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A lightweight alternative to Java 8 sequential Stream
/*
* Copyright 2016 Daniel Skogquist Åborg
*
* 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 org.d2ab.iterator.ints;
import java.util.NoSuchElementException;
public class LimitingIntIterator extends DelegatingUnaryIntIterator {
private final int limit;
private int count;
public LimitingIntIterator(IntIterator iterator, int limit) {
super(iterator);
this.limit = limit;
}
@Override
public int nextInt() {
if (!hasNext())
throw new NoSuchElementException();
int next = iterator.nextInt();
count++;
return next;
}
@Override
public boolean hasNext() {
return count < limit && iterator.hasNext();
}
}