elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/utils/ElanEtreeUtils.java

   1 /*
   2  * Copyright © 2017 Red Hat, Inc. and others.
   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.elan.utils;
   9
  10 import com.google.common.base.Optional;
  11 import javax.inject.Inject;
  12 import javax.inject.Singleton;
  13 import org.eclipse.jdt.annotation.Nullable;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.etree.rev160614.EtreeLeafTagName;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.tag.name.map.ElanTagName;
  18 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  19
  20 @Singleton
  21 public class ElanEtreeUtils {
  22     private final DataBroker broker;
  23
  24     @Inject
  25     public ElanEtreeUtils(DataBroker broker) {
  26         this.broker = broker;
  27     }
  28
  29     @Nullable
  30     public EtreeLeafTagName getEtreeLeafTagByElanTag(long elanTag) {
  31         InstanceIdentifier<ElanTagName> elanId = ElanUtils.getElanInfoEntriesOperationalDataPath(elanTag);
  32         Optional<ElanTagName> existingElanInfo = ElanUtils.read(broker,
  33                 LogicalDatastoreType.OPERATIONAL, elanId);
  34         if (existingElanInfo.isPresent()) {
  35             ElanTagName elanTagName = existingElanInfo.get();
  36             return elanTagName.augmentation(EtreeLeafTagName.class);
  37         }
  38         return null;
  39     }
  40 }