index/src/Data/NullDb/NullDbBackend.php

37 lines
900 B
PHP

<?php
// NullDbBackend.php
// Created: 2021-05-02
// Updated: 2022-02-28
namespace Index\Data\NullDb;
use Index\Data\IDbBackend;
use Index\Data\IDbConnection;
use Index\Data\IDbConnectionInfo;
/**
* Information about the dummy database layer.
*/
class NullDbBackend implements IDbBackend {
public function isAvailable(): bool {
return true;
}
/**
* Creates a dummy database connection.
*
* @param NullDbConnectionInfo $connectionInfo Dummy connection info.
* @return NullDbConnection Dummy connection instance.
*/
public function createConnection(IDbConnectionInfo $connectionInfo): IDbConnection {
return new NullDbConnection;
}
/**
* @return NullDbConnectionInfo Dummy connection info instance.
*/
public function parseDsn(string|array $dsn): IDbConnectionInfo {
return new NullDbConnectionInfo;
}
}