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

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Usage

From source file:org.eclipse.hono.service.HealthCheckServer.java

License:Open Source License

/**
 * Starts the health check server if health check is configured, otherwise does nothing.
 *
 * @return a future indicating the output of the operation.
 *///from   w ww  . ja  v  a  2 s.c  o m
public Future<Void> start() {

    Future<Void> result = Future.future();
    if (router != null) {
        HttpServerOptions options = new HttpServerOptions().setPort(config.getHealthCheckPort())
                .setHost(config.getHealthCheckBindAddress());
        server = vertx.createHttpServer(options);

        router.get(URI_READINESS_PROBE).handler(readinessHandler);
        router.get(URI_LIVENESS_PROBE).handler(livenessHandler);

        server.requestHandler(router::accept).listen(startAttempt -> {
            if (startAttempt.succeeded()) {
                LOG.info("readiness probe available at http://{}:{}{}", options.getHost(), options.getPort(),
                        URI_READINESS_PROBE);
                LOG.info("liveness probe available at http://{}:{}{}", options.getHost(), options.getPort(),
                        URI_LIVENESS_PROBE);
                result.complete();
            } else {
                LOG.warn("failed to start health checks HTTP server:", startAttempt.cause().getMessage());
                result.fail(startAttempt.cause());
            }
        });

    } else { // health check port not configured
        result.complete();
    }
    return result;
}

From source file:org.eclipse.hono.service.HealthCheckServer.java

License:Open Source License

/**
 * Closes the HTTP server if it exists./*from  ww  w .  java  2 s  .  co m*/
 *
 * @return A Future indicating the outcome of the operation.
 */
public Future<Void> stop() {

    Future<Void> result = Future.future();
    if (server != null) {
        server.close(result.completer());
    } else {
        result.complete();
    }
    return result;
}

From source file:org.eclipse.hono.service.http.HttpServiceBase.java

License:Open Source License

private Future<HttpServer> bindSecureHttpServer(final Router router) {

    if (isSecurePortEnabled()) {
        Future<HttpServer> result = Future.future();
        final String bindAddress = server == null ? getConfig().getBindAddress() : "?";
        if (server == null) {
            server = vertx.createHttpServer(getHttpServerOptions());
        }/*from   w w w.  ja v  a  2 s .  c o m*/
        server.requestHandler(router::accept).listen(bindAttempt -> {
            if (bindAttempt.succeeded()) {
                if (getPort() == getPortDefaultValue()) {
                    LOG.info("server listens on standard secure port [{}:{}]", bindAddress,
                            server.actualPort());
                } else {
                    LOG.warn("server listens on non-standard secure port [{}:{}], default is {}", bindAddress,
                            server.actualPort(), getPortDefaultValue());
                }
                result.complete(bindAttempt.result());
            } else {
                LOG.error("cannot bind to secure port", bindAttempt.cause());
                result.fail(bindAttempt.cause());
            }
        });
        return result;
    } else {
        return Future.succeededFuture();
    }
}

From source file:org.eclipse.hono.service.http.HttpServiceBase.java

License:Open Source License

private Future<HttpServer> bindInsecureHttpServer(final Router router) {

    if (isInsecurePortEnabled()) {
        Future<HttpServer> result = Future.future();
        final String bindAddress = insecureServer == null ? getConfig().getInsecurePortBindAddress() : "?";
        if (insecureServer == null) {
            insecureServer = vertx.createHttpServer(getInsecureHttpServerOptions());
        }/*from  ww  w .  j  ava 2  s. co m*/
        insecureServer.requestHandler(router::accept).listen(bindAttempt -> {
            if (bindAttempt.succeeded()) {
                if (getInsecurePort() == getInsecurePortDefaultValue()) {
                    LOG.info("server listens on standard insecure port [{}:{}]", bindAddress,
                            insecureServer.actualPort());
                } else {
                    LOG.warn("server listens on non-standard insecure port [{}:{}], default is {}", bindAddress,
                            insecureServer.actualPort(), getInsecurePortDefaultValue());
                }
                result.complete(bindAttempt.result());
            } else {
                LOG.error("cannot bind to insecure port", bindAttempt.cause());
                result.fail(bindAttempt.cause());
            }
        });
        return result;
    } else {
        return Future.succeededFuture();
    }
}

From source file:org.eclipse.hono.service.http.HttpServiceBase.java

License:Open Source License

private Future<Router> startEndpoints() {

    final Future<Router> startFuture = Future.future();
    final Router router = createRouter();
    if (router == null) {
        startFuture.fail("no router configured");
    } else {/*www .  jav a2 s  .co  m*/
        addEndpointRoutes(router);
        addCustomRoutes(router);
        @SuppressWarnings("rawtypes")
        List<Future> endpointFutures = new ArrayList<>(endpoints.size());
        for (HttpEndpoint ep : endpoints) {
            LOG.info("starting endpoint [name: {}, class: {}]", ep.getName(), ep.getClass().getName());
            Future<Void> endpointFuture = Future.future();
            endpointFutures.add(endpointFuture);
            ep.start(endpointFuture);
        }
        CompositeFuture.all(endpointFutures).setHandler(startup -> {
            if (startup.succeeded()) {
                startFuture.complete(router);
            } else {
                startFuture.fail(startup.cause());
            }
        });
    }
    return startFuture;
}

From source file:org.eclipse.hono.service.http.HttpServiceBase.java

License:Open Source License

private Future<Void> stopServer() {
    Future<Void> serverStopTracker = Future.future();
    if (server != null) {
        server.close(serverStopTracker.completer());
    } else {/*w  w  w .  jav  a  2  s.c  o  m*/
        serverStopTracker.complete();
    }
    return serverStopTracker;
}

From source file:org.eclipse.hono.service.http.HttpServiceBase.java

License:Open Source License

private Future<Void> stopInsecureServer() {
    Future<Void> insecureServerStopTracker = Future.future();
    if (insecureServer != null) {
        insecureServer.close(insecureServerStopTracker.completer());
    } else {//from  ww w. j  a va  2 s  .c  o  m
        insecureServerStopTracker.complete();
    }
    return insecureServerStopTracker;
}

From source file:org.eclipse.hono.service.registration.impl.FileBasedRegistrationService.java

License:Open Source License

@Override
protected void doStart(Future<Void> startFuture) {

    if (!running) {
        if (!isModificationEnabled) {
            log.info("modification of registered devices has been disabled");
        }/*from   w w w .  j a v a  2s.  c o m*/
        if (filename != null) {
            loadRegistrationData();
            if (saveToFile) {
                log.info("saving device identities to file every 3 seconds");
                vertx.setPeriodic(3000, saveIdentities -> {
                    saveToFile(Future.future());
                });
            } else {
                log.info("persistence is disabled, will not safe device identities to file");
            }
        }
    }
    running = true;
    startFuture.complete();
}

From source file:org.eclipse.hono.service.registration.impl.FileBasedRegistrationService.java

License:Open Source License

@Override
protected void doStop(Future<Void> stopFuture) {

    if (running) {
        Future<Void> stopTracker = Future.future();
        stopTracker.setHandler(stopAttempt -> {
            running = false;/*from www.java2s  . co m*/
            stopFuture.complete();
        });

        if (saveToFile) {
            saveToFile(stopTracker);
        } else {
            stopTracker.complete();
        }
    } else {
        stopFuture.complete();
    }
}

From source file:org.eclipse.hono.service.tenant.BaseTenantService.java

License:Open Source License

private Future<EventBusMessage> processGetByIdRequest(final EventBusMessage request, final String tenantId) {

    final Future<TenantResult<JsonObject>> getResult = Future.future();
    get(tenantId, getResult.completer());
    return getResult.map(tr -> {
        return request.getResponse(tr.getStatus()).setJsonPayload(tr.getPayload()).setTenant(tenantId)
                .setCacheDirective(tr.getCacheDirective());
    });/*from  w  w w  .j a  v a2  s  .c o m*/
}