vpnservice/neutronvpn/neutronvpn-api/src/main/java/org/opendaylight/netvirt/neutronvpn/api/l2gw/utils/L2GatewayCacheUtils.java

   1 /*
   2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others.  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.netvirt.neutronvpn.api.l2gw.utils;
   9
  10 import java.util.concurrent.ConcurrentMap;
  11 import org.opendaylight.genius.utils.cache.CacheUtil;
  12 import org.opendaylight.netvirt.neutronvpn.api.l2gw.L2GatewayDevice;
  13
  14 public class L2GatewayCacheUtils {
  15     public static final String L2GATEWAY_CACHE_NAME = "L2GW";
  16
  17     public static void createL2DeviceCache() {
  18         if (CacheUtil.getCache(L2GatewayCacheUtils.L2GATEWAY_CACHE_NAME) == null) {
  19             CacheUtil.createCache(L2GatewayCacheUtils.L2GATEWAY_CACHE_NAME);
  20         }
  21     }
  22
  23     public static void addL2DeviceToCache(String devicename, L2GatewayDevice l2GwDevice) {
  24         ConcurrentMap<String, L2GatewayDevice> cachedMap = (ConcurrentMap<String, L2GatewayDevice>) CacheUtil
  25                 .getCache(L2GatewayCacheUtils.L2GATEWAY_CACHE_NAME);
  26         cachedMap.put(devicename, l2GwDevice);
  27     }
  28
  29     public static L2GatewayDevice removeL2DeviceFromCache(String devicename) {
  30         ConcurrentMap<String, L2GatewayDevice> cachedMap = (ConcurrentMap<String, L2GatewayDevice>) CacheUtil
  31                 .getCache(L2GatewayCacheUtils.L2GATEWAY_CACHE_NAME);
  32         return cachedMap.remove(devicename);
  33     }
  34
  35     public static L2GatewayDevice getL2DeviceFromCache(String devicename) {
  36         ConcurrentMap<String, L2GatewayDevice> cachedMap = (ConcurrentMap<String, L2GatewayDevice>) CacheUtil
  37                 .getCache(L2GatewayCacheUtils.L2GATEWAY_CACHE_NAME);
  38         return cachedMap.get(devicename);
  39     }
  40
  41     public static ConcurrentMap<String, L2GatewayDevice> getCache() {
  42         return (ConcurrentMap<String, L2GatewayDevice>) CacheUtil
  43                 .getCache(L2GatewayCacheUtils.L2GATEWAY_CACHE_NAME);
  44     }
  45
  46 }