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 org.apache.hadoop.hbase.Cell;
021import org.apache.yetus.audience.InterfaceAudience;
022
023/**
024 * BlockWithScanInfo is wrapper class for HFileBlock with other attributes. These attributes are
025 * supposed to be much cheaper to be maintained in each caller thread than in HFileBlock itself.
026 */
027@InterfaceAudience.Private
028public class BlockWithScanInfo {
029  private final HFileBlock hFileBlock;
030  /**
031   * The first key in the next block following this one in the HFile.
032   * If this key is unknown, this is reference-equal with HConstants.NO_NEXT_INDEXED_KEY
033   */
034  private final Cell nextIndexedKey;
035
036  public BlockWithScanInfo(HFileBlock hFileBlock, Cell nextIndexedKey) {
037    this.hFileBlock = hFileBlock;
038    this.nextIndexedKey = nextIndexedKey;
039  }
040
041  public HFileBlock getHFileBlock() {
042    return hFileBlock;
043  }
044
045  public  Cell getNextIndexedKey() {
046    return nextIndexedKey;
047  }
048}