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.io.hfile;
019
020import java.io.IOException;
021import java.util.List;
022import org.apache.yetus.audience.InterfaceAudience;
023
024@InterfaceAudience.Private
025public interface BlockIndexChunk {
026
027  List<byte[]> getBlockKeys();
028
029  List<Integer> getSecondaryIndexOffsetMarks();
030
031  int getEntryBySubEntry(long k);
032
033  void add(byte[] firstKey, long blockOffset, int onDiskDataSize);
034
035  void add(byte[] firstKey, long blockOffset, int onDiskDataSize, long curTotalNumSubEntries);
036
037  int getRootSize();
038
039  int getCurTotalNonRootEntrySize();
040
041  int getNonRootSize();
042
043  int getNumEntries();
044
045  byte[] getBlockKey(int i);
046
047  long getBlockOffset(int i);
048
049  int getOnDiskDataSize(int i);
050
051  byte[] getMidKeyMetadata() throws IOException;
052
053  void clear();
054}