+package org.opendaylight.controller.sal.compatibility.topology
+
+import com.google.common.collect.FluentIterable
+import java.util.concurrent.CopyOnWriteArrayList
+import org.opendaylight.controller.md.sal.binding.util.TypeSafeDataReader
+import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler
+import org.opendaylight.controller.md.sal.common.api.data.DataModification
+import org.opendaylight.controller.sal.binding.api.data.DataProviderService
+import org.opendaylight.controller.sal.core.UpdateType
+import org.opendaylight.controller.sal.topology.IPluginOutTopologyService
+import org.opendaylight.controller.sal.topology.TopoEdgeUpdate
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev130712.NetworkTopology
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev130712.TopologyId
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev130712.network.topology.Topology
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev130712.network.topology.TopologyKey
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev130712.network.topology.topology.Link
+import org.opendaylight.yangtools.yang.binding.DataObject
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier
+import static extension org.opendaylight.controller.sal.compatibility.topology.TopologyMapping.*
+import org.slf4j.LoggerFactory
+
+class TopologyCommitHandler implements DataCommitHandler<InstanceIdentifier<? extends DataObject>, DataObject> {
+ static val LOG = LoggerFactory.getLogger(TopologyCommitHandler);
+ @Property
+ IPluginOutTopologyService topologyPublisher;
+
+ @Property
+ DataProviderService dataService;
+
+ new(DataProviderService dataService) {
+ _topologyPublisher = topologyPublisher
+ _dataService = dataService
+ }
+
+ override requestCommit(DataModification<InstanceIdentifier<? extends DataObject>, DataObject> modification) {
+ val msg = new CopyOnWriteArrayList<TopoEdgeUpdate>()
+ try {
+ val reader = TypeSafeDataReader.forReader(dataService)
+ val topologyPath = InstanceIdentifier.builder(NetworkTopology).child(Topology, new TopologyKey(new TopologyId("flow:1"))).toInstance
+ val topology = reader.readOperationalData(topologyPath)
+ val adds = FluentIterable.from(modification.createdOperationalData.entrySet)
+ .filter[value instanceof Link]
+ .transform[(value as Link).toAdEdge(topology).toTopoEdgeUpdate(UpdateType.ADDED)]
+ .toList
+ val updates = FluentIterable.from(modification.updatedOperationalData.entrySet)
+ .filter[!modification.createdOperationalData.containsKey(key) && (value instanceof Link)]
+ .transform[(value as Link).toAdEdge(topology).toTopoEdgeUpdate(UpdateType.ADDED)] // Evidently the ADSAL does not expect edge 'CHANGED"
+ .toList
+ val removes = FluentIterable.from(modification.removedOperationalData)
+ .transform[reader.readOperationalData(it as InstanceIdentifier<DataObject>)]
+ .filter[it instanceof Link]
+ .transform[(it as Link).toAdEdge(topology).toTopoEdgeUpdate(UpdateType.REMOVED)]
+ .toList
+ msg.addAll(adds)
+ msg.addAll(updates)
+ msg.addAll(removes)
+ } catch (Exception e) {
+ LOG.error("Exception caught",e)
+ }
+ return new TopologyTransaction(modification,topologyPublisher,dataService,msg)
+ }
+}
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