Added vendor/ directory for Composer's installed files
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307
vendor/illuminate/database/DatabaseManager.php
vendored
Executable file
307
vendor/illuminate/database/DatabaseManager.php
vendored
Executable file
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<?php namespace Illuminate\Database;
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use Illuminate\Support\Str;
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use InvalidArgumentException;
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use Illuminate\Database\Connectors\ConnectionFactory;
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class DatabaseManager implements ConnectionResolverInterface {
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/**
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* The application instance.
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*
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* @var \Illuminate\Foundation\Application
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*/
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protected $app;
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/**
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* The database connection factory instance.
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*
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* @var \Illuminate\Database\Connectors\ConnectionFactory
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*/
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protected $factory;
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/**
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* The active connection instances.
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*
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* @var array
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*/
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protected $connections = array();
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/**
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* The custom connection resolvers.
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*
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* @var array
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*/
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protected $extensions = array();
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/**
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* Create a new database manager instance.
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*
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* @param \Illuminate\Foundation\Application $app
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* @param \Illuminate\Database\Connectors\ConnectionFactory $factory
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* @return void
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*/
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public function __construct($app, ConnectionFactory $factory)
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{
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$this->app = $app;
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$this->factory = $factory;
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}
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/**
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* Get a database connection instance.
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*
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* @param string $name
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* @return \Illuminate\Database\Connection
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*/
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public function connection($name = null)
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{
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list($name, $type) = $this->parseConnectionName($name);
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// If we haven't created this connection, we'll create it based on the config
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// provided in the application. Once we've created the connections we will
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// set the "fetch mode" for PDO which determines the query return types.
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if ( ! isset($this->connections[$name]))
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{
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$connection = $this->makeConnection($name);
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$this->setPdoForType($connection, $type);
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$this->connections[$name] = $this->prepare($connection);
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}
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return $this->connections[$name];
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}
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/**
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* Parse the connection into an array of the name and read / write type.
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*
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* @param string $name
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* @return array
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*/
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protected function parseConnectionName($name)
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{
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$name = $name ?: $this->getDefaultConnection();
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return Str::endsWith($name, ['::read', '::write'])
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? explode('::', $name, 2) : [$name, null];
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}
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/**
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* Disconnect from the given database and remove from local cache.
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*
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* @param string $name
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* @return void
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*/
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public function purge($name = null)
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{
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$this->disconnect($name);
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unset($this->connections[$name]);
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}
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/**
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* Disconnect from the given database.
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*
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* @param string $name
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* @return void
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*/
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public function disconnect($name = null)
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{
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if (isset($this->connections[$name = $name ?: $this->getDefaultConnection()]))
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{
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$this->connections[$name]->disconnect();
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}
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}
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/**
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* Reconnect to the given database.
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*
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* @param string $name
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* @return \Illuminate\Database\Connection
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*/
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public function reconnect($name = null)
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{
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$this->disconnect($name = $name ?: $this->getDefaultConnection());
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if ( ! isset($this->connections[$name]))
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{
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return $this->connection($name);
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}
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return $this->refreshPdoConnections($name);
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}
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/**
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* Refresh the PDO connections on a given connection.
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*
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* @param string $name
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* @return \Illuminate\Database\Connection
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*/
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protected function refreshPdoConnections($name)
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{
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$fresh = $this->makeConnection($name);
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return $this->connections[$name]
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->setPdo($fresh->getPdo())
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->setReadPdo($fresh->getReadPdo());
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}
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/**
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* Make the database connection instance.
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*
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* @param string $name
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* @return \Illuminate\Database\Connection
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*/
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protected function makeConnection($name)
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{
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$config = $this->getConfig($name);
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// First we will check by the connection name to see if an extension has been
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// registered specifically for that connection. If it has we will call the
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// Closure and pass it the config allowing it to resolve the connection.
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if (isset($this->extensions[$name]))
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{
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return call_user_func($this->extensions[$name], $config, $name);
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}
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$driver = $config['driver'];
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// Next we will check to see if an extension has been registered for a driver
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// and will call the Closure if so, which allows us to have a more generic
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// resolver for the drivers themselves which applies to all connections.
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if (isset($this->extensions[$driver]))
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{
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return call_user_func($this->extensions[$driver], $config, $name);
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}
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return $this->factory->make($config, $name);
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}
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/**
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* Prepare the database connection instance.
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*
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* @param \Illuminate\Database\Connection $connection
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* @return \Illuminate\Database\Connection
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*/
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protected function prepare(Connection $connection)
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{
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$connection->setFetchMode($this->app['config']['database.fetch']);
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if ($this->app->bound('events'))
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{
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$connection->setEventDispatcher($this->app['events']);
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}
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// Here we'll set a reconnector callback. This reconnector can be any callable
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// so we will set a Closure to reconnect from this manager with the name of
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// the connection, which will allow us to reconnect from the connections.
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$connection->setReconnector(function($connection)
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{
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$this->reconnect($connection->getName());
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});
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return $connection;
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}
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/**
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* Prepare the read write mode for database connection instance.
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*
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* @param \Illuminate\Database\Connection $connection
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* @param string $type
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* @return \Illuminate\Database\Connection
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*/
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protected function setPdoForType(Connection $connection, $type = null)
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{
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if ($type == 'read')
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{
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$connection->setPdo($connection->getReadPdo());
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}
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elseif ($type == 'write')
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{
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$connection->setReadPdo($connection->getPdo());
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}
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return $connection;
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}
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/**
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* Get the configuration for a connection.
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*
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* @param string $name
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* @return array
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*
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* @throws \InvalidArgumentException
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*/
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protected function getConfig($name)
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{
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$name = $name ?: $this->getDefaultConnection();
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// To get the database connection configuration, we will just pull each of the
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// connection configurations and get the configurations for the given name.
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// If the configuration doesn't exist, we'll throw an exception and bail.
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$connections = $this->app['config']['database.connections'];
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if (is_null($config = array_get($connections, $name)))
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{
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throw new InvalidArgumentException("Database [$name] not configured.");
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}
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return $config;
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}
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/**
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* Get the default connection name.
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*
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* @return string
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*/
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public function getDefaultConnection()
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{
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return $this->app['config']['database.default'];
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}
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/**
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* Set the default connection name.
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*
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* @param string $name
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* @return void
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*/
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public function setDefaultConnection($name)
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{
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$this->app['config']['database.default'] = $name;
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}
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/**
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* Register an extension connection resolver.
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*
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* @param string $name
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* @param callable $resolver
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* @return void
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*/
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public function extend($name, callable $resolver)
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{
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$this->extensions[$name] = $resolver;
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}
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/**
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* Return all of the created connections.
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*
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* @return array
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*/
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public function getConnections()
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{
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return $this->connections;
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}
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/**
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* Dynamically pass methods to the default connection.
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*
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* @param string $method
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* @param array $parameters
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* @return mixed
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*/
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public function __call($method, $parameters)
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{
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return call_user_func_array(array($this->connection(), $method), $parameters);
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}
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}
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