001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client;
019
020import java.util.List;
021import java.util.NavigableMap;
022import org.apache.hadoop.hbase.ExtendedCell;
023import org.apache.yetus.audience.InterfaceAudience;
024
025/**
026 * A helper class used to access the package private field in o.a.h.h.client package.
027 * <p>
028 * This is because we share some data structures between client and server and the data structures
029 * are marked as {@code InterfaceAudience.Public}, but we do not want to expose some of the fields
030 * to end user.
031 * <p>
032 * TODO: A better solution is to separate the data structures used in client and server.
033 */
034@InterfaceAudience.Private
035public class ClientInternalHelper {
036
037  public static void setMvccReadPoint(Scan scan, long mvccReadPoint) {
038    scan.setMvccReadPoint(mvccReadPoint);
039  }
040
041  public static long getMvccReadPoint(Scan scan) {
042    return scan.getMvccReadPoint();
043  }
044
045  public static ExtendedCell[] getExtendedRawCells(Result result) {
046    return result.rawExtendedCells();
047  }
048
049  public static NavigableMap<byte[], List<ExtendedCell>> getExtendedFamilyCellMap(Mutation m) {
050    return m.familyMap;
051  }
052
053  public static Result createResult(ExtendedCell[] cells) {
054    return Result.create(cells);
055  }
056
057  public static Result createResult(ExtendedCell[] cells, Boolean exists, boolean stale,
058    boolean mayHaveMoreCellsInRow) {
059    return Result.create(cells, exists, stale, mayHaveMoreCellsInRow);
060  }
061}