nl.topicus.jdbc.shaded.com.google.api.gax.grpc.testing.FakeServiceImpl Maven / Gradle / Ivy
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package nl.topicus.jdbc.shaded.com.google.api.gax.grpc.testing;
import nl.topicus.jdbc.shaded.com.google.api.core.BetaApi;
import nl.topicus.jdbc.shaded.com.google.api.gax.grpc.testing.FakeServiceGrpc.FakeServiceImplBase;
import nl.topicus.jdbc.shaded.com.google.type.Color;
import nl.topicus.jdbc.shaded.com.google.type.Money;
import nl.topicus.jdbc.shaded.io.grpc.Status;
import nl.topicus.jdbc.shaded.io.grpc.StatusRuntimeException;
import nl.topicus.jdbc.shaded.io.grpc.stub.StreamObserver;
@BetaApi
public class FakeServiceImpl extends FakeServiceImplBase {
private Throwable receivedError;
public Throwable getLastRecievedError() {
return receivedError;
}
@Override
public StreamObserver streamingRecognize(StreamObserver responseObserver) {
return new RequestStreamObserver(responseObserver);
}
public StreamObserver streamingRecognizeError(
final StreamObserver responseObserver) {
return new StreamObserver() {
@Override
public void onNext(Color color) {
responseObserver.onError(new StatusRuntimeException(Status.INVALID_ARGUMENT));
}
@Override
public void onError(Throwable throwable) {
receivedError = throwable;
}
@Override
public void onCompleted() {}
};
}
@Override
public void serverStreamingRecognize(
final Color color, final StreamObserver responseObserver) {
if (color.getRed() < 0) {
responseObserver.onError(
Status.INVALID_ARGUMENT.withDescription("red must be positive").asRuntimeException());
return;
}
// Defer the execution using the green channel. This is necessary when testing cancellation,
// because the InProcessServer uses a direct executor and will buffer the results ignoring
// cancellation
Runnable runnable =
new Runnable() {
@Override
public void run() {
try {
Thread.sleep((long) color.getGreen());
} catch (InterruptedException e) {
Thread.interrupted();
return;
}
responseObserver.onNext(convert(color));
responseObserver.onCompleted();
}
};
if (color.getGreen() > 0) {
new Thread(runnable).start();
} else {
runnable.run();
}
}
public StreamObserver clientStreamingRecognize(StreamObserver responseObserver) {
return new RequestStreamObserver(responseObserver);
}
private static Money convert(Color color) {
Money result =
Money.newBuilder().setCurrencyCode("USD").setUnits((long) (color.getRed() * 255)).build();
return result;
}
private static class RequestStreamObserver implements StreamObserver {
private StreamObserver responseObserver;
public RequestStreamObserver(StreamObserver responseObserver) {
this.responseObserver = responseObserver;
}
@Override
public void onNext(Color color) {
responseObserver.onNext(convert(color));
}
@Override
public void onError(Throwable throwable) {
throwable.printStackTrace(System.err);
}
@Override
public void onCompleted() {
responseObserver.onCompleted();
}
};
}