public void assignLink() { for (Link link : linkMap.values()) { Integer srcIfIndex = link.getSrcIfIndex(); Integer dstIfIndex = link.getDstIfIndex(); Integer dstRouter = link.getDstRouterID(); if (srcIfIndex != null && dstIfIndex != null && dstRouter != null) { Interface inf = interfaceMap.get(srcIfIndex); if (inf != null) { inf.setLink(link); inf.setConType(1); } } } }