Examples with MethodType io.grpc.MethodDescriptor.MethodType used on opensource projects

Example 1 with MethodType

use of io.grpc.MethodDescriptor.MethodType in project motan by weibocom.

the class GrpcClient method request.

@SuppressWarnings({ "unchecked", "rawtypes" })
public <ReqT, RespT> Response request(final Request request) {
    MethodDescriptor<ReqT, RespT> methodDesc = methodDescMap.get(request.getMethodName());
    if (methodDesc == null) {
        throw new MotanServiceException("request method grpc descriptornot found.method:" + request.getMethodName());
    }
    int timeout = url.getMethodParameter(request.getMethodName(), request.getParamtersDesc(), URLParamType.requestTimeout.getName(), URLParamType.requestTimeout.getIntValue());
    if (timeout < 0) {
        throw new MotanServiceException("request timeout invalid.method timeout:" + timeout);
    }
    ClientCall<ReqT, RespT> call = new SimpleForwardingClientCall(channel.newCall(methodDesc, callOption.withDeadlineAfter(timeout, TimeUnit.MILLISECONDS))) {

        public void start(Listener responseListener, Metadata headers) {
            Map<String, String> attachments = request.getAttachments();
            if (attachments != null && !attachments.isEmpty()) {
                for (Entry<String, String> entry : attachments.entrySet()) {
                    headers.put(Metadata.Key.of(entry.getKey(), Metadata.ASCII_STRING_MARSHALLER), entry.getValue());
                }
            }
            super.start(responseListener, headers);
        }
    };
    GrpcResponseFuture<RespT> responseFuture = new GrpcResponseFuture<RespT>(request, timeout, url, call);
    MethodType methodType = methodDesc.getType();
    switch(methodType) {
        case UNARY:
            ClientCalls.asyncUnaryCall(call, (ReqT) request.getArguments()[0], responseFuture);
            break;
        case SERVER_STREAMING:
            ClientCalls.asyncServerStreamingCall(call, (ReqT) request.getArguments()[0], (io.grpc.stub.StreamObserver<RespT>) request.getArguments()[1]);
            responseFuture.onCompleted();
            break;
        case CLIENT_STREAMING:
            StreamObserver<ReqT> clientObserver = ClientCalls.asyncClientStreamingCall(call, (io.grpc.stub.StreamObserver<RespT>) request.getArguments()[0]);
            responseFuture.onNext(clientObserver);
            responseFuture.onCompleted();
            break;
        case BIDI_STREAMING:
            StreamObserver<ReqT> biObserver = ClientCalls.asyncBidiStreamingCall(call, (io.grpc.stub.StreamObserver<RespT>) request.getArguments()[0]);
            responseFuture.onNext(biObserver);
            responseFuture.onCompleted();
            break;
        default:
            throw new MotanServiceException("unknown grpc method type:" + methodType);
    }
    return responseFuture;
}