private AssociationBridge CreateCollectionRelationshipBridge(Relationship relationship, RelationshipSorter sorter, Interaction interaction) { RelationshipSorter association = sorter.GetAsRelationshipSorter(relationship); List <PartBridge> list = new List <PartBridge>(); int length = association.GetSingleCollapsedPropertySize(); for (int i = 0; i < length; i++) { list.Add(CreatePartBridge(association, interaction, GetMessagePart(interaction, relationship, null), new BridgeContext(true , i), false)); } // bug 13240 - if empty collection and pop/mand, add a placeholder bridge - this will output a nullflavor element, and a warning for mandatory if (list.IsEmpty() && (ConformanceLevelUtil.IsPopulated(relationship) || ConformanceLevelUtil.IsMandatory(relationship))) { list.Add(CreatePartBridgeFromBean(string.Empty, null, interaction, GetMessagePart(interaction, relationship, null))); } return(new AssociationBridgeImpl(relationship, list)); }