renderers/vpp/src/main/java/org/opendaylight/groupbasedpolicy/renderer/vpp/lisp/mappers/HostIdToInterfaceInfoMapper.java

   1 /*
   2  * Copyright (c) 2017 Cisco Systems. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.groupbasedpolicy.renderer.vpp.lisp.mappers;
   9
  10 import org.opendaylight.groupbasedpolicy.renderer.vpp.lisp.InterfaceInfo;
  11 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  12
  13 import java.util.HashMap;
  14
  15 /**
  16  * Created by Shakib Ahmed on 6/23/17.
  17  */
  18 public class HostIdToInterfaceInfoMapper {
  19
  20     public enum InterfaceType {
  21         PUBLIC
  22     }
  23
  24     HashMap<String, HashMap<InterfaceType, InterfaceInfo>> hostIdToInterfaceInfoMapper;
  25
  26     private HostIdToInterfaceInfoMapper() {
  27         hostIdToInterfaceInfoMapper = new HashMap<>();
  28     }
  29
  30     private static final HostIdToInterfaceInfoMapper INSTANCE = new HostIdToInterfaceInfoMapper();
  31
  32     public static HostIdToInterfaceInfoMapper getInstance() {
  33         return INSTANCE;
  34     }
  35
  36     public void addInterfaceInfo(String hostId,
  37                                  InterfaceType interfaceType,
  38                                  String interfaceName,
  39                                  IpAddress interfaceIp) {
  40         HashMap<InterfaceType, InterfaceInfo> typeToInterfaceInfoMapper =
  41                 hostIdToInterfaceInfoMapper.computeIfAbsent(hostId, id -> new HashMap<>());
  42
  43         typeToInterfaceInfoMapper.put(interfaceType, new InterfaceInfo(interfaceName, interfaceIp));
  44     }
  45
  46     public InterfaceInfo getInterfaceInfo(String hostId, InterfaceType interfaceType) {
  47
  48         if (!hostIdToInterfaceInfoMapper.containsKey(hostId)) {
  49             return null;
  50         }
  51
  52         return hostIdToInterfaceInfoMapper.get(hostId).get(interfaceType);
  53     }
  54 }