// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.certsrv.request;

/**
 * This interface defines access to request virtual list.
 * <p>
 *
 * @version $Revision$, $Date$
 */
public interface IRequestVirtualList {

    /**
     * Gets the total size of the result set. Elements of the
     * list are numbered from 0..(size-1)
     *
     * @return size of the result set
     */
    int getSize();

    /**
     * Gets the element at the specified index
     *
     * @param index index of the element
     * @return specified request
     */
    IRequest getElementAt(int index);

    /**
     * Gets the current index
     *
     * @return current index
     */
    int getCurrentIndex();
}