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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 | } |