AgpItems destRelItems = null;
AgpItems srcRelItems = null;
AgpCommonRequest request = new AgpCommonRequest();
if (sRelType != null) {
srcRelItems = request.queryRelatedItems(src.getConnection(),
sSrcId,sRelType,sRelDir);
destRelItems = request.queryRelatedItems(dest.getConnection(),
sDestId,sRelType,sRelDir);
// TODO: consider when to delete destination related items