Element trussElement = new IIOMetadataNode("truss");
trussElement.setAttribute("id", trussId );
trussElement.setAttribute("size", trussSize.toString());
trussElement.setAttribute("length", trussLength.toString());
trussElement.appendChild( suspendElement1 );
trussElement.appendChild( suspendElement2 );
Truss truss = new Truss( trussElement );
truss.verify();
elementOnPipe = new IIOMetadataNode( "luminaire" );
elementOnPipe.setAttribute( "type", type );