southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/transactions/md/OvsdbBridgeUpdateCommand.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 static org.opendaylight.ovsdb.southbound.SouthboundUtil.schemaMismatchLog;
  12
  13 import com.google.common.base.Optional;
  14 import com.google.common.base.Preconditions;
  15 import com.google.common.net.InetAddresses;
  16 import java.net.InetAddress;
  17 import java.net.NetworkInterface;
  18 import java.net.SocketException;
  19 import java.util.ArrayList;
  20 import java.util.Enumeration;
  21 import java.util.List;
  22 import java.util.Map;
  23 import java.util.Map.Entry;
  24 import java.util.Set;
  25 import org.apache.commons.lang3.math.NumberUtils;
  26 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  27 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  28 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
  29 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  30 import org.opendaylight.ovsdb.lib.notation.UUID;
  31 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  32 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  33 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  34 import org.opendaylight.ovsdb.schema.openvswitch.Controller;
  35 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  36 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
  37 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  38 import org.opendaylight.ovsdb.southbound.SouthboundUtil;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathId;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentationBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeName;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeProtocolBase;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeRef;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentationBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeExternalIds;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeExternalIdsBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeExternalIdsKey;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigs;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigsBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigsKey;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryKey;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntry;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntryBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  63 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  64 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  66 import org.opendaylight.yangtools.yang.binding.DataObject;
  67 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  68 import org.slf4j.Logger;
  69 import org.slf4j.LoggerFactory;
  70
  71 public class OvsdbBridgeUpdateCommand extends AbstractTransactionCommand {
  72     private static final Logger LOG = LoggerFactory.getLogger(OvsdbBridgeUpdateCommand.class);
  73     private Map<UUID,Bridge> updatedBridgeRows;
  74     private Map<UUID, Bridge> oldBridgeRows;
  75
  76     public OvsdbBridgeUpdateCommand(OvsdbConnectionInstance key, TableUpdates updates,
  77             DatabaseSchema dbSchema) {
  78         super(key,updates,dbSchema);
  79         updatedBridgeRows = TyperUtils.extractRowsUpdated(Bridge.class, getUpdates(), getDbSchema());
  80         oldBridgeRows = TyperUtils.extractRowsOld(Bridge.class, getUpdates(), getDbSchema());
  81     }
  82
  83     @Override
  84     public void execute(ReadWriteTransaction transaction) {
  85         for (Entry<UUID, Bridge> entry : updatedBridgeRows.entrySet()) {
  86             updateBridge(transaction, entry.getValue());
  87         }
  88     }
  89
  90     private void updateBridge(ReadWriteTransaction transaction,
  91             Bridge bridge) {
  92         final InstanceIdentifier<Node> connectionIId = getOvsdbConnectionInstance().getInstanceIdentifier();
  93         Optional<Node> connection = SouthboundUtil.readNode(transaction, connectionIId);
  94         if (connection.isPresent()) {
  95             LOG.debug("Connection {} is present",connection);
  96
  97             // Update the connection node to let it know it manages this bridge
  98             Node connectionNode = buildConnectionNode(bridge);
  99             transaction.merge(LogicalDatastoreType.OPERATIONAL, connectionIId, connectionNode);
 100
 101             // Update the bridge node with whatever data we are getting
 102             InstanceIdentifier<Node> bridgeIid = getInstanceIdentifier(bridge);
 103             Node bridgeNode = buildBridgeNode(bridge);
 104             transaction.merge(LogicalDatastoreType.OPERATIONAL, bridgeIid, bridgeNode);
 105             deleteEntries(transaction, protocolEntriesToRemove(bridgeIid,bridge));
 106             deleteEntries(transaction, externalIdsToRemove(bridgeIid,bridge));
 107             deleteEntries(transaction, bridgeOtherConfigsToRemove(bridgeIid,bridge));
 108         }
 109     }
 110
 111     private <T extends DataObject> void deleteEntries(ReadWriteTransaction transaction,
 112             List<InstanceIdentifier<T>> entryIids) {
 113         for (InstanceIdentifier<T> entryIid: entryIids) {
 114             transaction.delete(LogicalDatastoreType.OPERATIONAL, entryIid);
 115         }
 116     }
 117
 118     private List<InstanceIdentifier<BridgeOtherConfigs>> bridgeOtherConfigsToRemove(
 119             InstanceIdentifier<Node> bridgeIid, Bridge bridge) {
 120         Preconditions.checkNotNull(bridgeIid);
 121         Preconditions.checkNotNull(bridge);
 122         List<InstanceIdentifier<BridgeOtherConfigs>> result = new ArrayList<>();
 123
 124         Bridge oldBridge = oldBridgeRows.get(bridge.getUuid());
 125
 126         if (oldBridge != null && oldBridge.getOtherConfigColumn() != null) {
 127             for (Entry<String, String> otherConfig:
 128                 oldBridge.getOtherConfigColumn().getData().entrySet()) {
 129                 if (bridge.getOtherConfigColumn() == null
 130                         || !bridge.getOtherConfigColumn().getData().containsKey(otherConfig.getKey())) {
 131                     InstanceIdentifier<BridgeOtherConfigs> iid = bridgeIid
 132                             .augmentation(OvsdbBridgeAugmentation.class)
 133                             .child(BridgeOtherConfigs.class,
 134                                     new BridgeOtherConfigsKey(otherConfig.getKey()));
 135                     result.add(iid);
 136                 }
 137             }
 138         }
 139         return result;
 140     }
 141
 142     private List<InstanceIdentifier<BridgeExternalIds>> externalIdsToRemove(
 143             InstanceIdentifier<Node> bridgeIid, Bridge bridge) {
 144         Preconditions.checkNotNull(bridgeIid);
 145         Preconditions.checkNotNull(bridge);
 146         List<InstanceIdentifier<BridgeExternalIds>> result = new ArrayList<>();
 147
 148         Bridge oldBridge = oldBridgeRows.get(bridge.getUuid());
 149
 150         if (oldBridge != null && oldBridge.getExternalIdsColumn() != null) {
 151             for (Entry<String, String> externalId:
 152                 oldBridge.getExternalIdsColumn().getData().entrySet()) {
 153                 if (bridge.getExternalIdsColumn() == null
 154                         || !bridge.getExternalIdsColumn().getData().containsKey(externalId.getKey())) {
 155                     InstanceIdentifier<BridgeExternalIds> iid = bridgeIid
 156                             .augmentation(OvsdbBridgeAugmentation.class)
 157                             .child(BridgeExternalIds.class,
 158                                     new BridgeExternalIdsKey(externalId.getKey()));
 159                     result.add(iid);
 160                 }
 161             }
 162         }
 163         return result;
 164     }
 165
 166     private List<InstanceIdentifier<ProtocolEntry>> protocolEntriesToRemove(
 167             InstanceIdentifier<Node> bridgeIid, Bridge bridge) {
 168         Preconditions.checkNotNull(bridgeIid);
 169         Preconditions.checkNotNull(bridge);
 170         List<InstanceIdentifier<ProtocolEntry>> result = new ArrayList<>();
 171         Bridge oldBridge = oldBridgeRows.get(bridge.getUuid());
 172
 173         try {
 174             if (oldBridge != null && oldBridge.getProtocolsColumn() != null) {
 175                 for (String protocol : oldBridge.getProtocolsColumn().getData()) {
 176                     if (bridge.getProtocolsColumn() == null || !bridge.getProtocolsColumn().getData()
 177                                 .contains(protocol)) {
 178                         Class<? extends OvsdbBridgeProtocolBase> proto = SouthboundConstants.OVSDB_PROTOCOL_MAP
 179                                 .inverse().get(protocol);
 180                         InstanceIdentifier<ProtocolEntry> iid = bridgeIid
 181                                 .augmentation(OvsdbBridgeAugmentation.class)
 182                                 .child(ProtocolEntry.class,
 183                                         new ProtocolEntryKey(proto));
 184                         result.add(iid);
 185                     }
 186                 }
 187             }
 188         } catch (SchemaVersionMismatchException e) {
 189             schemaMismatchLog("protocols", "Bridge", e);
 190         }
 191         return result;
 192     }
 193
 194     private Node buildConnectionNode(
 195             Bridge bridge) {
 196         //Update node with managed node reference
 197         NodeBuilder connectionNode = new NodeBuilder();
 198         connectionNode.setNodeId(getOvsdbConnectionInstance().getNodeId());
 199
 200         OvsdbNodeAugmentationBuilder ovsdbConnectionAugmentationBuilder = new OvsdbNodeAugmentationBuilder();
 201         List<ManagedNodeEntry> managedBridges = new ArrayList<>();
 202         InstanceIdentifier<Node> bridgeIid = SouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance(),
 203                 bridge);
 204         ManagedNodeEntry managedBridge = new ManagedNodeEntryBuilder().setBridgeRef(
 205                 new OvsdbBridgeRef(bridgeIid)).build();
 206         managedBridges.add(managedBridge);
 207         ovsdbConnectionAugmentationBuilder.setManagedNodeEntry(managedBridges);
 208
 209         connectionNode.addAugmentation(OvsdbNodeAugmentation.class, ovsdbConnectionAugmentationBuilder.build());
 210
 211         LOG.debug("Update node with bridge node ref {}",
 212                 ovsdbConnectionAugmentationBuilder.getManagedNodeEntry().iterator().next());
 213         return connectionNode.build();
 214     }
 215
 216     private Node buildBridgeNode(Bridge bridge) {
 217         NodeBuilder bridgeNodeBuilder = new NodeBuilder();
 218         NodeId bridgeNodeId = getNodeId(bridge);
 219         bridgeNodeBuilder.setNodeId(bridgeNodeId);
 220         OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder = new OvsdbBridgeAugmentationBuilder();
 221         ovsdbBridgeAugmentationBuilder.setBridgeName(new OvsdbBridgeName(bridge.getName()));
 222         ovsdbBridgeAugmentationBuilder.setBridgeUuid(new Uuid(bridge.getUuid().toString()));
 223         setDataPath(ovsdbBridgeAugmentationBuilder, bridge);
 224         setDataPathType(ovsdbBridgeAugmentationBuilder, bridge);
 225         setProtocol(ovsdbBridgeAugmentationBuilder, bridge);
 226         setExternalIds(ovsdbBridgeAugmentationBuilder, bridge);
 227         setOtherConfig(ovsdbBridgeAugmentationBuilder, bridge);
 228         setFailMode(ovsdbBridgeAugmentationBuilder, bridge);
 229         setOpenFlowNodeRef(ovsdbBridgeAugmentationBuilder, bridge);
 230         setManagedBy(ovsdbBridgeAugmentationBuilder);
 231         setAutoAttach(ovsdbBridgeAugmentationBuilder, bridge);
 232         bridgeNodeBuilder.addAugmentation(OvsdbBridgeAugmentation.class, ovsdbBridgeAugmentationBuilder.build());
 233
 234         LOG.debug("Built with the intent to store bridge data {}",
 235                 ovsdbBridgeAugmentationBuilder.build());
 236         return bridgeNodeBuilder.build();
 237     }
 238
 239     private void setAutoAttach(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 240             Bridge bridge) {
 241         try {
 242             if (bridge.getAutoAttachColumn() != null
 243                     && bridge.getAutoAttachColumn().getData() != null
 244                     && !bridge.getAutoAttachColumn().getData().isEmpty()) {
 245                 Set<UUID> uuids = bridge.getAutoAttachColumn().getData();
 246                 for (UUID uuid : uuids) {
 247                     ovsdbBridgeAugmentationBuilder.setAutoAttach(new Uuid(uuid.toString()));
 248                 }
 249             }
 250         } catch (SchemaVersionMismatchException e) {
 251             schemaMismatchLog("auto_attach", "Bridge", e);
 252         }
 253     }
 254
 255     private void setManagedBy(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder) {
 256         InstanceIdentifier<Node> connectionNodePath = getOvsdbConnectionInstance().getInstanceIdentifier();
 257         ovsdbBridgeAugmentationBuilder.setManagedBy(new OvsdbNodeRef(connectionNodePath));
 258     }
 259
 260     private void setDataPathType(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 261             Bridge bridge) {
 262         ovsdbBridgeAugmentationBuilder.setDatapathType(
 263                 SouthboundMapper.createDatapathType(bridge.getDatapathTypeColumn().getData()));
 264     }
 265
 266     private void setFailMode(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 267             Bridge bridge) {
 268         if (bridge.getFailModeColumn() != null
 269                 && bridge.getFailModeColumn().getData() != null
 270                 && !bridge.getFailModeColumn().getData().isEmpty()) {
 271             String[] failmodeArray = new String[bridge.getFailModeColumn().getData().size()];
 272             bridge.getFailModeColumn().getData().toArray(failmodeArray);
 273             ovsdbBridgeAugmentationBuilder.setFailMode(
 274                     SouthboundConstants.OVSDB_FAIL_MODE_MAP.inverse().get(failmodeArray[0]));
 275         }
 276     }
 277
 278     private void setOtherConfig(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 279             Bridge bridge) {
 280         Map<String, String> otherConfigs = bridge
 281                 .getOtherConfigColumn().getData();
 282         if (otherConfigs != null && !otherConfigs.isEmpty()) {
 283             Set<String> otherConfigKeys = otherConfigs.keySet();
 284             List<BridgeOtherConfigs> otherConfigList = new ArrayList<>();
 285             String otherConfigValue;
 286             for (String otherConfigKey : otherConfigKeys) {
 287                 otherConfigValue = otherConfigs.get(otherConfigKey);
 288                 if (otherConfigKey != null && otherConfigValue != null) {
 289                     otherConfigList.add(new BridgeOtherConfigsBuilder()
 290                             .setBridgeOtherConfigKey(otherConfigKey)
 291                             .setBridgeOtherConfigValue(otherConfigValue)
 292                             .build());
 293                 }
 294             }
 295             ovsdbBridgeAugmentationBuilder.setBridgeOtherConfigs(otherConfigList);
 296         }
 297     }
 298
 299     private void setExternalIds(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 300             Bridge bridge) {
 301         Map<String, String> externalIds = bridge.getExternalIdsColumn()
 302                 .getData();
 303         if (externalIds != null && !externalIds.isEmpty()) {
 304             Set<String> externalIdKeys = externalIds.keySet();
 305             List<BridgeExternalIds> externalIdsList = new ArrayList<>();
 306             String externalIdValue;
 307             for (String externalIdKey : externalIdKeys) {
 308                 externalIdValue = externalIds.get(externalIdKey);
 309                 if (externalIdKey != null && externalIdValue != null) {
 310                     externalIdsList.add(new BridgeExternalIdsBuilder()
 311                             .setBridgeExternalIdKey(externalIdKey)
 312                             .setBridgeExternalIdValue(externalIdValue)
 313                             .build());
 314                 }
 315             }
 316             ovsdbBridgeAugmentationBuilder.setBridgeExternalIds(externalIdsList);
 317         }
 318     }
 319
 320     private void setProtocol(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 321             Bridge bridge) {
 322         if (SouthboundMapper.createMdsalProtocols(bridge) != null
 323                 && SouthboundMapper.createMdsalProtocols(bridge).size() > 0) {
 324             ovsdbBridgeAugmentationBuilder.setProtocolEntry(SouthboundMapper.createMdsalProtocols(bridge));
 325         }
 326     }
 327
 328     private void setDataPath(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 329             Bridge bridge) {
 330         DatapathId dpid = SouthboundMapper.createDatapathId(bridge);
 331         if (dpid != null) {
 332             ovsdbBridgeAugmentationBuilder.setDatapathId(dpid);
 333         }
 334     }
 335
 336     private void setOpenFlowNodeRef(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 337             Bridge bridge) {
 338         Map<UUID, Controller> updatedControllerRows =
 339                 TyperUtils.extractRowsUpdated(Controller.class, getUpdates(), getDbSchema());
 340         LOG.debug("setOpenFlowNodeRef: updatedControllerRows: {}", updatedControllerRows);
 341         for (ControllerEntry controllerEntry: SouthboundMapper.createControllerEntries(bridge, updatedControllerRows)) {
 342             if (controllerEntry != null
 343                 && controllerEntry.isIsConnected() != null && controllerEntry.isIsConnected()) {
 344                 String [] controllerTarget = controllerEntry.getTarget().getValue().split(":");
 345                 IpAddress bridgeControllerIpAddress = null;
 346                 PortNumber bridgeControllerPortNumber = null;
 347                 for (String targetElement : controllerTarget) {
 348                     if (InetAddresses.isInetAddress(targetElement)) {
 349                         bridgeControllerIpAddress = new IpAddress(targetElement.toCharArray());
 350                         continue;
 351                     }
 352                     if (NumberUtils.isNumber(targetElement)) {
 353                         bridgeControllerPortNumber = new PortNumber(
 354                                 Integer.valueOf(String.valueOf(targetElement)));
 355                         continue;
 356                     }
 357                 }
 358                 try {
 359                     Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
 360                 networkInterfacesLoop:
 361                     while (networkInterfaces.hasMoreElements()) {
 362                         NetworkInterface networkInterface = networkInterfaces.nextElement();
 363                         Enumeration<InetAddress> networkInterfaceAddresses = networkInterface.getInetAddresses();
 364                         while (networkInterfaceAddresses.hasMoreElements()) {
 365                             InetAddress networkInterfaceAddress = networkInterfaceAddresses.nextElement();
 366                             if (bridgeControllerIpAddress.getIpv4Address().getValue()
 367                                     .equals(networkInterfaceAddress.getHostAddress())) {
 368                                 ovsdbBridgeAugmentationBuilder.setBridgeOpenflowNodeRef(
 369                                         getOvsdbConnectionInstance().getInstanceIdentifier());
 370                                 break networkInterfacesLoop;
 371                             }
 372                         }
 373                     }
 374                 } catch (SocketException e) {
 375                     LOG.warn("Error getting local ip address", e);
 376                 }
 377             }
 378         }
 379     }
 380
 381     private InstanceIdentifier<Node> getInstanceIdentifier(Bridge bridge) {
 382         return SouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance(),
 383                 bridge);
 384     }
 385
 386     private NodeId getNodeId(Bridge bridge) {
 387         NodeKey nodeKey = getInstanceIdentifier(bridge).firstKeyOf(Node.class, NodeKey.class);
 388         return nodeKey.getNodeId();
 389     }
 390 }