RateLimiterEvent>> eventStreams = rateLimiterRegistry.getAllRateLimiters().map(rateLimiter -> RxJava2Adapter.toFlowable(rateLimiter.getEventPublisher()));
            Function<RateLimiterEvent, String> data = r -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(RateLimiterEventDTO.createRateLimiterEventDTO(r));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(Flowable.merge(eventStreams), e -> e.id(RateLimiterEvent::getRateLimiterName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
        chain1.get("events/:name", ctx -> {
            String rateLimiterName = ctx.getPathTokens().get("name");
            Promise.<RateLimiterEventsEndpointResponse>async(d -> {
                List<RateLimiterEventDTO> eventsList = eventConsumerRegistry.getEventConsumer(rateLimiterName).getBufferedEvents().sorted(Comparator.comparing(RateLimiterEvent::getCreationTime)).map(RateLimiterEventDTO::createRateLimiterEventDTO).toJavaList();
                d.success(new RateLimiterEventsEndpointResponse(eventsList));
            }).then(r -> ctx.render(Jackson.json(r)));
        });
        chain1.get("stream/events/:name", ctx -> {
            String rateLimiterName = ctx.getPathTokens().get("name");
            RateLimiter rateLimiter = rateLimiterRegistry.getAllRateLimiters().find(rL -> rL.getName().equals(rateLimiterName)).getOrElseThrow(() -> new IllegalArgumentException(String.format("rate limiter with name %s not found", rateLimiterName)));
            Function<RateLimiterEvent, String> data = r -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(RateLimiterEventDTO.createRateLimiterEventDTO(r));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(RxJava2Adapter.toFlowable(rateLimiter.getEventPublisher()), e -> e.id(RateLimiterEvent::getRateLimiterName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
        chain1.get("events/:name/:type", ctx -> {
            String rateLimiterName = ctx.getPathTokens().get("name");
            String eventType = ctx.getPathTokens().get("type");
            Promise.<RateLimiterEventsEndpointResponse>async(d -> {
                List<RateLimiterEventDTO> eventsList = eventConsumerRegistry.getEventConsumer(rateLimiterName).getBufferedEvents().sorted(Comparator.comparing(RateLimiterEvent::getCreationTime)).filter(event -> event.getEventType() == RateLimiterEvent.Type.valueOf(eventType.toUpperCase())).map(RateLimiterEventDTO::createRateLimiterEventDTO).toJavaList();
                d.success(new RateLimiterEventsEndpointResponse(eventsList));
            }).then(r -> ctx.render(Jackson.json(r)));
        });
        chain1.get("stream/events/:name/:type", ctx -> {
            String rateLimiterName = ctx.getPathTokens().get("name");
            String eventType = ctx.getPathTokens().get("type");
            RateLimiter rateLimiter = rateLimiterRegistry.getAllRateLimiters().find(rL -> rL.getName().equals(rateLimiterName)).getOrElseThrow(() -> new IllegalArgumentException(String.format("rate limiter with name %s not found", rateLimiterName)));
            Flowable<RateLimiterEvent> eventStream = RxJava2Adapter.toFlowable(rateLimiter.getEventPublisher()).filter(event -> event.getEventType() == RateLimiterEvent.Type.valueOf(eventType.toUpperCase()));
            Function<RateLimiterEvent, String> data = r -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(RateLimiterEventDTO.createRateLimiterEventDTO(r));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(eventStream, e -> e.id(RateLimiterEvent::getRateLimiterName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
    });
}

Example 4 with ServerSentEvents

use of ratpack.sse.ServerSentEvents in project resilience4j by resilience4j.

the class CircuitBreakerChain method execute.

@Override
public void execute(Chain chain) throws Exception {
    String prefix = chain.getRegistry().get(Resilience4jConfig.class).getEndpoints().getCircuitBreakers().getPath();
    chain.prefix(prefix, chain1 -> {
        chain1.get("events", ctx -> Promise.<CircuitBreakerEventsEndpointResponse>async(d -> {
            CircuitBreakerEventsEndpointResponse response = new CircuitBreakerEventsEndpointResponse(eventConsumerRegistry.getAllEventConsumer().flatMap(CircularEventConsumer::getBufferedEvents).sorted(Comparator.comparing(CircuitBreakerEvent::getCreationTime)).map(CircuitBreakerEventDTOFactory::createCircuitBreakerEventDTO).toJavaList());
            d.success(response);
        }).then(r -> ctx.render(Jackson.json(r))));
        chain1.get("stream/events", ctx -> {
            Seq<Flowable<CircuitBreakerEvent>> eventStreams = circuitBreakerRegistry.getAllCircuitBreakers().map(circuitBreaker -> RxJava2Adapter.toFlowable(circuitBreaker.getEventPublisher()));
            Function<CircuitBreakerEvent, String> data = c -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(CircuitBreakerEventDTOFactory.createCircuitBreakerEventDTO(c));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(Flowable.merge(eventStreams), e -> e.id(CircuitBreakerEvent::getCircuitBreakerName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
        chain1.get("events/:name", ctx -> {
            String circuitBreakerName = ctx.getPathTokens().get("name");
            Promise.<CircuitBreakerEventsEndpointResponse>async(d -> {
                CircuitBreakerEventsEndpointResponse response = new CircuitBreakerEventsEndpointResponse(eventConsumerRegistry.getEventConsumer(circuitBreakerName).getBufferedEvents().map(CircuitBreakerEventDTOFactory::createCircuitBreakerEventDTO).toJavaList());
                d.success(response);
            }).then(r -> ctx.render(Jackson.json(r)));
        });
        chain1.get("stream/events/:name", ctx -> {
            String circuitBreakerName = ctx.getPathTokens().get("name");
            CircuitBreaker circuitBreaker = circuitBreakerRegistry.getAllCircuitBreakers().find(cb -> cb.getName().equals(circuitBreakerName)).getOrElseThrow(() -> new IllegalArgumentException(String.format("circuit breaker with name %s not found", circuitBreakerName)));
            Function<CircuitBreakerEvent, String> data = c -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(CircuitBreakerEventDTOFactory.createCircuitBreakerEventDTO(c));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(RxJava2Adapter.toFlowable(circuitBreaker.getEventPublisher()), e -> e.id(CircuitBreakerEvent::getCircuitBreakerName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
        chain1.get("events/:name/:type", ctx -> {
            String circuitBreakerName = ctx.getPathTokens().get("name");
            String eventType = ctx.getPathTokens().get("type");
            Promise.<CircuitBreakerEventsEndpointResponse>async(d -> {
                CircuitBreakerEventsEndpointResponse response = new CircuitBreakerEventsEndpointResponse(eventConsumerRegistry.getEventConsumer(circuitBreakerName).getBufferedEvents().filter(event -> event.getEventType() == CircuitBreakerEvent.Type.valueOf(eventType.toUpperCase())).map(CircuitBreakerEventDTOFactory::createCircuitBreakerEventDTO).toJavaList());
                d.success(response);
            }).then(r -> ctx.render(Jackson.json(r)));
        });
        chain1.get("stream/events/:name/:type", ctx -> {
            String circuitBreakerName = ctx.getPathTokens().get("name");
            String eventType = ctx.getPathTokens().get("type");
            CircuitBreaker circuitBreaker = circuitBreakerRegistry.getAllCircuitBreakers().find(cb -> cb.getName().equals(circuitBreakerName)).getOrElseThrow(() -> new IllegalArgumentException(String.format("circuit breaker with name %s not found", circuitBreakerName)));
            Flowable<CircuitBreakerEvent> eventStream = RxJava2Adapter.toFlowable(circuitBreaker.getEventPublisher()).filter(event -> event.getEventType() == CircuitBreakerEvent.Type.valueOf(eventType.toUpperCase()));
            Function<CircuitBreakerEvent, String> data = c -> Jackson.getObjectWriter(chain1.getRegistry()).writeValueAsString(CircuitBreakerEventDTOFactory.createCircuitBreakerEventDTO(c));
            ServerSentEvents events = ServerSentEvents.serverSentEvents(eventStream, e -> e.id(CircuitBreakerEvent::getCircuitBreakerName).event(c -> c.getEventType().name()).data(data));
            ctx.render(events);
        });
    });
}