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 java.net.InetAddress;
  14 import java.net.NetworkInterface;
  15 import java.util.ArrayList;
  16 import java.util.Enumeration;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.Map.Entry;
  20 import java.util.Set;
  21
  22 import org.apache.commons.lang3.math.NumberUtils;
  23 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  25 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
  26 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  27 import org.opendaylight.ovsdb.lib.notation.UUID;
  28 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  29 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  30 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  31 import org.opendaylight.ovsdb.schema.openvswitch.Controller;
  32 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  33 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
  34 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  35 import org.opendaylight.ovsdb.southbound.SouthboundUtil;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathId;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentationBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeName;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeProtocolBase;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeRef;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentationBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeExternalIds;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeExternalIdsBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeExternalIdsKey;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigs;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigsBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigsKey;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryKey;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntry;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntryBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  60 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  61 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  63 import org.opendaylight.yangtools.yang.binding.DataObject;
  64 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  65 import org.slf4j.Logger;
  66 import org.slf4j.LoggerFactory;
  67
  68 import com.google.common.base.Optional;
  69 import com.google.common.base.Preconditions;
  70 import com.google.common.net.InetAddresses;
  71
  72 public class OvsdbBridgeUpdateCommand extends AbstractTransactionCommand {
  73     private static final Logger LOG = LoggerFactory.getLogger(OvsdbBridgeUpdateCommand.class);
  74     private Map<UUID,Bridge> updatedBridgeRows;
  75     private Map<UUID, Bridge> oldBridgeRows;
  76
  77     public OvsdbBridgeUpdateCommand(OvsdbConnectionInstance key, TableUpdates updates,
  78             DatabaseSchema dbSchema) {
  79         super(key,updates,dbSchema);
  80         updatedBridgeRows = TyperUtils.extractRowsUpdated(Bridge.class, getUpdates(), getDbSchema());
  81         oldBridgeRows = TyperUtils.extractRowsOld(Bridge.class, getUpdates(), getDbSchema());
  82     }
  83
  84     @Override
  85     public void execute(ReadWriteTransaction transaction) {
  86         for (Entry<UUID, Bridge> entry : updatedBridgeRows.entrySet()) {
  87             updateBridge(transaction, entry.getValue());
  88         }
  89     }
  90
  91     private void updateBridge(ReadWriteTransaction transaction,
  92             Bridge bridge) {
  93         final InstanceIdentifier<Node> connectionIId = getOvsdbConnectionInstance().getInstanceIdentifier();
  94         Optional<Node> connection = SouthboundUtil.readNode(transaction, connectionIId);
  95         if (connection.isPresent()) {
  96             LOG.debug("Connection {} is present",connection);
  97
  98             // Update the connection node to let it know it manages this bridge
  99             Node connectionNode = buildConnectionNode(bridge);
 100             transaction.merge(LogicalDatastoreType.OPERATIONAL, connectionIId, connectionNode);
 101
 102             // Update the bridge node with whatever data we are getting
 103             InstanceIdentifier<Node> bridgeIid = getInstanceIdentifier(bridge);
 104             Node bridgeNode = buildBridgeNode(bridge);
 105             transaction.merge(LogicalDatastoreType.OPERATIONAL, bridgeIid, bridgeNode);
 106             deleteEntries(transaction, protocolEntriesToRemove(bridgeIid,bridge));
 107             deleteEntries(transaction, externalIdsToRemove(bridgeIid,bridge));
 108             deleteEntries(transaction, bridgeOtherConfigsToRemove(bridgeIid,bridge));
 109         }
 110     }
 111
 112     private <T extends DataObject> void deleteEntries(ReadWriteTransaction transaction,
 113             List<InstanceIdentifier<T>> entryIids) {
 114         for (InstanceIdentifier<T> entryIid: entryIids) {
 115             transaction.delete(LogicalDatastoreType.OPERATIONAL, entryIid);
 116         }
 117     }
 118
 119     private List<InstanceIdentifier<BridgeOtherConfigs>> bridgeOtherConfigsToRemove(
 120             InstanceIdentifier<Node> bridgeIid, Bridge bridge) {
 121         Preconditions.checkNotNull(bridgeIid);
 122         Preconditions.checkNotNull(bridge);
 123         List<InstanceIdentifier<BridgeOtherConfigs>> result = new ArrayList<>();
 124
 125         Bridge oldBridge = oldBridgeRows.get(bridge.getUuid());
 126
 127         if (oldBridge != null && oldBridge.getOtherConfigColumn() != null) {
 128             for (Entry<String, String> otherConfig:
 129                 oldBridge.getOtherConfigColumn().getData().entrySet()) {
 130                 if (bridge.getOtherConfigColumn() == null
 131                         || !bridge.getOtherConfigColumn().getData().containsKey(otherConfig.getKey())) {
 132                     InstanceIdentifier<BridgeOtherConfigs> iid = bridgeIid
 133                             .augmentation(OvsdbBridgeAugmentation.class)
 134                             .child(BridgeOtherConfigs.class,
 135                                     new BridgeOtherConfigsKey(otherConfig.getKey()));
 136                     result.add(iid);
 137                 }
 138             }
 139         }
 140         return result;
 141     }
 142
 143     private List<InstanceIdentifier<BridgeExternalIds>> externalIdsToRemove(
 144             InstanceIdentifier<Node> bridgeIid, Bridge bridge) {
 145         Preconditions.checkNotNull(bridgeIid);
 146         Preconditions.checkNotNull(bridge);
 147         List<InstanceIdentifier<BridgeExternalIds>> result = new ArrayList<>();
 148
 149         Bridge oldBridge = oldBridgeRows.get(bridge.getUuid());
 150
 151         if (oldBridge != null && oldBridge.getExternalIdsColumn() != null) {
 152             for (Entry<String, String> externalId:
 153                 oldBridge.getExternalIdsColumn().getData().entrySet()) {
 154                 if (bridge.getExternalIdsColumn() == null
 155                         || !bridge.getExternalIdsColumn().getData().containsKey(externalId.getKey())) {
 156                     InstanceIdentifier<BridgeExternalIds> iid = bridgeIid
 157                             .augmentation(OvsdbBridgeAugmentation.class)
 158                             .child(BridgeExternalIds.class,
 159                                     new BridgeExternalIdsKey(externalId.getKey()));
 160                     result.add(iid);
 161                 }
 162             }
 163         }
 164         return result;
 165     }
 166
 167     private List<InstanceIdentifier<ProtocolEntry>> protocolEntriesToRemove(
 168             InstanceIdentifier<Node> bridgeIid, Bridge bridge) {
 169         Preconditions.checkNotNull(bridgeIid);
 170         Preconditions.checkNotNull(bridge);
 171         List<InstanceIdentifier<ProtocolEntry>> result = new ArrayList<>();
 172         Bridge oldBridge = oldBridgeRows.get(bridge.getUuid());
 173
 174         try {
 175             if (oldBridge != null && oldBridge.getProtocolsColumn() != null) {
 176                 for (String protocol : oldBridge.getProtocolsColumn().getData()) {
 177                     if (bridge.getProtocolsColumn() == null || !bridge.getProtocolsColumn().getData()
 178                                 .contains(protocol)) {
 179                         Class<? extends OvsdbBridgeProtocolBase> proto = SouthboundConstants.OVSDB_PROTOCOL_MAP
 180                                 .inverse().get(protocol);
 181                         InstanceIdentifier<ProtocolEntry> iid = bridgeIid
 182                                 .augmentation(OvsdbBridgeAugmentation.class)
 183                                 .child(ProtocolEntry.class,
 184                                         new ProtocolEntryKey(proto));
 185                         result.add(iid);
 186                     }
 187                 }
 188             }
 189         } catch (SchemaVersionMismatchException e) {
 190             schemaMismatchLog("protocols", "Bridge", e);
 191         }
 192         return result;
 193     }
 194
 195     private Node buildConnectionNode(
 196             Bridge bridge) {
 197         //Update node with managed node reference
 198         NodeBuilder connectionNode = new NodeBuilder();
 199         connectionNode.setNodeId(getOvsdbConnectionInstance().getNodeId());
 200
 201         OvsdbNodeAugmentationBuilder ovsdbConnectionAugmentationBuilder = new OvsdbNodeAugmentationBuilder();
 202         List<ManagedNodeEntry> managedBridges = new ArrayList<>();
 203         InstanceIdentifier<Node> bridgeIid = SouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance(),
 204                 bridge);
 205         ManagedNodeEntry managedBridge = new ManagedNodeEntryBuilder().setBridgeRef(
 206                 new OvsdbBridgeRef(bridgeIid)).build();
 207         managedBridges.add(managedBridge);
 208         ovsdbConnectionAugmentationBuilder.setManagedNodeEntry(managedBridges);
 209
 210         connectionNode.addAugmentation(OvsdbNodeAugmentation.class, ovsdbConnectionAugmentationBuilder.build());
 211
 212         LOG.debug("Update node with bridge node ref {}",
 213                 ovsdbConnectionAugmentationBuilder.getManagedNodeEntry().iterator().next());
 214         return connectionNode.build();
 215     }
 216
 217     private Node buildBridgeNode(Bridge bridge) {
 218         NodeBuilder bridgeNodeBuilder = new NodeBuilder();
 219         NodeId bridgeNodeId = getNodeId(bridge);
 220         bridgeNodeBuilder.setNodeId(bridgeNodeId);
 221         OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder = new OvsdbBridgeAugmentationBuilder();
 222         ovsdbBridgeAugmentationBuilder.setBridgeName(new OvsdbBridgeName(bridge.getName()));
 223         ovsdbBridgeAugmentationBuilder.setBridgeUuid(new Uuid(bridge.getUuid().toString()));
 224         setDataPath(ovsdbBridgeAugmentationBuilder, bridge);
 225         setDataPathType(ovsdbBridgeAugmentationBuilder, bridge);
 226         setProtocol(ovsdbBridgeAugmentationBuilder, bridge);
 227         setExternalIds(ovsdbBridgeAugmentationBuilder, bridge);
 228         setOtherConfig(ovsdbBridgeAugmentationBuilder, bridge);
 229         setFailMode(ovsdbBridgeAugmentationBuilder, bridge);
 230         setOpenFlowNodeRef(ovsdbBridgeAugmentationBuilder, bridge);
 231         setManagedBy(ovsdbBridgeAugmentationBuilder);
 232         setAutoAttach(ovsdbBridgeAugmentationBuilder, bridge);
 233         bridgeNodeBuilder.addAugmentation(OvsdbBridgeAugmentation.class, ovsdbBridgeAugmentationBuilder.build());
 234
 235         LOG.debug("Built with the intent to store bridge data {}",
 236                 ovsdbBridgeAugmentationBuilder.build());
 237         return bridgeNodeBuilder.build();
 238     }
 239
 240     private void setAutoAttach(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 241             Bridge bridge) {
 242         try {
 243             if (bridge.getAutoAttachColumn() != null
 244                     && bridge.getAutoAttachColumn().getData() != null
 245                     && !bridge.getAutoAttachColumn().getData().isEmpty()) {
 246                 Set<UUID> uuids = bridge.getAutoAttachColumn().getData();
 247                 for (UUID uuid : uuids) {
 248                     ovsdbBridgeAugmentationBuilder.setAutoAttach(new Uuid(uuid.toString()));
 249                 }
 250             }
 251         } catch (SchemaVersionMismatchException e) {
 252             schemaMismatchLog("auto_attach", "Bridge", e);
 253         }
 254     }
 255
 256     private void setManagedBy(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder) {
 257         InstanceIdentifier<Node> connectionNodePath = getOvsdbConnectionInstance().getInstanceIdentifier();
 258         ovsdbBridgeAugmentationBuilder.setManagedBy(new OvsdbNodeRef(connectionNodePath));
 259     }
 260
 261     private void setDataPathType(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 262             Bridge bridge) {
 263         ovsdbBridgeAugmentationBuilder.setDatapathType(
 264                 SouthboundMapper.createDatapathType(bridge.getDatapathTypeColumn().getData()));
 265     }
 266
 267     private void setFailMode(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 268             Bridge bridge) {
 269         if (bridge.getFailModeColumn() != null
 270                 && bridge.getFailModeColumn().getData() != null
 271                 && !bridge.getFailModeColumn().getData().isEmpty()) {
 272             String[] failmodeArray = new String[bridge.getFailModeColumn().getData().size()];
 273             bridge.getFailModeColumn().getData().toArray(failmodeArray);
 274             ovsdbBridgeAugmentationBuilder.setFailMode(
 275                     SouthboundConstants.OVSDB_FAIL_MODE_MAP.inverse().get(failmodeArray[0]));
 276         }
 277     }
 278
 279     private void setOtherConfig(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 280             Bridge bridge) {
 281         Map<String, String> otherConfigs = bridge
 282                 .getOtherConfigColumn().getData();
 283         if (otherConfigs != null && !otherConfigs.isEmpty()) {
 284             Set<String> otherConfigKeys = otherConfigs.keySet();
 285             List<BridgeOtherConfigs> otherConfigList = new ArrayList<>();
 286             String otherConfigValue;
 287             for (String otherConfigKey : otherConfigKeys) {
 288                 otherConfigValue = otherConfigs.get(otherConfigKey);
 289                 if (otherConfigKey != null && otherConfigValue != null) {
 290                     otherConfigList.add(new BridgeOtherConfigsBuilder()
 291                             .setBridgeOtherConfigKey(otherConfigKey)
 292                             .setBridgeOtherConfigValue(otherConfigValue)
 293                             .build());
 294                 }
 295             }
 296             ovsdbBridgeAugmentationBuilder.setBridgeOtherConfigs(otherConfigList);
 297         }
 298     }
 299
 300     private void setExternalIds(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 301             Bridge bridge) {
 302         Map<String, String> externalIds = bridge.getExternalIdsColumn()
 303                 .getData();
 304         if (externalIds != null && !externalIds.isEmpty()) {
 305             Set<String> externalIdKeys = externalIds.keySet();
 306             List<BridgeExternalIds> externalIdsList = new ArrayList<>();
 307             String externalIdValue;
 308             for (String externalIdKey : externalIdKeys) {
 309                 externalIdValue = externalIds.get(externalIdKey);
 310                 if (externalIdKey != null && externalIdValue != null) {
 311                     externalIdsList.add(new BridgeExternalIdsBuilder()
 312                             .setBridgeExternalIdKey(externalIdKey)
 313                             .setBridgeExternalIdValue(externalIdValue)
 314                             .build());
 315                 }
 316             }
 317             ovsdbBridgeAugmentationBuilder.setBridgeExternalIds(externalIdsList);
 318         }
 319     }
 320
 321     private void setProtocol(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 322             Bridge bridge) {
 323         if (SouthboundMapper.createMdsalProtocols(bridge) != null
 324                 && SouthboundMapper.createMdsalProtocols(bridge).size() > 0) {
 325             ovsdbBridgeAugmentationBuilder.setProtocolEntry(SouthboundMapper.createMdsalProtocols(bridge));
 326         }
 327     }
 328
 329     private void setDataPath(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 330             Bridge bridge) {
 331         DatapathId dpid = SouthboundMapper.createDatapathId(bridge);
 332         if (dpid != null) {
 333             ovsdbBridgeAugmentationBuilder.setDatapathId(dpid);
 334         }
 335     }
 336
 337     private void setOpenFlowNodeRef(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 338             Bridge bridge) {
 339         Map<UUID, Controller> updatedControllerRows =
 340                 TyperUtils.extractRowsUpdated(Controller.class, getUpdates(), getDbSchema());
 341         LOG.debug("setOpenFlowNodeRef: updatedControllerRows: {}", updatedControllerRows);
 342         for (ControllerEntry controllerEntry: SouthboundMapper.createControllerEntries(bridge, updatedControllerRows)) {
 343             if (controllerEntry != null
 344                 && controllerEntry.isIsConnected() != null && controllerEntry.isIsConnected()) {
 345                 String [] controllerTarget = controllerEntry.getTarget().getValue().split(":");
 346                 IpAddress bridgeControllerIpAddress = null;
 347                 PortNumber bridgeControllerPortNumber = null;
 348                 for (String targetElement : controllerTarget) {
 349                     if (InetAddresses.isInetAddress(targetElement)) {
 350                         bridgeControllerIpAddress = new IpAddress(targetElement.toCharArray());
 351                         continue;
 352                     }
 353                     if (NumberUtils.isNumber(targetElement)) {
 354                         bridgeControllerPortNumber = new PortNumber(
 355                                 Integer.valueOf(String.valueOf(targetElement)));
 356                         continue;
 357                     }
 358                 }
 359                 try {
 360                     Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
 361                 networkInterfacesLoop:
 362                     while (networkInterfaces.hasMoreElements()) {
 363                         NetworkInterface networkInterface = networkInterfaces.nextElement();
 364                         Enumeration<InetAddress> networkInterfaceAddresses = networkInterface.getInetAddresses();
 365                         while (networkInterfaceAddresses.hasMoreElements()) {
 366                             InetAddress networkInterfaceAddress = networkInterfaceAddresses.nextElement();
 367                             if (bridgeControllerIpAddress.getIpv4Address().getValue()
 368                                     .equals(networkInterfaceAddress.getHostAddress())) {
 369                                 ovsdbBridgeAugmentationBuilder.setBridgeOpenflowNodeRef(
 370                                         getOvsdbConnectionInstance().getInstanceIdentifier());
 371                                 break networkInterfacesLoop;
 372                             }
 373                         }
 374                     }
 375                 } catch (Exception e) {
 376                     LOG.warn("Error getting local ip address", e);
 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 }