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<?php |
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namespace Wandu\Database; |
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class DatabaseManager |
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{ |
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/** @var \Wandu\Database\Connector[] */ |
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protected $connectors = []; |
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/** @var \Wandu\Database\Contracts\Connection[] */ |
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protected $connections = []; |
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/** @var \Wandu\Database\Repository[] */ |
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protected $repositories = []; |
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public function __construct(Configuration $config) |
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{ |
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$this->config = $config; |
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} |
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/** |
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* @param array|\Wandu\Database\Connector $connector |
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* @param string $name |
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* @return \Wandu\Database\Contracts\Connection |
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*/ |
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public function connect($connector, $name = 'default') |
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{ |
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if (is_array($connector)) { |
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$connector = new Connector($connector); |
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} |
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$this->connectors[$name] = $connector; |
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$connection = $connector->connect(); |
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if ($emitter = $this->config->getEmitter()) { |
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$connection->setEventEmitter($emitter); |
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} |
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return $this->connections[$name] = $connection; |
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} |
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/** |
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* @param string $name |
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* @return \Wandu\Database\Contracts\Connection |
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*/ |
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public function connection($name = 'default') |
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{ |
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return isset($this->connections[$name]) ? $this->connections[$name] : null; |
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} |
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/** |
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* @param string $class |
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* @return \Wandu\Database\Repository |
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*/ |
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public function repository(string $class): Repository |
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{ |
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if (!isset($this->repositories[$class])) { |
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$meta = $this->config->getMetadataReader()->getMetadata($class); |
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$connection = $meta->getConnection(); |
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$prefix = $this->connectors[$connection]->getPrefix(); |
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$this->repositories[$class] = new Repository( |
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$this->connections[$connection], |
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new QueryBuilder($prefix . $meta->getTable()), |
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$meta, |
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$this->config |
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); |
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} |
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return $this->repositories[$class]; |
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} |
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} |
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Wandu /
Framework
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: