/**
* 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 Arne Kepp / The Open Planning Project 2008
*/
package org.geowebcache.seed;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.geowebcache.GeoWebCacheException;
import org.geowebcache.filter.request.RequestFilter;
import org.geowebcache.layer.TileLayer;
import org.geowebcache.storage.StorageBroker;
import org.geowebcache.storage.TileRange;
class TruncateTask extends GWCTask {
private static Log log = LogFactory.getLog(TruncateTask.class);
private final TileRange tr;
private final TileLayer tl;
private final boolean doFilterUpdate;
private final StorageBroker storageBroker;
public TruncateTask(StorageBroker sb, TileRange tr, TileLayer tl, boolean doFilterUpdate) {
this.storageBroker = sb;
this.tr = tr;
this.tl = tl;
this.doFilterUpdate = doFilterUpdate;
super.parsedType = GWCTask.TYPE.TRUNCATE;
super.layerName = tl.getName();
}
@Override
protected void doActionInternal() throws GeoWebCacheException, InterruptedException {
super.state = GWCTask.STATE.RUNNING;
checkInterrupted();
try {
storageBroker.delete(tr);
} catch (Exception e) {
e.printStackTrace();
super.state = GWCTask.STATE.DEAD;
log.error("During truncate request: " + e.getMessage());
}
checkInterrupted();
if (doFilterUpdate) {
runFilterUpdates();
}
if (super.state != GWCTask.STATE.DEAD) {
super.state = GWCTask.STATE.DONE;
log.debug("Completed truncate request.");
}
}
/**
* Updates any request filters
*/
private void runFilterUpdates() {
// We will assume that all filters that can be updated should be updated
List<RequestFilter> reqFilters = tl.getRequestFilters();
if (reqFilters != null && !reqFilters.isEmpty()) {
Iterator<RequestFilter> iter = reqFilters.iterator();
while (iter.hasNext()) {
RequestFilter reqFilter = iter.next();
if (reqFilter.update(tl, tr.getGridSetId())) {
log.debug("Updated request filter " + reqFilter.getName());
} else {
log.debug("Request filter " + reqFilter.getName()
+ " returned false on update.");
}
}
}
}
@Override
protected void dispose() {
// do nothing
}
}