question: public Id < TtPath > convertPathInfo2PathId ( List < Id < DgStreet > > ksPath , Id < DgCrossingNode > ksSourceNodeId , Id < DgCrossingNode > ksDrainNodeId ) { String idString = ksSourceNodeId . toString ( ) + "22" ; for ( Id < DgStreet > streetId : ksPath ) { idString += streetId . toString ( ) + "44" ; } idString . substring ( 0 , idString . length ( ) - 3 ) ; idString += "22" + ksDrainNodeId . toString ( ) ; return idPool . createId ( idString , TtPath . class ) ; }
target:  Creates an id for a path in the ks model