TruncateOrphansRequest.java

/**
 * This program 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, 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 Lesser General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * @author Kevin Smith, Boundless, 2017
 */

package org.geowebcache.seed;

import org.geowebcache.GeoWebCacheException;
import org.geowebcache.layer.TileLayer;
import org.geowebcache.storage.StorageBroker;
import org.geowebcache.storage.StorageException;

import com.thoughtworks.xstream.annotations.XStreamAlias;

/**
 * Truncate atiles from a cache where we know they are no longer reachable, or we can't know that 
 * due to missing metadata.
 * @author smithkm
 *
 */
@XStreamAlias("truncateOrphans")
public class TruncateOrphansRequest implements MassTruncateRequest {
    String layerName;
    
    @Override
    public boolean doTruncate(StorageBroker sb, TileBreeder breeder) throws GeoWebCacheException, StorageException {
        final TileLayer layer = breeder.findTileLayer(layerName);
        return sb.purgeOrphans(layer);
    }

}