Examples with ServiceDiscoverer io.servicetalk.client.api.ServiceDiscoverer used on opensource projects

Example 1 with ServiceDiscoverer

use of io.servicetalk.client.api.ServiceDiscoverer in project servicetalk by apple.

the class DefaultPartitionedHttpClientBuilder method buildStreaming.

@Override
public StreamingHttpClient buildStreaming() {
    final HttpClientBuildContext<U, R> buildContext = builderTemplate.copyBuildCtx();
    final HttpExecutionContext executionContext = buildContext.builder.build().executionContext();
    BiIntFunction<Throwable, ? extends Completable> sdRetryStrategy = serviceDiscovererRetryStrategy;
    if (sdRetryStrategy == null) {
        sdRetryStrategy = retryWithConstantBackoffDeltaJitter(__ -> true, SD_RETRY_STRATEGY_INIT_DURATION, SD_RETRY_STRATEGY_JITTER, executionContext.executor());
    }
    ServiceDiscoverer<U, R, PartitionedServiceDiscovererEvent<R>> psd = new DefaultSingleAddressHttpClientBuilder.RetryingServiceDiscoverer<>(serviceDiscoverer, sdRetryStrategy);
    final PartitionedClientFactory<U, R, FilterableStreamingHttpClient> clientFactory = (pa, sd) -> {
        // build new context, user may have changed anything on the builder from the filter
        DefaultSingleAddressHttpClientBuilder<U, R> builder = buildContext.builder.copyBuildCtx().builder;
        builder.serviceDiscoverer(sd);
        clientFilterFunction.configureForPartition(pa, builder);
        if (clientInitializer != null) {
            clientInitializer.initialize(pa, builder);
        }
        return builder.buildStreaming();
    };
    final Publisher<PartitionedServiceDiscovererEvent<R>> psdEvents = psd.discover(buildContext.address()).flatMapConcatIterable(identity());
    DefaultPartitionedStreamingHttpClientFilter<U, R> partitionedClient = new DefaultPartitionedStreamingHttpClientFilter<>(psdEvents, serviceDiscoveryMaxQueueSize, clientFactory, partitionAttributesBuilderFactory, defaultReqRespFactory(buildContext.httpConfig().asReadOnly(), executionContext.bufferAllocator()), executionContext, partitionMapFactory);
    HttpExecutionStrategy computedStrategy = buildContext.builder.computeChainStrategy(executionContext.executionStrategy());
    LOGGER.debug("Client created with base strategy {} → computed strategy {}", executionContext.executionStrategy(), computedStrategy);
    return new FilterableClientToClient(partitionedClient, computedStrategy);
}