2 * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
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
8 package org.opendaylight.netvirt.cloudservicechain.utils;
10 import java.util.List;
11 import java.util.concurrent.ConcurrentHashMap;
12 import java.util.concurrent.ConcurrentMap;
13 import javax.annotation.PostConstruct;
14 import javax.inject.Inject;
15 import javax.inject.Singleton;
16 import org.eclipse.jdt.annotation.NonNull;
17 import org.eclipse.jdt.annotation.Nullable;
18 import org.opendaylight.mdsal.binding.api.DataBroker;
19 import org.opendaylight.mdsal.common.api.ReadFailedException;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.cloud.servicechain.state.rev160711.vpn.to.pseudo.port.list.VpnToPseudoPortData;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
25 * Manages a per-blade cache, which is fed by a clustered data change listener.
28 public class VpnPseudoPortCache {
29 private static final Logger LOG = LoggerFactory.getLogger(VpnPseudoPortCache.class);
31 private final DataBroker broker;
32 private final ConcurrentMap<String, Long> cache = new ConcurrentHashMap<>();
35 public VpnPseudoPortCache(DataBroker broker) {
41 LOG.info("Initial read of Vpn to VpnPseudoPort map from Datastore");
43 List<VpnToPseudoPortData> allVpnToPseudoPortData = VpnServiceChainUtils.getAllVpnToPseudoPortData(broker);
44 for (VpnToPseudoPortData vpnToPseudoPort : allVpnToPseudoPortData) {
45 add(vpnToPseudoPort.getVrfId(), vpnToPseudoPort.getVpnLportTag());
47 } catch (InterruptedException | ExecutionException e) {
48 LOG.error("Error reading VPN to pseudo-port map", e);
52 public void add(@NonNull String vrfId, long vpnPseudoLportTag) {
53 LOG.debug("Adding vpn {} and vpnPseudoLportTag {} to VpnPseudoPortCache", vrfId, vpnPseudoLportTag);
54 cache.put(vrfId, Long.valueOf(vpnPseudoLportTag));
58 public Long get(@NonNull String vrfId) {
59 return cache.get(vrfId);
63 public Long remove(@NonNull String vrfId) {
64 LOG.debug("Removing vpn {} from VpnPseudoPortCache", vrfId);
65 return cache.remove(vrfId);