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
19 package org.apache.hadoop.hbase.util.byterange.impl;
20
21 import java.util.List;
22 import java.util.TreeMap;
23
24 import org.apache.hadoop.hbase.classification.InterfaceAudience;
25 import org.apache.hadoop.hbase.util.ByteRange;
26 import org.apache.hadoop.hbase.util.CollectionUtils;
27 import org.apache.hadoop.hbase.util.IterableUtils;
28 import org.apache.hadoop.hbase.util.byterange.ByteRangeSet;
29
30 /**
31 * Not currently used in production, but here as a benchmark comparison against ByteRangeHashSet.
32 */
33 @InterfaceAudience.Private
34 public class ByteRangeTreeSet extends ByteRangeSet {
35
36 /************************ constructors *****************************/
37
38 public ByteRangeTreeSet() {
39 this.uniqueIndexByUniqueRange = new TreeMap<ByteRange, Integer>();
40 }
41
42 public ByteRangeTreeSet(List<ByteRange> rawByteArrays) {
43 this();//needed to initialize the TreeSet
44 for(ByteRange in : IterableUtils.nullSafe(rawByteArrays)){
45 add(in);
46 }
47 }
48
49 @Override
50 public void addToSortedRanges() {
51 sortedRanges.addAll(CollectionUtils.nullSafe(uniqueIndexByUniqueRange.keySet()));
52 }
53
54 }