/**
* The keys for the required rows
*
* @param mixed $rows Something that can be made into an array using \MUtil_Ra::to()
* @return \MUtil_Model_Transform_RequiredRowsTransformer
* @throws \MUtil_Model_ModelException
*/
public function setRequiredRows($rows)
{
if (\MUtil_Ra::is($rows)) {
$this->_requiredRows = $rows;
return $this;
}
throw new \MUtil_Model_ModelException('Invalid parameter type for ' . __FUNCTION__ . ': $rows cannot be converted to an array.');
}
/**
* Set the current stack
*
* @param mixed $stack Value to be turned into stack for evaluation
* @return \MUtil_Lazy_StackInterface
*/
public static function setStack($stack)
{
if ($stack instanceof \MUtil_Lazy_StackInterface) {
self::$_stack = $stack;
} elseif ($stack instanceof \MUtil_Model_Bridge_TableBridgeAbstract) {
self::$_stack = new \MUtil_Lazy_Stack_BridgeStack($stack);
} elseif ($stack instanceof \MUtil_Lazy_Repeatable) {
self::$_stack = new RepeatableStack($stack);
} elseif (\MUtil_Ra::is($stack)) {
$stack = \MUtil_Ra::to($stack);
self::$_stack = new \MUtil_Lazy_Stack_ArrayStack($stack);
} elseif (is_object($stack)) {
self::$_stack = new \MUtil_Lazy_Stack_ObjectStack($stack);
} else {
throw new \MUtil_Lazy_LazyException("Lazy stack set to invalid scalar type.");
}
return self::$_stack;
}
function is_ra_array($value)
{
return \MUtil_Ra::is($value);
}