Example usage for io.vertx.core CompositeFuture list

Introduction

In this page you can find the example usage for io.vertx.core CompositeFuture list.

Prototype

@GenIgnore
default <T> List<T> list() 

Source Link

Usage

From source file:io.engagingspaces.graphql.servicediscovery.publisher.SchemaPublisher.java

License:Open Source License

/**
 * Publishes the provided schema definitions to the specified service discovery.
 * <p>/* w w w.  j a  v a 2  s  .c  o m*/
 * Upon success a list of {@link SchemaRegistration}s is returned in the result handler.
 *
 * @param options       the service discovery options
 * @param resultHandler the result handler
 * @param schemas       the GraphQL schema's to publish
 */
default void publishAll(ServiceDiscoveryOptions options,
        Handler<AsyncResult<List<SchemaRegistration>>> resultHandler, GraphQLSchema... schemas) {

    Objects.requireNonNull(resultHandler, "Publication result handler cannot be null");
    if (schemas == null || schemas.length == 0) {
        resultHandler.handle(Future.failedFuture("Nothing to publish. No schema definitions provided"));
        return;
    }
    List<Future> futures = new ArrayList<>();
    Arrays.asList(schemas).forEach(schema -> publish(options, schema, rh -> futures
            .add(rh.succeeded() ? Future.succeededFuture(rh.result()) : Future.failedFuture(rh.cause()))));

    CompositeFuture.all(futures).setHandler(rh -> {
        if (rh.failed()) {
            resultHandler.handle(Future.failedFuture(rh.cause()));
            return;
        }
        CompositeFuture composite = rh.result();
        List<SchemaRegistration> published = composite.list();
        if (published.size() != schemas.length) {
            List<Throwable> errors = rh.result().<Future<Void>>list().stream().filter(Future::failed)
                    .map(Future::cause).collect(Collectors.toList());
            resultHandler.handle(Future.failedFuture(new PartialPublishException(errors)));
        } else {
            resultHandler.handle(Future.succeededFuture(published));
        }
    });
}

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