/**
* 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 com.couchbase.loadgen.generator;
/**
* Generates a sequence of integers 0, 1, ...
*/
public class CounterGenerator extends IntegerGenerator {
int counter;
/**
* Create a counter that starts at countstart
*/
public CounterGenerator(int countstart) {
counter = countstart;
setLastInt(countstart - 1);
}
/**
* If the generator returns numeric (integer) values, return the next value
* as an int. Default is to return -1, which is appropriate for generators
* that do not return numeric values.
*/
public synchronized int nextInt() {
int lastint = counter;
counter++;
setLastInt(lastint);
return lastint;
}
}