/*******************************************************************************
* Copyright (c) MOBAC developers
*
* 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 2 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 mobac.program.interfaces;
import java.util.Enumeration;
import mobac.program.JobDispatcher.Job;
import mobac.utilities.tar.TarIndexedArchive;
/**
* Classes that implement this interface identify themselves as responsible for
* specifying what tiles should be downloaded.
*
* In general this interface should be implemented in combination with
* {@link MapInterface}, {@link LayerInterface} or {@link AtlasInterface}.
*
*/
public interface DownloadableElement {
/**
*
* @param tileArchive
* @param listener
* @return An enumeration that returns {@link Job} objects. Each job should
* download one map tile from the providing web server (or from the
* tile cache).
*/
public Enumeration<Job> getDownloadJobs(TarIndexedArchive tileArchive,
DownloadJobListener listener);
}