/* 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 General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
package org.opentripplanner.analyst.batch.aggregator;
import org.opentripplanner.analyst.batch.ResultSet;
/**
* An interface for classes that provide an aggregate function over populations
* of places. Can be used to provide various accessibility calculations, for example.
*
* @author andrewbyrd
*/
public interface Aggregator {
public double computeAggregate(ResultSet results);
}