code: /*
   * SPDX-License-Identifier: Apache-2.0
   * Copyright 2018-2021 The Feast Authors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     https://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package feast.serving.service.grpc;
  
  import feast.proto.serving.ServingAPIProto;
  import feast.proto.serving.ServingServiceGrpc;
  import feast.serving.service.ServingServiceV2;
  import io.grpc.Status;
  import io.grpc.stub.StreamObserver;
  import javax.inject.Inject;
  import org.slf4j.Logger;
  
  public class OnlineServingGrpcServiceV2 extends ServingServiceGrpc.ServingServiceImplBase {
    private final ServingServiceV2 servingServiceV2;
    private static final Logger log =
        org.slf4j.LoggerFactory.getLogger(OnlineServingGrpcServiceV2.class);
  
    @Inject
    OnlineServingGrpcServiceV2(ServingServiceV2 servingServiceV2) {
      this.servingServiceV2 = servingServiceV2;
    }
  
    @Override
    public void getFeastServingInfo(
        ServingAPIProto.GetFeastServingInfoRequest request,
        StreamObserver<ServingAPIProto.GetFeastServingInfoResponse> responseObserver) {
      try {
        responseObserver.onNext(this.servingServiceV2.getFeastServingInfo(request));
        responseObserver.onCompleted();
      } catch (RuntimeException e) {
        log.warn("Failed to get Serving Info", e);
        responseObserver.onError(
            Status.INTERNAL.withDescription(e.getMessage()).withCause(e).asRuntimeException());
      }
    }
  
    @Override
    public void getOnlineFeatures(
        ServingAPIProto.GetOnlineFeaturesRequest request,
        StreamObserver<ServingAPIProto.GetOnlineFeaturesResponse> responseObserver) {
      try {
        responseObserver.onNext(this.servingServiceV2.getOnlineFeatures(request));
        responseObserver.onCompleted();
      } catch (RuntimeException e) {
        log.warn("Failed to get Online Features", e);
        responseObserver.onError(
            Status.INTERNAL.withDescription(e.getMessage()).withCause(e).asRuntimeException());
      }
    }
  }
  