1 package org.opendaylight.groupbasedpolicy.renderer.ofoverlay.node;
3 import static com.google.common.base.Preconditions.checkNotNull;
5 import java.util.Map.Entry;
7 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
8 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
9 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
10 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
11 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
12 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
13 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
17 import org.opendaylight.yangtools.concepts.ListenerRegistration;
18 import org.opendaylight.yangtools.yang.binding.DataObject;
19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
23 public class FlowCapableNodeListener implements DataChangeListener, AutoCloseable {
25 private static final Logger LOG = LoggerFactory.getLogger(FlowCapableNodeListener.class);
27 private final static InstanceIdentifier<FlowCapableNode> fcNodeIid = InstanceIdentifier.builder(Nodes.class)
29 .augmentation(FlowCapableNode.class)
31 private final SwitchManager switchManager;
32 private final ListenerRegistration<DataChangeListener> listenerRegistration;
34 public FlowCapableNodeListener(DataBroker dataProvider, SwitchManager switchManager) {
35 this.switchManager = checkNotNull(switchManager);
36 listenerRegistration = checkNotNull(dataProvider).registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
37 fcNodeIid, this, DataChangeScope.BASE);
41 public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
42 for (Entry<InstanceIdentifier<?>, DataObject> fcNodeEntry : change.getCreatedData().entrySet()) {
43 if (FlowCapableNode.class.equals(fcNodeEntry.getKey().getTargetType())) {
44 NodeId nodeId = fcNodeEntry.getKey().firstKeyOf(Node.class, NodeKey.class).getId();
45 FlowCapableNode fcNode = (FlowCapableNode) fcNodeEntry.getValue();
46 LOG.trace("FlowCapableNode created. NodeId: {} FlowCapableNode: {}", nodeId.getValue(), fcNode);
47 switchManager.updateSwitch(nodeId, fcNode);
50 for (Entry<InstanceIdentifier<?>, DataObject> fcNodeEntry : change.getUpdatedData().entrySet()) {
51 if (FlowCapableNode.class.equals(fcNodeEntry.getKey().getTargetType())) {
52 NodeId nodeId = fcNodeEntry.getKey().firstKeyOf(Node.class, NodeKey.class).getId();
53 FlowCapableNode fcNode = (FlowCapableNode) fcNodeEntry.getValue();
54 LOG.trace("FlowCapableNode updated. NodeId: {} FlowCapableNode: {}", nodeId.getValue(), fcNode);
55 switchManager.updateSwitch(nodeId, fcNode);
58 for (InstanceIdentifier<?> removedFcNodeIid : change.getRemovedPaths()) {
59 if (FlowCapableNode.class.equals(removedFcNodeIid.getTargetType())) {
60 NodeId nodeId = removedFcNodeIid.firstKeyOf(Node.class, NodeKey.class).getId();
61 LOG.trace("FlowCapableNode removed. NodeId: {}", nodeId.getValue());
62 switchManager.updateSwitch(nodeId, null);
68 public void close() throws Exception {
69 if (listenerRegistration != null) {
70 listenerRegistration.close();