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.regionserver.compactions;
20
21 import java.util.ArrayList;
22 import java.util.Iterator;
23 import java.util.List;
24
25 import org.apache.hadoop.hbase.regionserver.StoreFile;
26
27 class SpikyFileListGenerator extends StoreFileListGenerator {
28
29 SpikyFileListGenerator() {
30 super(SpikyFileListGenerator.class);
31 }
32
33 @Override
34 public Iterator<List<StoreFile>> iterator() {
35 return new Iterator<List<StoreFile>>() {
36 private int count = 0;
37
38 @Override
39 public boolean hasNext() {
40 return count < (MAX_FILE_GEN_ITERS);
41 }
42
43 @Override
44 public List<StoreFile> next() {
45 count += 1;
46 ArrayList<StoreFile> files = new ArrayList<StoreFile>(NUM_FILES_GEN);
47 for (int x = 0; x < NUM_FILES_GEN; x++) {
48 int fileSize = random.nextInt(5) + 1;
49 if ( x % 10 == 0) {
50 fileSize = random.nextInt(5) + 50;
51 }
52 files.add(createMockStoreFile(fileSize));
53 }
54 return files;
55 }
56
57 @Override
58 public void remove() {
59 }
60 };
61 }
62 }