/**
* Main function
*
* @param string $_action action to be called
* @throws Exception if the action is not found
*/
private final function _main($_action)
{
if (!\method_exists($this, $_action)) {
Debug::warning('Action %1$s nonexistent', $_action);
throw new Exception(sprintf('%1$s->%2$s Not found', get_class($this), $_action));
}
Debug::info('Loading "%1$s->%2$s"', get_class($this), $_action);
$this->_prepend();
$this->{$_action}();
$this->_append();
}
