1 package net.obsearch.filter;
2
3 import java.util.LinkedList;
4 import java.util.List;
5
6 import net.obsearch.OB;
7
8 /*
9 OBSearch: a distributed similarity search engine This project is to
10 similarity search what 'bit-torrent' is to downloads.
11 Copyright (C) 2008 Arnoldo Jose Muller Molina
12
13 This program is free software: you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation, either version 3 of the License, or
16 (at your option) any later version.
17
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
22
23 You should have received a copy of the GNU General Public License
24 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 */
26
27 /**
28 * FilterOr creates an or of filters. If any of the
29 * added filters returns true, this filter also returns true.
30 *
31 * @author Arnoldo Jose Muller Molina
32 */
33
34 public final class FilterOr<O extends OB> implements Filter<O> {
35
36 private List<Filter<O>> andList;
37
38 public FilterOr(){
39 andList = new LinkedList<Filter<O>>();
40 }
41
42 public boolean accept(O dbObject, O query) {
43 for(Filter<O> f : andList){
44 if(f.accept(dbObject, query)){
45 return true;
46 }
47 }
48 return false;
49 }
50
51 public void addFilter(Filter<O> f){
52 andList.add(f);
53 }
54 }