neutronvpn/impl/src/main/java/org/opendaylight/netvirt/neutronvpn/HostConfigCache.java

   1 /*
   2  * Copyright (c) 2017 Mellanox. 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
   9 package org.opendaylight.netvirt.neutronvpn;
  10
  11 import com.google.common.base.Optional;
  12 import javax.annotation.Nonnull;
  13 import javax.inject.Inject;
  14 import javax.inject.Singleton;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  18 import org.opendaylight.genius.mdsalutil.cache.InstanceIdDataObjectCache;
  19 import org.opendaylight.infrautils.caches.CacheProvider;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.hostconfig.rev150712.hostconfig.attributes.Hostconfigs;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.hostconfig.rev150712.hostconfig.attributes.hostconfigs.Hostconfig;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.hostconfig.rev150712.hostconfig.attributes.hostconfigs.HostconfigKey;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25
  26 @Singleton
  27 public class HostConfigCache extends InstanceIdDataObjectCache<Hostconfig> {
  28     @Inject
  29     public HostConfigCache(DataBroker dataBroker, CacheProvider cacheProvider) {
  30         super(Hostconfig.class, dataBroker, LogicalDatastoreType.OPERATIONAL,
  31               InstanceIdentifier.builder(Neutron.class).child(Hostconfigs.class).child(Hostconfig.class).build(),
  32               cacheProvider);
  33     }
  34
  35     public Optional<Hostconfig> get(@Nonnull String hostId) throws ReadFailedException {
  36         InstanceIdentifier<Hostconfig> hostConfigPath = InstanceIdentifier.builder(Neutron.class)
  37                                                  .child(Hostconfigs.class)
  38                                                  .child(Hostconfig.class, new HostconfigKey(hostId, "ODL L2"))
  39                                                  .build();
  40         return get(hostConfigPath);
  41     }
  42 }