1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.apache.hadoop.hbase.io.hfile;
19
20 /**
21 * BlockWithScanInfo is wrapper class for HFileBlock with other attributes. These attributes are
22 * supposed to be much cheaper to be maintained in each caller thread than in HFileBlock itself.
23 */
24 public class BlockWithScanInfo {
25 private final HFileBlock hFileBlock;
26 /**
27 * The first key in the next block following this one in the HFile.
28 * If this key is unknown, this is reference-equal with HConstants.NO_NEXT_INDEXED_KEY
29 */
30 private final byte[] nextIndexedKey;
31
32 public BlockWithScanInfo(HFileBlock hFileBlock, byte[] nextIndexedKey) {
33 this.hFileBlock = hFileBlock;
34 this.nextIndexedKey = nextIndexedKey;
35 }
36
37 public HFileBlock getHFileBlock() {
38 return hFileBlock;
39 }
40
41 public byte[] getNextIndexedKey() {
42 return nextIndexedKey;
43 }
44 }