1 // BSD License (http://www.galagosearch.org/license)
2 package org.galagosearch.tupleflow;
3
4 import java.io.IOException;
5 import java.util.ArrayList;
6 import java.util.List;
7
8 public interface Reducer<T> {
9 public ArrayList<T> reduce(List<T> input) throws IOException;
10 }