renderers/vpp/src/main/java/org/opendaylight/groupbasedpolicy/renderer/vpp/lisp/mappers/InterfaceNameToStaticInfoMapper.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 com.google.common.base.Preconditions;
  11 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  12
  13 import java.util.ArrayList;
  14 import java.util.HashMap;
  15 import java.util.List;
  16
  17 /**
  18  * Created by Shakib Ahmed on 5/26/17.
  19  */
  20 public class InterfaceNameToStaticInfoMapper {
  21     HashMap<String, StaticRouteInfoMapper> interfaceNameToStaticRouteMapper;
  22
  23     private static final InterfaceNameToStaticInfoMapper INSTANCE = new InterfaceNameToStaticInfoMapper();
  24
  25     private InterfaceNameToStaticInfoMapper() {
  26         interfaceNameToStaticRouteMapper = new HashMap<>();
  27     }
  28
  29     public static InterfaceNameToStaticInfoMapper getInstance() {
  30         return INSTANCE;
  31     }
  32
  33     public boolean routeAlreadyExists(String interfaceName, Ipv4Address ip) {
  34         StaticRouteInfoMapper staticRouteInfoMapper = interfaceNameToStaticRouteMapper.get(interfaceName);
  35
  36         if (staticRouteInfoMapper == null) {
  37             return false;
  38         }
  39
  40         return staticRouteInfoMapper.routeWithIpExists(ip);
  41     }
  42
  43     public void addRouteForInterface(String interfaceName, Ipv4Address ip, Long routeId) {
  44         StaticRouteInfoMapper staticRouteInfoMapper = interfaceNameToStaticRouteMapper.get(interfaceName);
  45
  46         if (staticRouteInfoMapper == null) {
  47             staticRouteInfoMapper = new StaticRouteInfoMapper();
  48             interfaceNameToStaticRouteMapper.put(interfaceName, staticRouteInfoMapper);
  49         }
  50
  51         staticRouteInfoMapper.addIpRouteForInterface(ip, routeId);
  52     }
  53
  54     public List<Long> getRoutingIdsAssociatedWithInterface(String interfaceName) {
  55         StaticRouteInfoMapper staticRouteInfoMapper = interfaceNameToStaticRouteMapper.get(interfaceName);
  56
  57         return staticRouteInfoMapper == null ? new ArrayList<>() : staticRouteInfoMapper.getAllRoutingIds();
  58     }
  59
  60     public void clearStaticRoutesForInterface(String interfaceName) {
  61         interfaceNameToStaticRouteMapper.remove(interfaceName);
  62     }
  63 }