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1 | <?php |
2 | /** |
3 | * |
4 | * This file is part of the phpBB Forum Software package. |
5 | * |
6 | * @copyright (c) phpBB Limited <https://www.phpbb.com> |
7 | * @license GNU General Public License, version 2 (GPL-2.0) |
8 | * |
9 | * For full copyright and license information, please see |
10 | * the docs/CREDITS.txt file. |
11 | * |
12 | */ |
13 | |
14 | namespace phpbb\db\extractor; |
15 | |
16 | /** |
17 | * Database extractor interface |
18 | */ |
19 | interface extractor_interface |
20 | { |
21 | /** |
22 | * Start the extraction of the database |
23 | * |
24 | * This function initialize the database extraction. It is required to call this |
25 | * function before calling any other extractor functions. |
26 | * |
27 | * @param string $format |
28 | * @param string $filename |
29 | * @param int $time |
30 | * @param bool $download |
31 | * @param bool $store |
32 | * @return null |
33 | * @throws \phpbb\db\extractor\exception\invalid_format_exception when $format is invalid |
34 | */ |
35 | public function init_extractor($format, $filename, $time, $download = false, $store = false); |
36 | |
37 | /** |
38 | * Writes header comments to the database backup |
39 | * |
40 | * @param string $table_prefix prefix of phpBB database tables |
41 | * @return null |
42 | * @throws \phpbb\db\extractor\exception\extractor_not_initialized_exception when calling this function before init_extractor() |
43 | */ |
44 | public function write_start($table_prefix); |
45 | |
46 | /** |
47 | * Closes file and/or dumps download data |
48 | * |
49 | * @return null |
50 | * @throws \phpbb\db\extractor\exception\extractor_not_initialized_exception when calling this function before init_extractor() |
51 | */ |
52 | public function write_end(); |
53 | |
54 | /** |
55 | * Extracts database table structure |
56 | * |
57 | * @param string $table_name name of the database table |
58 | * @return null |
59 | * @throws \phpbb\db\extractor\exception\extractor_not_initialized_exception when calling this function before init_extractor() |
60 | */ |
61 | public function write_table($table_name); |
62 | |
63 | /** |
64 | * Extracts data from database table |
65 | * |
66 | * @param string $table_name name of the database table |
67 | * @return null |
68 | * @throws \phpbb\db\extractor\exception\extractor_not_initialized_exception when calling this function before init_extractor() |
69 | */ |
70 | public function write_data($table_name); |
71 | |
72 | /** |
73 | * Writes data to file/download content |
74 | * |
75 | * @param string $data |
76 | * @return null |
77 | * @throws \phpbb\db\extractor\exception\extractor_not_initialized_exception when calling this function before init_extractor() |
78 | */ |
79 | public function flush($data); |
80 | } |