package org.basex.query.iter;
import org.basex.query.item.ANode;
import org.basex.query.item.Empty;
import org.basex.query.item.Item;
import org.basex.query.item.Value;
/**
* Iterator interface, extending the default iterator with a {@link #more}
* method.
*
* @author BaseX Team 2005-12, BSD License
* @author Christian Gruen
*/
public abstract class AxisMoreIter extends AxisIter {
/** Empty iterator. */
public static final AxisMoreIter EMPTY = new AxisMoreIter() {
@Override public boolean more() { return false; }
@Override public ANode next() { return null; }
@Override public Item get(final long i) { return null; }
@Override public long size() { return 0; }
@Override public boolean reset() { return true; }
@Override public Value value() { return Empty.SEQ; }
};
/**
* Checks if more nodes are found.
* @return temporary node
*/
public abstract boolean more();
}