/**
* Returns an array containing, for each field, the arary key used for that
* field in self::$_fields.
*
* @return array
*/
static function &fieldKeys()
{
if (!self::$_fieldKeys) {
self::$_fieldKeys = array('id' => 'id', 'contact_id_a' => 'contact_id_a', 'contact_id_b' => 'contact_id_b', 'relationship_type_id' => 'relationship_type_id', 'start_date' => 'start_date', 'end_date' => 'end_date', 'is_active' => 'is_active', 'description' => 'description', 'is_permission_a_b' => 'is_permission_a_b', 'is_permission_b_a' => 'is_permission_b_a', 'case_id' => 'case_id');
}
return self::$_fieldKeys;
}
