/**
* This file is part of Graylog2.
*
* Graylog2 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 3 of the License, or
* (at your option) any later version.
*
* Graylog2 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 Graylog2. If not, see <http://www.gnu.org/licenses/>.
*/
package org.graylog2.indexer.ranges;
import com.google.common.collect.Lists;
import com.mongodb.BasicDBObject;
import com.mongodb.DBObject;
import org.bson.types.ObjectId;
import org.graylog2.database.MongoConnection;
import org.graylog2.database.NotFoundException;
import org.graylog2.database.PersistedServiceImpl;
import org.graylog2.system.activities.Activity;
import org.graylog2.system.activities.ActivityWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
public class IndexRangeServiceImpl extends PersistedServiceImpl implements IndexRangeService {
private static final Logger LOG = LoggerFactory.getLogger(IndexRangeServiceImpl.class);
private final ActivityWriter activityWriter;
@Inject
public IndexRangeServiceImpl(MongoConnection mongoConnection, ActivityWriter activityWriter) {
super(mongoConnection);
this.activityWriter = activityWriter;
}
@Override
public IndexRange get(String index) throws NotFoundException {
DBObject dbo = findOne(IndexRangeImpl.class, new BasicDBObject("index", index));
if (dbo == null)
throw new NotFoundException("Index " + index + " not found.");
return new IndexRangeImpl((ObjectId) dbo.get("_id"), dbo.toMap());
}
@Override
public List<IndexRange> getFrom(int timestamp) {
List<IndexRange> ranges = Lists.newArrayList();
BasicDBObject query = new BasicDBObject();
query.put("start", new BasicDBObject("$gte", timestamp));
for (DBObject dbo : query(IndexRangeImpl.class, query)) {
ranges.add(new IndexRangeImpl((ObjectId) dbo.get("_id"), dbo.toMap()));
}
Collections.sort(ranges, new Comparator<IndexRange>() {
@Override
public int compare(IndexRange o1, IndexRange o2) {
return o2.getStart().compareTo(o1.getStart());
}
});
return ranges;
}
@Override
public void destroy(String index) {
try {
final IndexRange range = get(index);
destroy(range);
} catch (NotFoundException e) {
return;
}
String x = "Removed range meta-information of [" + index + "]";
LOG.info(x);
activityWriter.write(new Activity(x, IndexRangeImpl.class));
}
@Override
public IndexRange create(Map<String, Object> range) {
return new IndexRangeImpl(range);
}
@Override
public void destroyAll() {
destroyAll(IndexRangeImpl.class);
}
}