southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/transactions/md/OvsdbNodeRemoveCommand.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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.ovsdb.southbound.transactions.md;
  10
  11 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  13 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  14 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  15 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  16 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntry;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 import com.google.common.base.Optional;
  24 import com.google.common.util.concurrent.CheckedFuture;
  25
  26 public class OvsdbNodeRemoveCommand extends AbstractTransactionCommand {
  27     private static final Logger LOG = LoggerFactory.getLogger(OvsdbNodeRemoveCommand.class);
  28
  29     public OvsdbNodeRemoveCommand(OvsdbConnectionInstance key,TableUpdates updates,DatabaseSchema dbSchema) {
  30         super(key,updates,dbSchema);
  31     }
  32
  33     @Override
  34     public void execute(ReadWriteTransaction transaction) {
  35         CheckedFuture<Optional<Node>, ReadFailedException> ovsdbNodeFuture = transaction.read(
  36                 LogicalDatastoreType.OPERATIONAL, getOvsdbConnectionInstance().getInstanceIdentifier());
  37         Optional<Node> ovsdbNodeOptional;
  38         try {
  39             ovsdbNodeOptional = ovsdbNodeFuture.get();
  40             if (ovsdbNodeOptional.isPresent()) {
  41                 Node ovsdbNode = ovsdbNodeOptional.get();
  42                 OvsdbNodeAugmentation ovsdbNodeAugmentation = ovsdbNode.getAugmentation(OvsdbNodeAugmentation.class);
  43                 if (ovsdbNodeAugmentation != null) {
  44                     if (ovsdbNodeAugmentation.getManagedNodeEntry() != null) {
  45                         for (ManagedNodeEntry managedNode : ovsdbNodeAugmentation.getManagedNodeEntry()) {
  46                             transaction.delete(LogicalDatastoreType.OPERATIONAL, managedNode.getBridgeRef().getValue());
  47                         }
  48                     } else {
  49                         LOG.debug("{} had no managed nodes", ovsdbNode.getNodeId().getValue());
  50                     }
  51                 } else {
  52                     LOG.warn("{} had no OvsdbNodeAugmentation", ovsdbNode.getNodeId().getValue());
  53                 }
  54                 transaction.delete(LogicalDatastoreType.OPERATIONAL,
  55                         getOvsdbConnectionInstance().getInstanceIdentifier());
  56             }
  57         } catch (Exception e) {
  58             LOG.warn("Failure to delete ovsdbNode {}",e);
  59         }
  60     }
  61
  62 }