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.regionserver.compactions;
019
020import java.util.ArrayList;
021import java.util.Iterator;
022import java.util.List;
023
024import org.apache.hadoop.hbase.regionserver.HStoreFile;
025
026class SpikyFileListGenerator extends StoreFileListGenerator {
027
028  SpikyFileListGenerator() {
029    super(SpikyFileListGenerator.class);
030  }
031
032  @Override
033  public Iterator<List<HStoreFile>> iterator() {
034    return new Iterator<List<HStoreFile>>() {
035      private int count = 0;
036
037      @Override
038      public boolean hasNext() {
039        return count < (MAX_FILE_GEN_ITERS);
040      }
041
042      @Override
043      public List<HStoreFile> next() {
044        count += 1;
045        ArrayList<HStoreFile> files = new ArrayList<>(NUM_FILES_GEN);
046        for (int x = 0; x < NUM_FILES_GEN; x++) {
047          int fileSize = random.nextInt(5) + 1;
048          if ( x % 10 == 0) {
049            fileSize = random.nextInt(5) + 50;
050          }
051          files.add(createMockStoreFile(fileSize));
052        }
053        return files;
054      }
055
056      @Override
057      public void remove() {
058      }
059    };
060  }
061}