applications/topology-manager/src/main/java/org/opendaylight/openflowplugin/applications/topology/manager/TopologyManagerUtil.java

   1 /*
   2  * Copyright (c) 2015, 2017 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 package org.opendaylight.openflowplugin.applications.topology.manager;
   9
  10 import java.util.Optional;
  11 import java.util.concurrent.ExecutionException;
  12 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  13 import org.opendaylight.openflowplugin.common.txchain.TransactionChainManager;
  14 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  15 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  16 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  17 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  18 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 final class TopologyManagerUtil {
  23     private static final Logger LOG = LoggerFactory.getLogger(TopologyManagerUtil.class);
  24
  25     private TopologyManagerUtil() {
  26         // Hidden on purpose
  27     }
  28
  29     static void removeAffectedLinks(final NodeId id, final TransactionChainManager manager,
  30                                     final InstanceIdentifier<Topology> topology) {
  31         final Optional<Topology> topologyOptional;
  32         try {
  33             topologyOptional = manager.readFromTransaction(LogicalDatastoreType.OPERATIONAL, topology).get();
  34         } catch (InterruptedException | ExecutionException e) {
  35             LOG.warn("Error reading topology data for topology {}: {}", topology, e.getMessage());
  36             LOG.debug("Error reading topology data for topology.. ", e);
  37             return;
  38         }
  39         if (topologyOptional.isPresent()) {
  40             for (Link link : topologyOptional.orElseThrow().nonnullLink().values()) {
  41                 if (id.equals(link.getSource().getSourceNode()) || id.equals(link.getDestination().getDestNode())) {
  42                     manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL, linkPath(link, topology));
  43                 }
  44             }
  45         }
  46     }
  47
  48     static void removeAffectedLinks(final TpId id, final TransactionChainManager manager,
  49                                     final InstanceIdentifier<Topology> topology) {
  50         final Optional<Topology> topologyOptional;
  51         try {
  52             topologyOptional = manager.readFromTransaction(LogicalDatastoreType.OPERATIONAL, topology).get();
  53         } catch (InterruptedException | ExecutionException e) {
  54             LOG.warn("Error reading topology data for topology {}: {}", topology, e.getMessage());
  55             LOG.debug("Error reading topology data for topology..", e);
  56             return;
  57         }
  58         if (topologyOptional.isPresent()) {
  59             for (Link link : topologyOptional.orElseThrow().nonnullLink().values()) {
  60                 if (id.equals(link.getSource().getSourceTp()) || id.equals(link.getDestination().getDestTp())) {
  61                     manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL, linkPath(link, topology));
  62                 }
  63             }
  64         }
  65     }
  66
  67     static InstanceIdentifier<Link> linkPath(final Link link, final InstanceIdentifier<Topology> topology) {
  68         return topology.child(Link.class, link.key());
  69     }
  70 }