content: /*
   * 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
   *
   *     http://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 org.apache.bookkeeper.stream.server.service;
  
  import java.io.IOException;
  import org.apache.bookkeeper.common.component.AbstractLifecycleComponent;
  import org.apache.bookkeeper.stats.StatsLogger;
  import org.apache.bookkeeper.stream.server.conf.StorageServerConfiguration;
  import org.apache.bookkeeper.stream.server.grpc.GrpcServer;
  import org.apache.bookkeeper.stream.server.grpc.GrpcServerSpec;
  
  /**
   * Service to run {@link GrpcServer}.
   */
  public class GrpcService extends AbstractLifecycleComponent<StorageServerConfiguration> {
  
      private final GrpcServerSpec spec;
      private GrpcServer server;
  
      public GrpcService(StorageServerConfiguration conf,
                         GrpcServerSpec spec,
                         StatsLogger statsLogger) {
          super("grpc-service", conf, statsLogger);
          this.spec = spec;
      }
  
      @Override
      protected void doStart() {
          this.server = GrpcServer.build(spec);
          this.server.start();
      }
  
      @Override
      protected void doStop() {
          if (null != server) {
              this.server.stop();
          }
      }
  
      @Override
      protected void doClose() throws IOException {
          if (null != server) {
              this.server.close();
          }
      }
  }
  