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.ExtendedCell; 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. If this key is unknown, this 032 * is reference-equal with HConstants.NO_NEXT_INDEXED_KEY 033 */ 034 private final ExtendedCell nextIndexedKey; 035 036 public BlockWithScanInfo(HFileBlock hFileBlock, ExtendedCell nextIndexedKey) { 037 this.hFileBlock = hFileBlock; 038 this.nextIndexedKey = nextIndexedKey; 039 } 040 041 public HFileBlock getHFileBlock() { 042 return hFileBlock; 043 } 044 045 public ExtendedCell getNextIndexedKey() { 046 return nextIndexedKey; 047 } 048}