import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshotDiffReportEntryProto; //导入依赖的package包/类
public static SnapshotDiffReportEntryProto convert(DiffReportEntry entry) {
  if (entry == null) {
    return null;
  }
  ByteString sourcePath = ByteString
      .copyFrom(entry.getSourcePath() == null ? DFSUtil.EMPTY_BYTES : entry
          .getSourcePath());
  String modification = entry.getType().getLabel();
  SnapshotDiffReportEntryProto.Builder builder = SnapshotDiffReportEntryProto
      .newBuilder().setFullpath(sourcePath)
      .setModificationLabel(modification);
  if (entry.getType() == DiffType.RENAME) {
    ByteString targetPath = ByteString
        .copyFrom(entry.getTargetPath() == null ? DFSUtil.EMPTY_BYTES : entry
            .getTargetPath());
    builder.setTargetPath(targetPath);
  }
  return builder.build();
}
 

import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshotDiffReportEntryProto; //导入依赖的package包/类
public static SnapshotDiffReport convert(
    SnapshotDiffReportProto reportProto) {
  if (reportProto == null) {
    return null;
  }
  String snapshotDir = reportProto.getSnapshotRoot();
  String fromSnapshot = reportProto.getFromSnapshot();
  String toSnapshot = reportProto.getToSnapshot();
  List<SnapshotDiffReportEntryProto> list = reportProto
      .getDiffReportEntriesList();
  List<DiffReportEntry> entries = new ArrayList<>();
  for (SnapshotDiffReportEntryProto entryProto : list) {
    DiffReportEntry entry = convert(entryProto);
    if (entry != null)
      entries.add(entry);
  }
  return new SnapshotDiffReport(snapshotDir, fromSnapshot, toSnapshot,
      entries);
}
 

import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.SnapshotDiffReportEntryProto; //导入依赖的package包/类
public static SnapshotDiffReport convert(SnapshotDiffReportProto reportProto) {
  if (reportProto == null) {
    return null;
  }
  String snapshotDir = reportProto.getSnapshotRoot();
  String fromSnapshot = reportProto.getFromSnapshot();
  String toSnapshot = reportProto.getToSnapshot();
  List<SnapshotDiffReportEntryProto> list = reportProto
      .getDiffReportEntriesList();
  List<DiffReportEntry> entries = new ArrayList<DiffReportEntry>();
  for (SnapshotDiffReportEntryProto entryProto : list) {
    DiffReportEntry entry = convert(entryProto);
    if (entry != null)
      entries.add(entry);
  }
  return new SnapshotDiffReport(snapshotDir, fromSnapshot, toSnapshot,
      entries);
}