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Stream API from Java 8 rewritten on iterators for Java 7 and below

There is a newer version: 1.2.2

package com.annimon.stream.operator;

import com.annimon.stream.function.LongPredicate;
import com.annimon.stream.iterator.PrimitiveExtIterator;
import com.annimon.stream.iterator.PrimitiveIterator;

public class LongTakeUntil extends PrimitiveExtIterator.OfLong {

    private final PrimitiveIterator.OfLong iterator;
    private final LongPredicate stopPredicate;

    public LongTakeUntil(PrimitiveIterator.OfLong iterator, LongPredicate stopPredicate) {
        this.iterator = iterator;
        this.stopPredicate = stopPredicate;
    }

    @Override
    protected void nextIteration() {
        hasNext = iterator.hasNext() && !(isInit && stopPredicate.test(next));
        if (hasNext) {
            next = iterator.next();
        }
    }
}