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.UnimgrConstants;
  16 import org.opendaylight.unimgr.impl.UnimgrMapper;
  17 import org.opendaylight.unimgr.impl.UnimgrUtils;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.UniAugmentation;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  22 import org.opendaylight.yangtools.yang.binding.DataObject;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 import com.google.common.base.Optional;
  28
  29 public class UniDeleteCommand extends AbstractDeleteCommand {
  30
  31     private static final Logger LOG = LoggerFactory.getLogger(UniDeleteCommand.class);
  32
  33     public UniDeleteCommand(DataBroker dataBroker,
  34             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  35         super.changes = changes;
  36         super.dataBroker = dataBroker;
  37     }
  38
  39     @Override
  40     public void execute() {
  41         Set<InstanceIdentifier<UniAugmentation>> removedUnis = UnimgrUtils.extractRemoved(changes,
  42                                                                                           UniAugmentation.class);
  43         if (!removedUnis.isEmpty()) {
  44             for (InstanceIdentifier<UniAugmentation> removedUniIid: removedUnis) {
  45                 UniAugmentation uniAugmentation = UnimgrUtils.read(dataBroker,
  46                                                                    LogicalDatastoreType.OPERATIONAL,
  47                                                                    removedUniIid);
  48                 if (uniAugmentation != null) {
  49                     OvsdbNodeRef ovsNodedRef = uniAugmentation.getOvsdbNodeRef();
  50                     InstanceIdentifier<Node> ovsdbNodeIid = ovsNodedRef.getValue().firstIdentifierOf(Node.class);
  51                     Optional<Node> optionalNode = UnimgrUtils.readNode(dataBroker,
  52                                                                        LogicalDatastoreType.OPERATIONAL,
  53                                                                        ovsdbNodeIid);
  54                     if (optionalNode.isPresent()) {
  55                         LOG.info("Delete bride node");
  56                         Node ovsdbNode = optionalNode.get();
  57                         InstanceIdentifier<Node> bridgeIid = UnimgrMapper.getOvsdbBridgeNodeIid(ovsdbNode);
  58                         Optional<Node> optBridgeNode = UnimgrUtils.readNode(dataBroker, bridgeIid);
  59                         if (optBridgeNode.isPresent()) {
  60                             Node bridgeNode = optBridgeNode.get();
  61                             InstanceIdentifier<TerminationPoint> iidTermPoint = UnimgrMapper.getTerminationPointIid(bridgeNode,
  62                                                                                             UnimgrConstants.DEFAULT_BRIDGE_NAME);
  63                             UnimgrUtils.deleteNode(dataBroker, iidTermPoint, LogicalDatastoreType.CONFIGURATION);
  64                         }
  65                         UnimgrUtils.deleteNode(dataBroker, bridgeIid, LogicalDatastoreType.CONFIGURATION);
  66                     }
  67                     InstanceIdentifier<Node> iidUni = UnimgrMapper.getUniIid(dataBroker, uniAugmentation.getIpAddress(),
  68                                                                              LogicalDatastoreType.OPERATIONAL);
  69                     if (iidUni != null)
  70                         UnimgrUtils.deleteNode(dataBroker, iidUni, LogicalDatastoreType.OPERATIONAL);
  71                 }
  72                 else {
  73                     LOG.info("Received Uni Augmentation is null", removedUniIid);
  74                 }
  75             }
  76         }
  77     }
  78 }