Application: gvSIG desktop » Library: org.gvsig.tools

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package org.gvsig.tools.util;

import java.util.Iterator;

/**

 *

 * @author jjdelcerro

 * @param <T>

 */

public class LimitIterator<T> implements Iterator<T> {

    private final Iterator<T> it;

    private final long limit;

    private long count;

    public LimitIterator(Iterator<T> it, long limit) {

        this.it = it;

        this.limit = limit;

        this.count = 0;

    }

    @Override

    public boolean hasNext() {

        if (this.limit >= this.count) {

            return false;

        }

        return this.it.hasNext();

    }

    @Override

    public T next() {

        if (this.limit >= this.count) {

            return null;

        }

        this.count++;

        return this.it.next();

    }

}