/**
* {@inheritdoc}
*/
public function createStream(array $tables = array())
{
if ($this->environment->isPdoEnabled()) {
$connection = new MWP_IncrementalBackup_Database_PdoConnection($this->configuration);
} elseif ($this->environment->isMysqliEnabled()) {
$connection = new MWP_IncrementalBackup_Database_MysqliConnection($this->configuration);
} elseif ($this->environment->isMysqlEnabled()) {
$connection = new MWP_IncrementalBackup_Database_MysqlConnection($this->configuration);
} else {
throw new MWP_IncrementalBackup_Database_Exception_ConnectionException("No mysql drivers available.");
}
$this->options->setTables($tables);
$dumper = new MWP_IncrementalBackup_Database_StreamableQuerySequenceDump($connection, $this->options);
return $dumper->createStream();
}
private function getPreferredConnection($methods)
{
foreach ($methods as $method) {
try {
if ($method == self::METHOD_PDO && $this->environment->isPdoEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_PdoConnection($this->configuration);
} elseif ($method == self::METHOD_MYSQLI && $this->environment->isMysqliEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_MysqliConnection($this->configuration);
} elseif ($method == self::METHOD_MYSQL && $this->environment->isMysqlEnabled()) {
$this->connection = new MWP_IncrementalBackup_Database_MysqlConnection($this->configuration);
}
} catch (Exception $e) {
}
}
}