/*
* Geotoolkit An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2009, Geomatys
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*/
package org.geotoolkit.data.shapefile;
import org.apache.sis.storage.DataStoreException;
/**
* Generator of Feature id for datastores.
*
* @author Johann Sorel (Geomatys)
* @module
*/
public interface FeatureIDReader {
/**
* Returns whether another fid exists for this reader.
*
* @return <code>true</code> if more content exists
*/
String next() throws DataStoreException;
/**
* Returns whether another fid exists for this reader.
*
* @return <code>true</code> if more content exists
*/
boolean hasNext() throws DataStoreException;
/**
* Release any resources associated with this reader
*/
void close() throws DataStoreException;
}