Example usage for io.vertx.core Future future

Introduction

In this page you can find the example usage for io.vertx.core Future future.

Prototype

future

Source Link

Usage

From source file:org.eclipse.hono.tests.mqtt.TelemetryMqttQoS1IT.java

License:Open Source License

@Override
protected Future<Void> send(final String tenantId, final String deviceId, final Buffer payload,
        final boolean useShortTopicName) {

    final String topic = String.format(TOPIC_TEMPLATE,
            useShortTopicName ? TelemetryConstants.TELEMETRY_ENDPOINT_SHORT
                    : TelemetryConstants.TELEMETRY_ENDPOINT,
            tenantId, deviceId);//from w w w. j  av  a 2s  .  c o  m
    final Future<Void> result = Future.future();
    mqttClient.publishCompletionHandler(id -> result.complete());
    mqttClient.publish(topic, payload, MqttQoS.AT_LEAST_ONCE, false, false);
    return result;
}

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From source file:org.eclipse.hono.tests.registry.DeviceRegistryAmqpTestSupport.java

License:Open Source License

/**
 * Closes the connection of the provided client to the device registry service.
 * <p>//from   www. j  a va  2 s  .c  om
 * Any senders or consumers opened by this client will be implicitly closed as well. Any subsequent attempts to
 * connect this client again will fail.
 *
 * @param vertx The Vert.x instance on which the client is executed on.
 * @param ctx The test context that the tests are executed on.
 * @param client The client to shutdown.
 * @throws NullPointerException if any of the parameters is {@code null}.
 */
protected static void shutdownDeviceRegistryClient(final TestContext ctx, final Vertx vertx,
        final HonoClient client) {

    final Future<Void> clientTracker = Future.future();
    if (client != null) {
        client.shutdown(clientTracker.completer());
    } else {
        clientTracker.complete();
    }
    clientTracker.otherwiseEmpty().compose(s -> {
        final Future<Void> vertxTracker = Future.future();
        vertx.close(vertxTracker.completer());
        return vertxTracker;
    }).setHandler(ctx.asyncAssertSuccess());
}

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From source file:org.eclipse.hono.vertx.example.base.HonoConsumerBase.java

License:Open Source License

/**
 * Initiate the connection and set the message handling method to treat data that is received.
 *
 * @throws Exception Thrown if the latch is interrupted during waiting or if the read from System.in throws an IOException.
 *//*from ww  w  . ja v  a  2 s.  co m*/
protected void consumeData() throws Exception {

    final CountDownLatch latch = new CountDownLatch(1);
    final Future<MessageConsumer> consumerFuture = Future.future();

    consumerFuture.setHandler(result -> {
        if (!result.succeeded()) {
            System.err.println("honoClient could not create telemetry consumer for "
                    + HonoExampleConstants.HONO_AMQP_CONSUMER_HOST + ":"
                    + HonoExampleConstants.HONO_AMQP_CONSUMER_PORT + " : " + result.cause());
        }
        latch.countDown();
    });

    honoClient.connect(this::onDisconnect).compose(connectedClient -> createConsumer())
            .setHandler(consumerFuture.completer());

    latch.await();

    if (consumerFuture.succeeded()) {
        System.in.read();
    }
    vertx.close();
}

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From source file:org.eclipse.hono.vertx.example.base.HonoSenderBase.java

License:Open Source License

/**
 * Get both Hono clients and connect them to Hono's microservices.
 *
 * @return The result of the creation and connection of the Hono clients.
 *//*from  ww  w.  ja va  2 s .c o m*/
private Future<Void> getHonoClients() {
    // we need two clients to get it working, define futures for them
    final Future<RegistrationClient> registrationClientTracker = getRegistrationClient();
    final Future<MessageSender> messageSenderTracker = getMessageSender();

    final Future<Void> result = Future.future();

    CompositeFuture.all(registrationClientTracker, messageSenderTracker).setHandler(compositeResult -> {
        if (compositeResult.failed()) {
            System.err.println("hono clients could not be created : " + compositeResult.cause().getMessage());
            result.fail(compositeResult.cause());
        } else {
            registrationClient = registrationClientTracker.result();
            messageSender = messageSenderTracker.result();
            result.complete();
        }
    });

    return result;
}

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From source file:org.eclipse.hono.vertx.example.base.HonoSenderBase.java

License:Open Source License

private Future<Void> closeClients() {
    final Future<Void> messagingClient = Future.future();
    final Future<Void> regClient = Future.future();
    honoMessagingClient.shutdown(messagingClient.completer());
    honoRegistryClient.shutdown(regClient.completer());
    return CompositeFuture.all(messagingClient, regClient).compose(ok -> Future.succeededFuture());
}

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From source file:org.entcore.directory.services.impl.DefaultUserBookService.java

License:Open Source License

public void cleanAvatarCache(List<String> usersId, final Handler<Boolean> handler) {
    @SuppressWarnings("rawtypes")
    List<Future> futures = new ArrayList<>();
    for (String u : usersId) {
        Future<Boolean> future = Future.future();
        futures.add(future);//  w  w w . j a v  a2  s . c om
        futures.add(cleanAvatarCache(u));
    }
    CompositeFuture.all(futures).setHandler(finishRes -> handler.handle(finishRes.succeeded()));
}

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From source file:org.entcore.directory.services.impl.DefaultUserBookService.java

License:Open Source License

private Future<Boolean> cleanAvatarCache(String userId) {
    Future<Boolean> future = Future.future();
    this.avatarStorage.findByFilenameEndingWith(userId, res -> {
        if (res.succeeded() && res.result().size() > 0) {
            this.avatarStorage.removeFiles(res.result(), removeRes -> {
                future.complete(true);/*w w w. j  a  v  a  2s. c om*/
            });
        } else {
            future.complete(false);
        }
    });
    return future;
}

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From source file:org.entcore.directory.services.impl.DefaultUserBookService.java

License:Open Source License

private Future<Boolean> cacheAvatarFromUserBook(String userId, Optional<String> pictureId, Boolean remove) {
    // clean avatar when changing or when removing
    Future<Boolean> futureClean = (pictureId.isPresent() || remove) ? cleanAvatarCache(userId)
            : Future.succeededFuture();
    return futureClean.compose(res -> {
        if (!pictureId.isPresent()) {
            return Future.succeededFuture();
        }/*  w ww  .  j  a v a  2 s . com*/
        Future<Boolean> futureCopy = Future.future();
        this.wsHelper.getDocument(pictureId.get(), resDoc -> {
            if (resDoc.succeeded() && "ok".equals(resDoc.result().body().getString("status"))) {
                JsonObject document = resDoc.result().body().getJsonObject("result");
                String fileId = document.getString("file");
                // Extensions are not used by storage
                String defaultFilename = avatarFileNameFromUserId(userId, Optional.empty());
                //
                JsonObject thumbnails = document.getJsonObject("thumbnails", new JsonObject());
                Map<String, String> filenamesByIds = new HashMap<>();
                filenamesByIds.put(fileId, defaultFilename);

                for (String size : thumbnails.fieldNames()) {
                    filenamesByIds.put(thumbnails.getString(size),
                            avatarFileNameFromUserId(userId, Optional.of(size)));
                }
                // TODO avoid buffer to improve performances and avoid cache every time
                List<Future> futures = new ArrayList<>();
                for (Entry<String, String> entry : filenamesByIds.entrySet()) {
                    String cFileId = entry.getKey();
                    String cFilename = entry.getValue();
                    Future<JsonObject> future = Future.future();
                    futures.add(future);
                    this.wsHelper.readFile(cFileId, buffer -> {
                        if (buffer != null) {
                            this.avatarStorage.writeBuffer(FileUtils.stripExtension(cFilename), buffer, "",
                                    cFilename, wRes -> {
                                        future.complete(wRes);
                                    });
                        } else {
                            future.fail("Cannot read file from workspace storage. ID =: " + cFileId);
                        }
                    });
                }
                //
                CompositeFuture.all(futures)
                        .setHandler(finishRes -> futureCopy.complete(finishRes.succeeded()));
            }
        });
        return futureCopy;
    });

}

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From source file:org.entcore.directory.services.impl.DefaultUserBookService.java

License:Open Source License

private Future<Boolean> sendAvatar(HttpServerRequest request, String fileId) {
    Future<Boolean> future = Future.future();
    // file storage doesnt keep extension
    JsonObject meta = new JsonObject().put("content-type", "image/*");
    this.avatarStorage.fileStats(fileId, stats -> {
        if (stats.succeeded()) {
            Date modified = stats.result().getLastModified();
            boolean hasBeenModified = HttpHeaderUtils.checkIfModifiedSince(request.headers(), modified);
            boolean hasChangedEtag = !ETag.check(request, fileId);
            HttpHeaderUtils.addHeaderLastModified(request.response().headers(), modified);
            // check if file is modified or fileid has changed
            if (hasBeenModified || hasChangedEtag) {
                // TODO send file renvoie tout le chemin de fichier dans l ETAG?
                this.avatarStorage.sendFile(fileId, fileId, request, true, meta);
                future.complete(true);/*from w w  w  .j  a v  a 2  s .  c  o  m*/
            } else {
                Renders.notModified(request);
                future.complete(true);
            }
        } else {
            future.complete(false);
        }
    });
    return future;
}

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From source file:org.folio.auth.login_module.impl.DummyUserSource.java

@Override
public Future<UserResult> getUser(String username) {
    Future<UserResult> future = Future.future();
    future.complete(new UserResult(username));
    return future;
}

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