impl/src/main/java/org/opendaylight/unimgr/command/EvcDeleteCommand.java

   1 /*
   2  * Copyright (c) 2016 CableLabs 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.unimgr.command;
   9
  10 import java.util.List;
  11 import java.util.Set;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.unimgr.utils.EvcUtils;
  17 import org.opendaylight.unimgr.utils.MdsalUtils;
  18 import org.opendaylight.unimgr.utils.OvsdbUtils;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.EvcAugmentation;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.evc.UniDest;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.evc.UniSource;
  22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  23 import org.opendaylight.yangtools.yang.binding.DataObject;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25
  26 import com.google.common.base.Optional;
  27
  28 public class EvcDeleteCommand extends AbstractDeleteCommand {
  29
  30     public EvcDeleteCommand(DataBroker dataBroker,
  31             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  32         super.changes = changes;
  33         super.dataBroker = dataBroker;
  34     }
  35
  36     @Override
  37     public void execute() {
  38         Set<InstanceIdentifier<EvcAugmentation>> removedEvcs = OvsdbUtils.extractRemoved(changes,
  39                                                                                          EvcAugmentation.class);
  40         if (!removedEvcs.isEmpty()) {
  41             for (InstanceIdentifier<EvcAugmentation> removedEvcIid: removedEvcs) {
  42                 EvcAugmentation evcAugmentation = MdsalUtils.read(dataBroker,
  43                                                                    LogicalDatastoreType.OPERATIONAL,
  44                                                                    removedEvcIid);
  45                 if (evcAugmentation != null) {
  46                     List<UniSource> unisSource = evcAugmentation.getUniSource();
  47                     List<UniDest> unisDest = evcAugmentation.getUniDest();
  48                     if (unisSource != null && !unisSource.isEmpty()) {
  49                         for (UniSource source: unisSource) {
  50                             if (source != null) {
  51                                 Optional<Node> optionalSourceUniNode =
  52                                         MdsalUtils.readNode(dataBroker,
  53                                                                         LogicalDatastoreType.OPERATIONAL,
  54                                                                         source.getUni());
  55                                 EvcUtils.deleteEvcData(dataBroker, optionalSourceUniNode);
  56                             }
  57                         }
  58                     }
  59                     if (unisDest != null && !unisDest.isEmpty()) {
  60                         for (UniDest dest : unisDest) {
  61                             if (dest != null) {
  62                                 Optional<Node> optionalDestUniNode =
  63                                         MdsalUtils.readNode(dataBroker,
  64                                                                         LogicalDatastoreType.OPERATIONAL,
  65                                                                         dest.getUni());
  66                                 EvcUtils.deleteEvcData(dataBroker, optionalDestUniNode);
  67                             }
  68                         }
  69                     }
  70                 }
  71                 MdsalUtils.deleteNode(dataBroker, removedEvcIid, LogicalDatastoreType.OPERATIONAL);
  72             }
  73         }
  74     }
  75 }