icingaweb2-module-director/library/Director/Db/Migration.php

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<?php
namespace Icinga\Module\Director\Db;
use Exception;
use Icinga\Exception\IcingaException;
use Icinga\Module\Director\Db;
class Migration
{
/**
* @var string
*/
protected $sql;
/**
* @var int
*/
protected $version;
public function __construct($version, $sql)
{
$this->version = $version;
$this->sql = $sql;
}
public function apply(Db $connection)
{
$db = $connection->getDbAdapter();
$queries = preg_split('/[\n\s\t]*\;[\n\s\t]*/s', $this->sql, -1, PREG_SPLIT_NO_EMPTY);
if (empty($queries)) {
throw new IcingaException(
'Migration %d has no queries',
$this->version
);
}
try {
$db->beginTransaction();
foreach ($queries as $query) {
$db->exec($query);
}
$db->commit();
} catch (Exception $e) {
$db->rollback();
throw new IcingaException(
'Migration %d failed: %s',
$this->version,
$e->getMessage()
);
}
return $this;
}
}