content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.master.file;
  
  import alluxio.RpcUtils;
  import alluxio.grpc.FileSystemMasterJobServiceGrpc;
  import alluxio.grpc.GetFileInfoPOptions;
  import alluxio.grpc.GetFileInfoPRequest;
  import alluxio.grpc.GetFileInfoPResponse;
  import alluxio.grpc.GetUfsInfoPOptions;
  import alluxio.grpc.GetUfsInfoPRequest;
  import alluxio.grpc.GetUfsInfoPResponse;
  import alluxio.grpc.GrpcUtils;
  
  import com.google.common.base.Preconditions;
  import io.grpc.stub.StreamObserver;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * This class is a gRPC handler for file system master RPCs invoked by Alluxio job service.
   */
  public final class FileSystemMasterJobServiceHandler
      extends FileSystemMasterJobServiceGrpc.FileSystemMasterJobServiceImplBase {
    private static final Logger LOG =
        LoggerFactory.getLogger(FileSystemMasterJobServiceHandler.class);
  
    private final FileSystemMaster mFileSystemMaster;
  
    /**
     * Creates a new instance of {@link FileSystemMasterJobServiceHandler}.
     *
     * @param fileSystemMaster the {@link FileSystemMaster} the handler uses internally
     */
    public FileSystemMasterJobServiceHandler(FileSystemMaster fileSystemMaster) {
      Preconditions.checkNotNull(fileSystemMaster);
      mFileSystemMaster = fileSystemMaster;
    }
  
    @Override
    public void getFileInfo(GetFileInfoPRequest request,
        StreamObserver<GetFileInfoPResponse> responseObserver) {
  
      final long fileId = request.getFileId();
      GetFileInfoPOptions options = request.getOptions();
  
      RpcUtils.call(LOG,
              () -> GetFileInfoPResponse
                  .newBuilder().setFileInfo(GrpcUtils.toProto(mFileSystemMaster.getFileInfo(fileId)))
                  .build(),
          "getFileInfo", "fileId=%s, options=%s", responseObserver, fileId, options);
    }
  
    @Override
    public void getUfsInfo(GetUfsInfoPRequest request,
        StreamObserver<GetUfsInfoPResponse> responseObserver) {
  
      final long mountId = request.getMountId();
      GetUfsInfoPOptions options = request.getOptions();
  
      RpcUtils.call(LOG,
              () -> GetUfsInfoPResponse
                  .newBuilder().setUfsInfo(GrpcUtils.toProto(mFileSystemMaster.getUfsInfo(mountId)))
                  .build(),
          "getUfsInfo", "mountId=%s, options=%s", responseObserver, mountId, options);
    }
  }
  