Example usage for io.vertx.core CompositeFuture resultAt

Introduction

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

Prototype

<T> T resultAt(int index);

Source Link

Document

Returns the result of a wrapped future

Usage

From source file:com.github.ithildir.airbot.util.AirQualityMessageBuilder.java

License:Open Source License

public Future<String> getMessage(Location location, String locationString, Locale locale) {

    Future<String> future = Future.future();

    MeasurementService measurementService = _getMeasurementService(location);

    Future<Measurement> measurementFuture = Future.future();
    Future<String> nameFuture = Future.future();

    measurementService.getMeasurement(location.getLatitude(), location.getLongitude(), measurementFuture);

    measurementService.getName(nameFuture);

    CompositeFuture compositeFuture = CompositeFuture.all(measurementFuture, nameFuture);

    compositeFuture.setHandler(asyncResult -> {
        if (asyncResult.failed()) {
            future.fail(asyncResult.cause());

            return;
        }/*w  w  w  .jav a2  s.  c o m*/

        CompositeFuture resultCompositeFuture = asyncResult.result();

        Measurement measurement = (Measurement) resultCompositeFuture.resultAt(0);
        String name = (String) resultCompositeFuture.resultAt(1);

        String message = _getMessage(measurement, name, locationString, locale);

        future.complete(message);
    });

    return future;
}

---

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

License:Open Source License

private void handleCloseCompletion(Handler<AsyncResult<Void>> closeHandler, List<Future> futures) {
    CompositeFuture.all(futures).setHandler(rh -> {
        if (rh.succeeded()) {
            CompositeFuture composite = rh.result();
            for (int index = 0; index < composite.size(); index++) {
                if (composite.succeeded(index) && composite.resultAt(index) != null) {
                    composite.<SchemaRegistration>resultAt(index).unregisterServiceProxy();
                }//from  w w w.j  ava 2  s  .com
            }
            doClose(closeHandler);
        } else {
            closeHandler.handle(Future.failedFuture(rh.cause()));
        }
    });
}

---

From source file:io.engagingspaces.vertx.dataloader.DataLoader.java

License:Open Source License

/**
 * Dispatches the queued load requests to the batch execution function and returns a composite future of the result.
 * <p>//from w w  w.  j a v a 2s.  co  m
 * If batching is disabled, or there are no queued requests, then a succeeded composite future is returned.
 *
 * @return the composite future of the queued load requests
 */
public CompositeFuture dispatch() {
    if (!loaderOptions.batchingEnabled() || loaderQueue.size() == 0) {
        return CompositeFuture.join(Collections.emptyList());
    }
    CompositeFuture batch = batchLoadFunction.load(loaderQueue.keySet());
    dispatchedQueues.put(batch, new LinkedHashMap<>(loaderQueue));
    batch.setHandler(rh -> {
        AtomicInteger index = new AtomicInteger(0);
        dispatchedQueues.get(batch).forEach((key, future) -> {
            if (batch.succeeded(index.get())) {
                future.complete(batch.resultAt(index.get()));
            } else {
                future.fail(batch.cause(index.get()));
            }
            index.incrementAndGet();
        });
        dispatchedQueues.remove(batch);
    });
    loaderQueue.clear();
    return batch;
}

---