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

   1 /*
   2  * Copyright (c) 2015 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.Set;
  11
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.unimgr.impl.UnimgrMapper;
  16 import org.opendaylight.unimgr.impl.UnimgrUtils;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.UniAugmentation;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  20 import org.opendaylight.yangtools.yang.binding.DataObject;
  21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 import com.google.common.base.Optional;
  26
  27 public class UniDeleteCommand extends AbstractDeleteCommand {
  28
  29     private static final Logger LOG = LoggerFactory.getLogger(UniDeleteCommand.class);
  30
  31     public UniDeleteCommand(DataBroker dataBroker,
  32             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  33         super.changes = changes;
  34         super.dataBroker = dataBroker;
  35     }
  36
  37     @Override
  38     public void execute() {
  39         Set<InstanceIdentifier<UniAugmentation>> removedUnis = UnimgrUtils.extractRemoved(changes,
  40                                                                                           UniAugmentation.class);
  41         if (!removedUnis.isEmpty()) {
  42             for (InstanceIdentifier<UniAugmentation> removedUniIid: removedUnis) {
  43                 UniAugmentation uniAugmentation = UnimgrUtils.read(dataBroker,
  44                                                                    LogicalDatastoreType.OPERATIONAL,
  45                                                                    removedUniIid);
  46                 if(uniAugmentation != null) {
  47                     OvsdbNodeRef ovsNodedRef = uniAugmentation.getOvsdbNodeRef();
  48                     InstanceIdentifier<Node> ovsdbNodeIid = ovsNodedRef.getValue().firstIdentifierOf(Node.class);
  49                     Optional<Node> optionalNode = UnimgrUtils.readNode(dataBroker,
  50                                                                        LogicalDatastoreType.OPERATIONAL,
  51                                                                        ovsdbNodeIid);
  52                     if (optionalNode.isPresent()) {
  53                         Node ovsdbNode = optionalNode.get();
  54                         InstanceIdentifier<Node> bridgeIid = UnimgrMapper.getOvsdbBridgeNodeIid(ovsdbNode);
  55                             UnimgrUtils.deleteNode(dataBroker,
  56                                                    bridgeIid,
  57                                                    LogicalDatastoreType.CONFIGURATION);
  58                     }
  59                     InstanceIdentifier<Node> iidUni = UnimgrMapper.getUniIid(dataBroker, uniAugmentation.getIpAddress(), LogicalDatastoreType.OPERATIONAL);
  60                     UnimgrUtils.deleteNode(dataBroker, iidUni, LogicalDatastoreType.OPERATIONAL);
  61                 }
  62                 else {
  63                     LOG.info("Received Uni Augmentation is null", removedUniIid);
  64                 }
  65             }
  66         }
  67     }
  68 }