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<?php |
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namespace suda\application\database; |
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use suda\framework\Config; |
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use suda\database\DataSource; |
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use suda\application\ApplicationModule; |
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use suda\database\exception\SQLException; |
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use suda\database\connection\observer\Observer; |
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use suda\application\Resource as ApplicationResource; |
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use suda\application\database\creator\MySQLTableCreator; |
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/** |
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* Class Database |
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* @package suda\application\database |
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*/ |
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class Database |
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{ |
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/** |
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* 应用引用 |
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* |
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* @var ApplicationModule |
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*/ |
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protected static $application; |
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/** |
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* @var DataSource[] |
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*/ |
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protected static $dataSource = []; |
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/** |
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* 从应用创建表 |
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* |
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* @param ApplicationModule $application |
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* @return void |
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*/ |
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public static function loadApplication(ApplicationModule $application) |
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{ |
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static::$application = $application; |
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} |
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/** |
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* Get 应用引用 |
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* |
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* @return ApplicationModule |
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*/ |
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public static function application() |
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{ |
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return static::$application; |
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} |
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/** |
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* 获取默认的数据源 |
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* @return DataSource |
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* @throws SQLException |
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*/ |
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public static function getDefaultDataSource():DataSource |
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{ |
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return static::getDataSource('default'); |
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} |
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/** |
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* @param string $name |
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* @return DataSource |
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* @throws SQLException |
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*/ |
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public static function getDataSource(string $name) |
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{ |
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return static::getDataSourceFrom(static::$application->getResource(), $name); |
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} |
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/** |
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* @param ApplicationResource $resource |
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* @param string $groupName |
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* @return DataSource |
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* @throws SQLException |
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*/ |
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public static function getDataSourceFrom(ApplicationResource $resource, string $groupName) |
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{ |
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if (array_key_exists($groupName, static::$dataSource)) { |
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return static::$dataSource[$groupName]; |
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} |
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$group = $groupName === 'default' ? '': '-'. $groupName; |
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$dataSourceConfigPath = $resource->getConfigResourcePath('config/data-source'.$group); |
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$dataSource = new DataSource; |
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if ($dataSourceConfigPath !== null) { |
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$observer = new DebugObserver(static::$application->debug()); |
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$dataSourceConfig = Config::loadConfig($dataSourceConfigPath); |
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foreach ($dataSourceConfig as $name => $config) { |
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$enable = $config['enable']; |
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if ($enable) { |
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static::applyDataSource( |
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$dataSource, |
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$observer, |
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$name, |
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$config['type'] ?? 'mysql', |
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$config['mode'] ?? '', |
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$config |
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); |
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} |
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} |
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} |
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return static::$dataSource[$groupName] = $dataSource; |
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} |
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/** |
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* @param DataSource $source |
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* @param Observer $observer |
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* @param string $name |
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* @param string $type |
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* @param string $mode |
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* @param array $config |
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* @throws SQLException |
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*/ |
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protected static function applyDataSource( |
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DataSource $source, |
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Observer $observer, |
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string $name, |
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string $type, |
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string $mode, |
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array $config |
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) { |
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$mode = strtolower($mode); |
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$data = DataSource::new($type, $config, $name); |
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$data->setObserver($observer); |
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if (strlen($mode) > 0) { |
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if (strpos($mode, 'read') !== false || strpos($mode, 'slave') !== false) { |
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$source->addRead($data); |
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} |
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if (strpos($mode, 'write') !== false) { |
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$source->addWrite($data); |
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} |
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if (strpos($mode, 'master') !== false) { |
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$source->add($data); |
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} |
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} else { |
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$source->add($data); |
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} |
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} |
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} |
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dxkite /
suda
