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package bjc.utils.funcutils;
import java.util.*;
/**
* An iterator backed by a queue.
*
* @author Ben Culkin
*
* @param <ElementType> The type of element
*/
public class QueueBackedIterator<ElementType>
implements Iterator<ElementType>
{
private final Queue<ElementType> backer;
/**
* Create a new queue-backed iterator.
*
* @param backer The queue which backs this iterator.
*/
public QueueBackedIterator(Queue<ElementType> backer)
{
this.backer = backer;
}
@Override
public boolean hasNext() {
return !backer.isEmpty();
}
@Override
public ElementType next() {
return backer.remove();
}
}
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