/android/export-contacts

/*

 * Backend.java

 *

 * Copyright (C) 2011 Tim Marston <tim@ed.am>

 *

 * This file is part of the Export Contacts program (hereafter referred

 * to as "this program").  For more information, see

 * http://ed.am/dev/android/export-contacts

 *

 * 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, either version 3 of the License, or

 * (at your option) any later version.

 *

 * 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, see <http://www.gnu.org/licenses/>.

 */

package am.ed.exportcontacts;

public interface Backend

{

	/**

	 * Return the number of contacts that exist and that will be exported.

	 *

	 * @return number of existing contacts

	 */

	public int getNumContacts();

	/**

	 * Return the next contact.

	 *

	 * @return a ContactData

	 */

	public boolean getNextContact( Exporter.ContactData contact );

}