/**
* Match the passed dpc, opc and si with Tree structure and return the As from corresponding
* matched {@link SINode}.
*
* <p>For example if AS1 is added for Routing Key with DPC=123 only. The tree will be formed with
* 123 as {@link DPCNode} parent node and -1 as {@link OPCNode} leaf and within {@link OPCNode} -1
* as {@link SINode}
*
* @param dpc
* @param opc
* @param si
* @return
*/
public AsImpl getAs(int dpc, int opc, short si) {
for (FastList.Node<DPCNode> n = dpcList.head(), end = dpcList.tail();
(n = n.getNext()) != end; ) {
DPCNode dpcNode = n.getValue();
if (dpcNode.dpc == dpc) {
return dpcNode.getAs(opc, si);
}
}
return null;
}
