/** * Copyright (c) 2009 - 2012 Red Hat, Inc. * * This software is licensed to you under the GNU General Public License, * version 2 (GPLv2). There is NO WARRANTY for this software, express or * implied, including the implied warranties of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 * along with this software; if not, see * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * Red Hat trademarks are not licensed under GPLv2. No permission is * granted to use or replicate Red Hat trademarks that are incorporated * in this software or its documentation. */ package org.candlepin.model; import java.io.Closeable; import java.util.Iterator; /** * The ResultIterator provides iteration on each row of a ResultSet or ScrollableResults object. * * ResultIterators should be closed after iteration to close the backing resources. Omitting this * step may leave database connections open longer than necessary. * * @param <T> * The element type to be returned by this iterators's next method */ public interface ResultIterator<T> extends Closeable, Iterator<T> { boolean hasNext(); T next(); void remove(); /** * Closes this ResultIterator and frees it's backing database resources. */ void close(); }