/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* 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.geotools.data.directory;
/**
* Implementors will provide a service that checks if directory contents are
* changed since last refresh.
*
* @author Andrea Aime
*
*/
interface DirectoryWatcher {
/**
* Reports if the directory last modified has changed since {@link #mark()}
* was last called
*/
public boolean isStale();
/**
* Marks the time the directory has been last checked at
*/
public void mark();
}