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<?php
/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Monitoring\Hook;
abstract class DataviewExtensionHook
{
public function getAdditionalQueryColumns($queryName)
{
$cols = $this->provideAdditionalQueryColumns($queryName);
if (! is_array($cols)) {
return array();
}
return $cols;
}
abstract public function provideAdditionalQueryColumns($queryName);
}
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