/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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.
**********************************************************************************************************************/
package eu.stratosphere.pact.runtime.hash.util;
import java.util.Iterator;
import java.util.Random;
/**
* Gives a number of random integer values
*
*
*/
public class RandomIterator implements Iterator<Integer> {
private final Random randomGenerator;
private final int count;
private int currentCount;
/**
* Creates an iterator which gives random integer numbers
*
* @param seed
* Seed for random generator
* @param count
* Number of values to be returned
*/
public RandomIterator(long seed, int count) {
this.randomGenerator = new Random(seed);
this.count = count;
this.currentCount = 0;
}
@Override
public boolean hasNext() {
return (currentCount < count);
}
@Override
public Integer next() {
currentCount++;
return randomGenerator.nextInt();
}
@Override
public void remove() {
}
}