opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyProvider.xtend

   1 /*
   2  * Copyright (c) 2014 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.controller.sal.compatibility.topology
   9
  10 import org.opendaylight.controller.sal.binding.api.data.DataProviderService
  11 import org.opendaylight.controller.sal.topology.IPluginOutTopologyService
  12 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology
  13 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId
  14 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology
  15 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey
  16 import org.opendaylight.yangtools.yang.binding.DataObject
  17 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier
  18 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link
  19 import org.slf4j.LoggerFactory
  20 import org.opendaylight.yangtools.concepts.ListenerRegistration
  21 import org.opendaylight.controller.sal.binding.api.data.DataChangeListener
  22
  23 class TopologyProvider implements AutoCloseable{
  24     static val LOG = LoggerFactory.getLogger(TopologyProvider);
  25     TopologyCommitHandler commitHandler
  26
  27     @Property
  28     IPluginOutTopologyService topologyPublisher;
  29
  30     @Property
  31     DataProviderService dataService;
  32
  33     ListenerRegistration<DataChangeListener> listenerRegistration
  34
  35
  36     def void start() {
  37
  38     }
  39     def void startAdapter() {
  40         if(dataService == null){
  41             LOG.error("dataService not set");
  42             return;
  43         }
  44         commitHandler = new TopologyCommitHandler(dataService,topologyPublisher);
  45         val InstanceIdentifier<? extends DataObject> path = InstanceIdentifier.builder(NetworkTopology)
  46             .child(Topology,new TopologyKey(new TopologyId("flow:1")))
  47             .child(Link)
  48             .toInstance();
  49         listenerRegistration = dataService.registerDataChangeListener(path,commitHandler);
  50         LOG.info("TopologyProvider started")
  51     }
  52
  53     override close() throws Exception {
  54         listenerRegistration.close
  55     }
  56
  57     def setTopologyPublisher(IPluginOutTopologyService topologyPublisher) {
  58         _topologyPublisher = topologyPublisher;
  59         if(commitHandler != null){
  60             commitHandler.setTopologyPublisher(topologyPublisher);
  61         }
  62     }
  63
  64 }