89 lines
2.0 KiB
PHP
89 lines
2.0 KiB
PHP
<?php namespace Laravel\Database;
|
|
|
|
class Manager {
|
|
|
|
/**
|
|
* The established database connections.
|
|
*
|
|
* @var array
|
|
*/
|
|
public $connections = array();
|
|
|
|
/**
|
|
* The database connection configurations.
|
|
*
|
|
* @var array
|
|
*/
|
|
private $config;
|
|
|
|
/**
|
|
* The default database connection name.
|
|
*
|
|
* @var string
|
|
*/
|
|
private $default;
|
|
|
|
/**
|
|
* Create a new database manager instance.
|
|
*
|
|
* @param string $default
|
|
*/
|
|
public function __construct($config, $default)
|
|
{
|
|
$this->config = $config;
|
|
$this->default = $default;
|
|
}
|
|
|
|
/**
|
|
* Get a database connection. If no database name is specified, the default
|
|
* connection will be returned as defined in the db configuration file.
|
|
*
|
|
* Note: Database connections are managed as singletons.
|
|
*
|
|
* @param string $connection
|
|
* @return Database\Connection
|
|
*/
|
|
public function connection($connection = null)
|
|
{
|
|
if (is_null($connection)) $connection = $this->default;
|
|
|
|
if ( ! array_key_exists($connection, $this->connections))
|
|
{
|
|
if ( ! isset($this->config[$connection]))
|
|
{
|
|
throw new \Exception("Database connection [$connection] is not defined.");
|
|
}
|
|
|
|
$connector = Connector\Factory::make($this->config[$connection]);
|
|
|
|
static::$connections[$connection] = new Connection($connection, $this->config[$connection], $connector);
|
|
}
|
|
|
|
return $this->connections[$connection];
|
|
}
|
|
|
|
/**
|
|
* Begin a fluent query against a table.
|
|
*
|
|
* This method primarily serves as a short-cut to the $connection->table() method.
|
|
*
|
|
* @param string $table
|
|
* @param string $connection
|
|
* @return Database\Query
|
|
*/
|
|
public function table($table, $connection = null)
|
|
{
|
|
return $this->connection($connection)->table($table);
|
|
}
|
|
|
|
/**
|
|
* Magic Method for calling methods on the default database connection.
|
|
*
|
|
* This provides a convenient API for querying or examining the default database connection.
|
|
*/
|
|
public function __call($method, $parameters)
|
|
{
|
|
return call_user_func_array(array($this->connection(), $method), $parameters);
|
|
}
|
|
|
|
} |