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package bjc.utils.data;
import java.util.Iterator;
/**
* An iterator that will only ever yield one item.
*
* @author EVE
*
* @param <T>
* The type of the item.
*/
public class SingleIterator<T> implements Iterator<T> {
/* The item being held. */
private final T itm;
/* Whether we've yielded the item yet. */
private boolean yielded;
/**
* Create a iterator that yields a single item.
*
* @param item
* The item to yield.
*/
public SingleIterator(final T item) {
itm = item;
yielded = false;
}
@Override
public boolean hasNext() {
return !yielded;
}
@Override
public T next() {
yielded = true;
return itm;
}
}
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