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<?php
namespace SMW\Connection;
use RuntimeException;
/**
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class ConnectionProviderRef {
/**
* @var array
*/
private $connectionProviders = [];
/**
* @since 3.0
*
* @param array $connectionProviders
*/
public function __construct( array $connectionProviders ) {
$this->connectionProviders = $connectionProviders;
}
/**
* @since 3.0
*
* @param string $key
*
* @return boolean
*/
public function hasConnection( $key ) {
return isset( $this->connectionProviders[$key] );
}
/**
* @since 3.0
*
* @param string $key
*
* @return ConnectionProvider
* @throws RuntimeException
*/
public function getConnection( $key ) {
if ( isset( $this->connectionProviders[$key] ) && $this->connectionProviders[$key] instanceof ConnectionProvider ) {
return $this->connectionProviders[$key]->getConnection();
}
throw new RuntimeException( "$key is unknown" );
}
/**
* @since 3.0
*/
public function releaseConnection() {
foreach ( $this->connectionProviders as $connectionProvider ) {
$connectionProvider->releaseConnection();
}
}
}
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