/*
* Copyright (c) 2010 Yahoo! Inc. All rights reserved.
*
* Licensed 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. See accompanying LICENSE file.
*/
package voldemort.performance.benchmark.generator;
public class SkewedLatestGenerator extends IntegerGenerator {
private CounterGenerator basis;
private ZipfianGenerator zipfian;
public SkewedLatestGenerator(CounterGenerator basis) {
this.basis = basis;
this.zipfian = new ZipfianGenerator(basis.lastInt());
nextInt();
}
@Override
public int nextInt() {
int max = basis.lastInt();
int nextint = max - zipfian.nextInt(max);
setLastInt(nextint);
return nextint;
}
}