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.config;
  
  import com.google.inject.AbstractModule;
  import com.google.inject.Provides;
  import feast.serving.service.ServingServiceV2;
  import feast.serving.service.controller.HealthServiceController;
  import feast.serving.service.grpc.OnlineServingGrpcServiceV2;
  import io.grpc.Server;
  import io.grpc.ServerBuilder;
  import io.grpc.health.v1.HealthGrpc;
  import io.grpc.protobuf.services.ProtoReflectionService;
  import io.opentracing.contrib.grpc.TracingServerInterceptor;
  
  public class ServerModule extends AbstractModule {
  
    @Override
    protected void configure() {
      bind(OnlineServingGrpcServiceV2.class);
    }
  
    @Provides
    public Server provideGrpcServer(
        ApplicationProperties applicationProperties,
        OnlineServingGrpcServiceV2 onlineServingGrpcServiceV2,
        TracingServerInterceptor tracingServerInterceptor,
        HealthGrpc.HealthImplBase healthImplBase) {
      ServerBuilder<?> serverBuilder =
          ServerBuilder.forPort(applicationProperties.getGrpc().getServer().getPort());
      serverBuilder
          .addService(ProtoReflectionService.newInstance())
          .addService(tracingServerInterceptor.intercept(onlineServingGrpcServiceV2))
          .addService(healthImplBase);
  
      return serverBuilder.build();
    }
  
    @Provides
    public HealthGrpc.HealthImplBase healthService(ServingServiceV2 servingServiceV2) {
      return new HealthServiceController(servingServiceV2);
    }
  }
  