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| <?php | |
| namespace CirrusSearch\Maintenance; | |
| /** | |
| * Splits maintenance scripts into chunks and prints out the commands to run | |
| * the chunks. | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2 of the License, or | |
| * (at your option) any later version. | |
| * | |
| * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU General Public License along | |
| * with this program; if not, write to the Free Software Foundation, Inc., | |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
| * http://www.gnu.org/copyleft/gpl.html | |
| */ | |
| class ChunkBuilder { | |
| /** | |
| * @param string $self Name of maintenance script | |
| * @param array $options | |
| * @param string|int $buildChunks If specified as a number then chunks no | |
| * larger than that size are spat out. If specified as a number followed | |
| * by the word "total" without a space between them then that many chunks | |
| * will be spat out sized to cover the entire wiki. | |
| * @param int $fromPageId | |
| * @param int $toPageId | |
| */ | |
| public function build( $self, array $options, $buildChunks, $fromPageId, $toPageId ) { | |
| $fixedChunkSize = strpos( $buildChunks, 'total' ) === false; | |
| $buildChunks = intval( $buildChunks ); | |
| if ( $fixedChunkSize ) { | |
| $chunkSize = $buildChunks; | |
| } else { | |
| $chunkSize = max( 1, ceil( ( $toPageId - $fromPageId ) / $buildChunks ) ); | |
| } | |
| for ( $pageId = $fromPageId; $pageId < $toPageId; $pageId += $chunkSize ) { | |
| $chunkToId = min( $toPageId, $pageId + $chunkSize ); | |
| print "php $self"; | |
| foreach ( $options as $optName => $optVal ) { | |
| if ( $optVal === null || $optVal === false || $optName === 'fromId' || | |
| $optName === 'toId' || $optName === 'buildChunks' || | |
| ( $optName === 'memory-limit' && $optVal === 'max' ) | |
| ) { | |
| continue; | |
| } | |
| print " --$optName $optVal"; | |
| } | |
| print " --fromId $pageId --toId $chunkToId\n"; | |
| } | |
| } | |
| } |