Examples with Point com.hry.spring.grpc.stream.Point used on opensource projects

Example 11 with Point

use of com.hry.spring.grpc.stream.Point in project spring_boot by hryou0922.

the class RouteGuideClient method recordRoute.

/**
 * Async client-streaming example. Sends {@code numPoints} randomly chosen points from {@code
 * features} with a variable delay in between. Prints the statistics when they are sent from the
 * server.
 */
public void recordRoute(List<Feature> features, int numPoints) throws InterruptedException {
    info("*** RecordRoute");
    final CountDownLatch finishLatch = new CountDownLatch(1);
    StreamObserver<RouteSummary> responseObserver = new StreamObserver<RouteSummary>() {

        @Override
        public void onNext(RouteSummary summary) {
            info("Finished trip with {0} points. Passed {1} features. " + "Travelled {2} meters. It took {3} seconds.", summary.getPointCount(), summary.getFeatureCount(), summary.getDistance(), summary.getElapsedTime());
            if (testHelper != null) {
                testHelper.onMessage(summary);
            }
        }

        @Override
        public void onError(Throwable t) {
            warning("RecordRoute Failed: {0}", Status.fromThrowable(t));
            if (testHelper != null) {
                testHelper.onRpcError(t);
            }
            finishLatch.countDown();
        }

        @Override
        public void onCompleted() {
            info("Finished RecordRoute");
            finishLatch.countDown();
        }
    };
    StreamObserver<Point> requestObserver = asyncStub.recordRoute(responseObserver);
    try {
        // Send numPoints points randomly selected from the features list.
        for (int i = 0; i < numPoints; ++i) {
            int index = random.nextInt(features.size());
            Point point = features.get(index).getLocation();
            info("Visiting point {0}, {1}", RouteGuideUtil.getLatitude(point), RouteGuideUtil.getLongitude(point));
            requestObserver.onNext(point);
            // Sleep for a bit before sending the next one.
            Thread.sleep(random.nextInt(1000) + 500);
            if (finishLatch.getCount() == 0) {
                // Sending further requests won't error, but they will just be thrown away.
                return;
            }
        }
    } catch (RuntimeException e) {
        // Cancel RPC
        requestObserver.onError(e);
        throw e;
    }
    // Mark the end of requests
    requestObserver.onCompleted();
    // Receiving happens asynchronously
    if (!finishLatch.await(1, TimeUnit.MINUTES)) {
        warning("recordRoute can not finish within 1 minutes");
    }
}