public function __construct($parentClassName)
{
parent::__construct('Comment', 'ParentID');
// Ensure underlying DataQuery globally references the class filter
$this->dataQuery->setQueryParam('Foreign.Class', $parentClassName);
// For queries with multiple foreign IDs (such as that generated by
// DataList::relation) the filter must be generalised to filter by subclasses
$classNames = Convert::raw2sql(ClassInfo::subclassesFor($parentClassName));
$this->dataQuery->where(sprintf("\"BaseClass\" IN ('%s')", implode("', '", $classNames)));
}
/**
* Create a new PolymorphicHasManyList relation list.
*
* @param string $dataClass The class of the DataObjects that this will list.
* @param string $foreignField The name of the composite foreign relation field. Used
* to generate the ID and Class foreign keys.
* @param string $foreignClass Name of the class filter this relation is filtered against
*/
function __construct($dataClass, $foreignField, $foreignClass)
{
// Set both id foreign key (as in HasManyList) and the class foreign key
parent::__construct($dataClass, "{$foreignField}ID");
$this->classForeignKey = "{$foreignField}Class";
// Ensure underlying DataQuery globally references the class filter
$this->dataQuery->setQueryParam('Foreign.Class', $foreignClass);
// For queries with multiple foreign IDs (such as that generated by
// DataList::relation) the filter must be generalised to filter by subclasses
$classNames = Convert::raw2sql(ClassInfo::subclassesFor($foreignClass));
$this->dataQuery->where(sprintf("\"{$this->classForeignKey}\" IN ('%s')", implode("', '", $classNames)));
}
public function __construct($dataClass, $foreignKey)
{
parent::__construct($dataClass, $foreignKey);
}
