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<?php |
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/** |
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* This file is part of the SVN-Buddy library. |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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* |
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* @copyright Alexander Obuhovich <[email protected]> |
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* @link https://github.com/console-helpers/svn-buddy |
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*/ |
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namespace ConsoleHelpers\SVNBuddy\Database; |
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use Aura\Sql\ExtendedPdoInterface; |
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class DatabaseCache |
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{ |
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/** |
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* Database cache. |
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* |
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* @var array |
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*/ |
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private $_cache = array(); |
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/** |
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* Database. |
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* |
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* @var ExtendedPdoInterface |
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*/ |
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private $_database; |
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/** |
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* Creates cache instance. |
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* |
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* @param ExtendedPdoInterface $database Database. |
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*/ |
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167 |
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public function __construct(ExtendedPdoInterface $database) |
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{ |
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$this->_database = $database; |
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} |
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/** |
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* Adds table to caching. |
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* |
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* @param string $table Table. |
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* |
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* @return void |
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*/ |
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167 |
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public function cacheTable($table) |
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{ |
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167 |
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if ( !isset($this->_cache[$table]) ) { |
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$this->_cache[$table] = array(); |
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} |
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} |
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/** |
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* Gets cached data. |
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* |
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* @param string $table Table. |
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* @param mixed $cache_key Key. |
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* @param string|null $sql Fallback sql used to populate cache on the fly. |
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* @param array $values Fallback values used together with above sql. |
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* |
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* @return array|boolean |
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*/ |
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public function getFromCache($table, $cache_key, $sql = null, array $values = array()) |
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{ |
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if ( isset($this->_cache[$table][$cache_key]) ) { |
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return $this->_cache[$table][$cache_key]; |
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} |
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if ( isset($sql) ) { |
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$result = $this->_database->fetchOne($sql, $values); |
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if ( $result !== false ) { |
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$this->setIntoCache($table, $cache_key, $result); |
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return $this->_cache[$table][$cache_key]; |
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} |
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} |
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return false; |
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} |
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/** |
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* Gets cached data. |
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* |
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* @param string $table Table. |
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* @param mixed $cache_key Key. |
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* @param array $data Data. |
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* |
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* @return void |
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*/ |
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public function setIntoCache($table, $cache_key, array $data) |
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{ |
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if ( isset($this->_cache[$table][$cache_key]) ) { |
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$this->_cache[$table][$cache_key] = array_replace($this->_cache[$table][$cache_key], $data); |
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} |
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else { |
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$this->_cache[$table][$cache_key] = $data; |
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} |
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} |
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/** |
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* Clears cache. |
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* |
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* @return void |
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*/ |
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1 |
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public function clear() |
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{ |
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$tables = array_keys($this->_cache); |
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$this->_cache = array(); |
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1 |
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foreach ( $tables as $table_name ) { |
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$this->cacheTable($table_name); |
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} |
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} |
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} |
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console-helpers /
svn-buddy
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