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1 | <?php |
2 | |
3 | /** |
4 | * Search backend interface definition. |
5 | * |
6 | * PHP version 8 |
7 | * |
8 | * Copyright (C) Villanova University 2010. |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify |
11 | * it under the terms of the GNU General Public License version 2, |
12 | * as published by the Free Software Foundation. |
13 | * |
14 | * This program is distributed in the hope that it will be useful, |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 | * GNU General Public License for more details. |
18 | * |
19 | * You should have received a copy of the GNU General Public License |
20 | * along with this program; if not, write to the Free Software |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
22 | * |
23 | * @category VuFind |
24 | * @package Search |
25 | * @author David Maus <maus@hab.de> |
26 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
27 | * @link https://vufind.org |
28 | */ |
29 | |
30 | namespace VuFindSearch\Backend; |
31 | |
32 | use VuFindSearch\ParamBag; |
33 | use VuFindSearch\Query\AbstractQuery; |
34 | |
35 | /** |
36 | * Search backend interface definition. |
37 | * |
38 | * @category VuFind |
39 | * @package Search |
40 | * @author David Maus <maus@hab.de> |
41 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
42 | * @link https://vufind.org |
43 | */ |
44 | interface BackendInterface |
45 | { |
46 | /** |
47 | * Set the backend identifier. |
48 | * |
49 | * @param string $identifier Backend identifier |
50 | * |
51 | * @return void |
52 | */ |
53 | public function setIdentifier($identifier); |
54 | |
55 | /** |
56 | * Return backend identifier. |
57 | * |
58 | * @return string |
59 | */ |
60 | public function getIdentifier(); |
61 | |
62 | /** |
63 | * Perform a search and return record collection. |
64 | * |
65 | * @param AbstractQuery $query Search query |
66 | * @param int $offset Search offset |
67 | * @param int $limit Search limit |
68 | * @param ParamBag $params Search backend parameters |
69 | * |
70 | * @return \VuFindSearch\Response\RecordCollectionInterface |
71 | */ |
72 | public function search( |
73 | AbstractQuery $query, |
74 | $offset, |
75 | $limit, |
76 | ParamBag $params = null |
77 | ); |
78 | |
79 | /** |
80 | * Retrieve a single document. |
81 | * |
82 | * @param string $id Document identifier |
83 | * @param ParamBag $params Search backend parameters |
84 | * |
85 | * @return \VuFindSearch\Response\RecordCollectionInterface |
86 | */ |
87 | public function retrieve($id, ParamBag $params = null); |
88 | } |