/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.regionserver.compactions;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.hadoop.hbase.regionserver.StoreFile;
/**
* Class to generate several lists of StoreFiles that are all the same size.
*/
class ConstantSizeFileListGenerator extends StoreFileListGenerator {
/** How many mb's mock storefiles should be. */
private static final int FILESIZE = 5;
ConstantSizeFileListGenerator() {
super(ConstantSizeFileListGenerator.class);
}
@Override
public final Iterator<List<StoreFile>> iterator() {
return new Iterator<List<StoreFile>>() {
private int count = 0;
@Override
public boolean hasNext() {
return count < MAX_FILE_GEN_ITERS;
}
@Override
public List<StoreFile> next() {
count += 1;
ArrayList<StoreFile> files = new ArrayList<>(NUM_FILES_GEN);
for (int i = 0; i < NUM_FILES_GEN; i++) {
files.add(createMockStoreFile(FILESIZE));
}
return files;
}
@Override
public void remove() {
}
};
}
}