Examples with Feature io.grpc.examples.routeguide.Feature used on opensource projects

Example 6 with Feature

use of io.grpc.examples.routeguide.Feature in project vertx-examples by vert-x3.

the class Client method listFeatures.

/**
 * Blocking server-streaming example. Calls listFeatures with a rectangle of interest. Prints each
 * response feature as it arrives.
 */
public void listFeatures(int lowLat, int lowLon, int hiLat, int hiLon) {
    System.out.println("*** ListFeatures: lowLat=" + lowLat + " lowLon=" + lowLon + " hiLat=" + hiLat + " hiLon=" + hiLon);
    Rectangle request = Rectangle.newBuilder().setLo(Point.newBuilder().setLatitude(lowLat).setLongitude(lowLon).build()).setHi(Point.newBuilder().setLatitude(hiLat).setLongitude(hiLon).build()).build();
    stub.listFeatures(request, response -> {
        List<Feature> features = new ArrayList<>();
        response.handler(feature -> {
            System.out.println("Result #" + features.size() + ": " + feature);
            features.add(feature);
        });
        // Neede for now as it triggers an NPE if not set
        response.endHandler(v -> {
        /*
Feb 14, 2017 11:08:53 PM io.grpc.internal.SerializingExecutor$TaskRunner run
SEVERE: Exception while executing runnable io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed@6668e779
java.lang.NullPointerException
	at io.vertx.grpc.impl.GrpcReadStreamImpl$1.onCompleted(GrpcReadStreamImpl.java:69)
	at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:390)
	at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:422)
	*/
        });
    });
}