hwvtepsouthbound/hwvtepsouthbound-impl/src/main/java/org/opendaylight/ovsdb/hwvtepsouthbound/transact/HwvtepOperationalState.java

   1 /*
   2  * Copyright (c) 2015, 2017 China Telecom Beijing Research Institute 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.hwvtepsouthbound.transact;
  10
  11 import com.google.common.base.Preconditions;
  12 import java.util.Collection;
  13 import java.util.Collections;
  14 import java.util.HashMap;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.Map.Entry;
  18 import java.util.Optional;
  19 import java.util.Set;
  20 import java.util.concurrent.ConcurrentHashMap;
  21 import org.apache.commons.lang3.tuple.Pair;
  22 import org.opendaylight.mdsal.binding.api.DataBroker;
  23 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  24 import org.opendaylight.mdsal.binding.api.ReadWriteTransaction;
  25 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  26 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionInstance;
  27 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepDeviceInfo;
  28 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
  29 import org.opendaylight.ovsdb.lib.notation.UUID;
  30 import org.opendaylight.ovsdb.utils.mdsal.utils.MdsalUtils;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.EncapsulationTypeBase;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepNodeName;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalLocatorAugmentation;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.Acls;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalMcastMacs;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalMcastMacsKey;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalUcastMacs;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalUcastMacsKey;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalRouters;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalRoutersKey;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitchesKey;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteMcastMacs;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteMcastMacsKey;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteUcastMacs;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteUcastMacsKey;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.Switches;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.Tunnels;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelsKey;
  54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  55 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  57 import org.opendaylight.yangtools.yang.binding.Identifiable;
  58 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  59 import org.slf4j.Logger;
  60 import org.slf4j.LoggerFactory;
  61
  62 //TODO: need to be optimized, get entry by iid not name
  63 public class HwvtepOperationalState {
  64
  65     private static final Logger LOG = LoggerFactory.getLogger(HwvtepOperationalState.class);
  66
  67     private final Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<>();
  68     private ReadWriteTransaction transaction;
  69     HashMap<InstanceIdentifier<TerminationPoint>, UUID> inflightLocators = new HashMap<>();
  70     private final HwvtepDeviceInfo deviceInfo;
  71     private final HwvtepConnectionInstance connectionInstance;
  72     private final Map<Class<? extends Identifiable>, Map<InstanceIdentifier, UUID>> currentTxUUIDs =
  73             new ConcurrentHashMap<>();
  74     private final Map<Class<? extends Identifiable>, Map<InstanceIdentifier, Boolean>> currentTxDeletedKeys =
  75             new ConcurrentHashMap<>();
  76
  77     /* stores the modified and deleted data for each child type of each node id
  78        Map<nodeid , Pair < updated, deleted >
  79        each updated/ deleted contains Map < child type, List<ChildData>>
  80        child type is the child of hwvtep Global augmentation
  81      */
  82     private Map<InstanceIdentifier<Node>,
  83             Pair<Map<Class<? extends Identifiable>, List<Identifiable>>,
  84                     Map<Class<? extends Identifiable>, List<Identifiable>>>> modifiedData = new HashMap<>();
  85     private boolean inReconciliation = false;
  86     private final DataBroker db;
  87     private final Collection<DataTreeModification<Node>> changes;
  88     long transactionId = 0;
  89
  90     public HwvtepOperationalState(final DataBroker db, final HwvtepConnectionInstance connectionInstance,
  91                                   final Collection<DataTreeModification<Node>> changes) {
  92         this.connectionInstance = connectionInstance;
  93         this.deviceInfo = connectionInstance.getDeviceInfo();
  94         this.db = db;
  95         this.changes = changes;
  96         this.transaction = db.newReadWriteTransaction();
  97     }
  98
  99     public HwvtepOperationalState(final HwvtepConnectionInstance connectionInstance) {
 100         this.connectionInstance = connectionInstance;
 101         this.deviceInfo = connectionInstance.getDeviceInfo();
 102         this.db = connectionInstance.getDataBroker();
 103         this.changes = null;
 104         transaction = connectionInstance.getDataBroker().newReadWriteTransaction();
 105         Optional<Node> readNode = new MdsalUtils(db).readOptional(LogicalDatastoreType.OPERATIONAL,
 106                 connectionInstance.getInstanceIdentifier());
 107         if (readNode.isPresent()) {
 108             operationalNodes.put(connectionInstance.getInstanceIdentifier(), readNode.get());
 109         }
 110     }
 111
 112     public HwvtepOperationalState(final DataBroker db,
 113                                   final HwvtepConnectionInstance connectionInstance,
 114                                   final Collection<DataTreeModification<Node>> changes,
 115                                   final Node globalOperNode,
 116                                   final Node psNode) {
 117         this(db, connectionInstance, changes);
 118         operationalNodes.put(connectionInstance.getInstanceIdentifier(), globalOperNode);
 119         HwvtepGlobalAugmentation globalAugmentation = globalOperNode.augmentation(HwvtepGlobalAugmentation.class);
 120         if (globalAugmentation != null) {
 121             if (!HwvtepSouthboundUtil.isEmptyMap(globalAugmentation.getSwitches())) {
 122                 operationalNodes.put((InstanceIdentifier<Node>)
 123                         globalAugmentation.getSwitches().values().iterator().next().getSwitchRef().getValue(), psNode);
 124             }
 125         }
 126     }
 127
 128     public void readOperationalNodes() {
 129         if (inReconciliation) {
 130             return;
 131         }
 132         if (changes == null) {
 133             LOG.warn("Could not read operational nodes for {} as changes is",
 134                     connectionInstance.getNodeId().getValue());
 135             return;
 136         }
 137         Map<InstanceIdentifier<Node>, Node> nodeCreateOrUpdate =
 138                 TransactUtils.extractCreatedOrUpdatedOrRemoved(changes, Node.class);
 139         if (nodeCreateOrUpdate != null) {
 140             transaction = db.newReadWriteTransaction();
 141             for (Entry<InstanceIdentifier<Node>, Node> entry: nodeCreateOrUpdate.entrySet()) {
 142                 Optional<Node> readNode = new MdsalUtils(db).readOptional(LogicalDatastoreType.OPERATIONAL,
 143                         entry.getKey());
 144                 //add related globalNode or physicalSwitchNode to operationalNodes map
 145                 //for example, when creating physical port, logical switch is needed
 146                 //but logical switch is in HwvtepGlobalAugmentation rather than PhysicalSwitchAugmentation
 147                 if (readNode.isPresent()) {
 148                     operationalNodes.put(entry.getKey(), readNode.get());
 149                     HwvtepGlobalAugmentation hgAugmentation =
 150                             readNode.get().augmentation(HwvtepGlobalAugmentation.class);
 151                     PhysicalSwitchAugmentation psAugmentation =
 152                             readNode.get().augmentation(PhysicalSwitchAugmentation.class);
 153                     if (hgAugmentation != null && hgAugmentation.getSwitches() != null) {
 154                         for (Switches pswitch : hgAugmentation.getSwitches().values()) {
 155                             @SuppressWarnings("unchecked")
 156                             InstanceIdentifier<Node> psNodeIid =
 157                                     (InstanceIdentifier<Node>) pswitch.getSwitchRef().getValue();
 158                             Optional<Node> psNode =
 159                                 new MdsalUtils(db).readOptional(LogicalDatastoreType.OPERATIONAL, psNodeIid);
 160                             if (psNode.isPresent()) {
 161                                 operationalNodes.put(psNodeIid, psNode.get());
 162                             }
 163                         }
 164                     }
 165                     if (psAugmentation != null) {
 166                         @SuppressWarnings("unchecked")
 167                         InstanceIdentifier<Node> hgNodeIid =
 168                                 (InstanceIdentifier<Node>) psAugmentation.getManagedBy().getValue();
 169                         Optional<Node> hgNode = new MdsalUtils(db).readOptional(
 170                                 LogicalDatastoreType.OPERATIONAL, hgNodeIid);
 171                         if (hgNode.isPresent()) {
 172                             operationalNodes.put(hgNodeIid, hgNode.get());
 173                         }
 174                     }
 175                 }
 176             }
 177         }
 178     }
 179
 180     public Optional<Node> getGlobalNode(final InstanceIdentifier<?> iid) {
 181         InstanceIdentifier<Node> nodeIid = iid.firstIdentifierOf(Node.class);
 182         return Optional.ofNullable(operationalNodes.get(nodeIid));
 183     }
 184
 185     public Optional<HwvtepGlobalAugmentation> getHwvtepGlobalAugmentation(final InstanceIdentifier<?> iid) {
 186         Preconditions.checkNotNull(iid);
 187         Optional<Node> nodeOptional = getGlobalNode(iid);
 188         if (nodeOptional.isPresent()) {
 189             return Optional.ofNullable(nodeOptional.get().augmentation(HwvtepGlobalAugmentation.class));
 190         }
 191         return Optional.empty();
 192     }
 193
 194     public Optional<PhysicalSwitchAugmentation> getPhysicalSwitchAugmentation(final InstanceIdentifier<?> iid) {
 195         Preconditions.checkNotNull(iid);
 196         Optional<Node> nodeOptional = getGlobalNode(iid);
 197         if (nodeOptional.isPresent()) {
 198             return Optional.ofNullable(nodeOptional.get().augmentation(PhysicalSwitchAugmentation.class));
 199         }
 200         return Optional.empty();
 201     }
 202
 203     public Optional<Map<TerminationPointKey, TerminationPoint>> getTerminationPointList(
 204             final InstanceIdentifier<?> iid) {
 205         Preconditions.checkNotNull(iid);
 206         Optional<Node> nodeOptional = getGlobalNode(iid);
 207         if (nodeOptional.isPresent() && nodeOptional.get().getTerminationPoint() != null) {
 208             return Optional.ofNullable(nodeOptional.get().getTerminationPoint());
 209         }
 210         return Optional.empty();
 211     }
 212
 213     public Optional<LogicalSwitches> getLogicalSwitches(final InstanceIdentifier<?> iid,
 214             final LogicalSwitchesKey logicalSwitchesKey) {
 215         Preconditions.checkNotNull(iid);
 216         Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
 217         if (nodeOptional.isPresent()) {
 218             LogicalSwitches lswitch = nodeOptional.get().nonnullLogicalSwitches().get(logicalSwitchesKey);
 219             if (lswitch != null) {
 220                 return Optional.of(lswitch);
 221             }
 222         }
 223         return Optional.empty();
 224     }
 225
 226     public Optional<LogicalSwitches> getLogicalSwitches(final InstanceIdentifier<LogicalSwitches> iid) {
 227         return new MdsalUtils(db).readOptional(LogicalDatastoreType.OPERATIONAL, iid);
 228     }
 229
 230     public Optional<Tunnels> getTunnels(final InstanceIdentifier<?> iid, final TunnelsKey tunnelsKey) {
 231         Preconditions.checkNotNull(iid);
 232         Optional<PhysicalSwitchAugmentation> psOptional = getPhysicalSwitchAugmentation(iid);
 233         if (psOptional.isPresent()) {
 234             Tunnels tunnel = psOptional.get().nonnullTunnels().get(tunnelsKey);
 235             if (tunnel != null) {
 236                 return Optional.of(tunnel);
 237             }
 238         }
 239         return Optional.empty();
 240     }
 241
 242     public Optional<Tunnels> getTunnels(final InstanceIdentifier<Tunnels> iid) {
 243         Optional<Tunnels> tunnels = new MdsalUtils(db).readOptional(LogicalDatastoreType.OPERATIONAL, iid);
 244         return tunnels;
 245     }
 246
 247     public Optional<HwvtepPhysicalPortAugmentation> getPhysicalPortAugmentation(final InstanceIdentifier<?> iid,
 248             final HwvtepNodeName hwvtepNodeName) {
 249         Preconditions.checkNotNull(iid);
 250         Optional<Map<TerminationPointKey, TerminationPoint>> nodeOptional = getTerminationPointList(iid);
 251         if (nodeOptional.isPresent()) {
 252             for (TerminationPoint tp : nodeOptional.get().values()) {
 253                 HwvtepPhysicalPortAugmentation hppAugmentation =
 254                         tp.augmentation(HwvtepPhysicalPortAugmentation.class);
 255                 if (hppAugmentation != null && hppAugmentation.getHwvtepNodeName().equals(hwvtepNodeName)) {
 256                     return Optional.ofNullable(hppAugmentation);
 257                 }
 258             }
 259         }
 260         return Optional.empty();
 261     }
 262
 263     public Optional<HwvtepPhysicalLocatorAugmentation> getPhysicalLocatorAugmentation(final InstanceIdentifier<?> iid,
 264             final IpAddress dstIp, final Class<? extends EncapsulationTypeBase> encapType) {
 265         Preconditions.checkNotNull(iid);
 266         Optional<Map<TerminationPointKey, TerminationPoint>> nodeOptional = getTerminationPointList(iid);
 267         if (nodeOptional.isPresent()) {
 268             for (TerminationPoint tp : nodeOptional.get().values()) {
 269                 HwvtepPhysicalLocatorAugmentation hppAugmentation =
 270                         tp.augmentation(HwvtepPhysicalLocatorAugmentation.class);
 271                 if (hppAugmentation != null && hppAugmentation.getDstIp().equals(dstIp)
 272                         && hppAugmentation.getEncapsulationType().equals(encapType)) {
 273                     return Optional.ofNullable(hppAugmentation);
 274                 }
 275             }
 276         }
 277         return Optional.empty();
 278     }
 279
 280     public Optional<HwvtepPhysicalLocatorAugmentation>
 281             getPhysicalLocatorAugmentation(final InstanceIdentifier<TerminationPoint> iid) {
 282         Optional<TerminationPoint> tp =
 283             new MdsalUtils(db).readOptional(LogicalDatastoreType.OPERATIONAL, iid);
 284         if (tp.isPresent()) {
 285             return Optional.ofNullable(tp.get().augmentation(HwvtepPhysicalLocatorAugmentation.class));
 286         }
 287         return Optional.empty();
 288     }
 289
 290     public Optional<LocalMcastMacs> getLocalMcastMacs(final InstanceIdentifier<?> iid, final LocalMcastMacsKey key) {
 291         Preconditions.checkNotNull(iid);
 292         Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
 293         if (nodeOptional.isPresent()) {
 294             LocalMcastMacs mac = nodeOptional.get().nonnullLocalMcastMacs().get(key);
 295             if (mac != null) {
 296                 return Optional.of(mac);
 297             }
 298         }
 299         return Optional.empty();
 300     }
 301
 302     public Optional<RemoteMcastMacs> getRemoteMcastMacs(final InstanceIdentifier<?> iid, final RemoteMcastMacsKey key) {
 303         Preconditions.checkNotNull(iid);
 304         Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
 305         if (nodeOptional.isPresent()) {
 306             RemoteMcastMacs mac = nodeOptional.get().nonnullRemoteMcastMacs().get(key);
 307             if (mac != null) {
 308                 return Optional.of(mac);
 309             }
 310         }
 311         return Optional.empty();
 312     }
 313
 314     public Optional<LocalUcastMacs> getLocalUcastMacs(final InstanceIdentifier<?> iid, final LocalUcastMacsKey key) {
 315         Preconditions.checkNotNull(iid);
 316         Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
 317         if (nodeOptional.isPresent()) {
 318             LocalUcastMacs mac = nodeOptional.get().nonnullLocalUcastMacs().get(key);
 319             if (mac != null) {
 320                 return Optional.of(mac);
 321             }
 322         }
 323         return Optional.empty();
 324     }
 325
 326     public Optional<RemoteUcastMacs> getRemoteUcastMacs(final InstanceIdentifier<?> iid, final RemoteUcastMacsKey key) {
 327         Preconditions.checkNotNull(iid);
 328         Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
 329         if (nodeOptional.isPresent()) {
 330             RemoteUcastMacs mac = nodeOptional.get().nonnullRemoteUcastMacs().get(key);
 331             if (mac != null) {
 332                 return Optional.of(mac);
 333             }
 334         }
 335         return Optional.empty();
 336     }
 337
 338     public Optional<LogicalRouters> getLogicalRouters(final InstanceIdentifier<?> iid,
 339             final LogicalRoutersKey logicalRoutersKey) {
 340         Preconditions.checkNotNull(iid);
 341         Optional<HwvtepGlobalAugmentation> nodeOptional = getHwvtepGlobalAugmentation(iid);
 342         if (nodeOptional.isPresent()) {
 343             LogicalRouters lrouter = nodeOptional.get().nonnullLogicalRouters().get(logicalRoutersKey);
 344             if (lrouter != null) {
 345                 return Optional.of(lrouter);
 346             }
 347         }
 348         return Optional.empty();
 349     }
 350
 351     public Optional<Acls> getAcls(final InstanceIdentifier<Acls> iid) {
 352         Optional<Acls> acl = new MdsalUtils(db).readOptional(LogicalDatastoreType.OPERATIONAL, iid);
 353         return acl;
 354     }
 355
 356     public ReadWriteTransaction getReadWriteTransaction() {
 357         return transaction;
 358     }
 359
 360     public void setPhysicalLocatorInFlight(final InstanceIdentifier<TerminationPoint> iid,
 361                                            final UUID uuid) {
 362         inflightLocators.put(iid, uuid);
 363     }
 364
 365     public UUID getPhysicalLocatorInFlight(final InstanceIdentifier<TerminationPoint> iid) {
 366         return inflightLocators.get(iid);
 367     }
 368
 369     public HwvtepConnectionInstance getConnectionInstance() {
 370         return connectionInstance;
 371     }
 372
 373     public HwvtepDeviceInfo getDeviceInfo() {
 374         return deviceInfo;
 375     }
 376
 377     public void updateCurrentTxData(final Class<? extends Identifiable> cls, final InstanceIdentifier key,
 378             final UUID uuid) {
 379         HwvtepSouthboundUtil.updateData(currentTxUUIDs, cls, key, uuid);
 380     }
 381
 382     public void updateCurrentTxDeleteData(final Class<? extends Identifiable> cls, final InstanceIdentifier key) {
 383         HwvtepSouthboundUtil.updateData(currentTxDeletedKeys, cls, key, Boolean.TRUE);
 384     }
 385
 386     public UUID getUUIDFromCurrentTx(final Class<? extends Identifiable> cls, final InstanceIdentifier key) {
 387         return HwvtepSouthboundUtil.getData(currentTxUUIDs, cls, key);
 388     }
 389
 390     public boolean isKeyPartOfCurrentTx(final Class<? extends Identifiable> cls, final InstanceIdentifier key) {
 391         return HwvtepSouthboundUtil.containsKey(currentTxUUIDs, cls, key);
 392     }
 393
 394     public Set<InstanceIdentifier> getDeletedKeysInCurrentTx(final Class<? extends Identifiable> cls) {
 395         if (currentTxDeletedKeys.containsKey(cls)) {
 396             return currentTxDeletedKeys.get(cls).keySet();
 397         }
 398         return Collections.EMPTY_SET;
 399     }
 400
 401     public List<? extends Identifiable> getUpdatedData(final InstanceIdentifier<Node> key,
 402                                                        final Class<? extends Identifiable> cls) {
 403         List<Identifiable> result = null;
 404         if (modifiedData.get(key) != null && modifiedData.get(key).getLeft() != null) {
 405             result = modifiedData.get(key).getLeft().get(cls);
 406         }
 407         if (result == null) {
 408             result = Collections.EMPTY_LIST;
 409         }
 410         return result;
 411     }
 412
 413     public List<? extends Identifiable> getDeletedData(final InstanceIdentifier<Node> key,
 414                                                        final Class<? extends Identifiable> cls) {
 415         List<Identifiable> result = null;
 416         if (modifiedData.get(key) != null && modifiedData.get(key).getRight() != null) {
 417             result = modifiedData.get(key).getRight().get(cls);
 418         }
 419         if (result == null) {
 420             result = Collections.EMPTY_LIST;
 421         }
 422         return result;
 423     }
 424
 425     public void setModifiedData(final Map<InstanceIdentifier<Node>,
 426             Pair<Map<Class<? extends Identifiable>, List<Identifiable>>,
 427                     Map<Class<? extends Identifiable>, List<Identifiable>>>> modifiedData) {
 428         this.modifiedData = modifiedData;
 429     }
 430
 431     public boolean isInReconciliation() {
 432         return inReconciliation;
 433     }
 434
 435     public void setInReconciliation(final boolean inReconciliation) {
 436         this.inReconciliation = inReconciliation;
 437     }
 438
 439     public DataBroker getDataBroker() {
 440         return db;
 441     }
 442
 443
 444     public void clearIntransitKeys() {
 445         currentTxUUIDs.forEach((cls, map) -> {
 446             map.forEach((iid, uuid) -> deviceInfo.clearInTransit(cls, iid));
 447         });
 448         currentTxDeletedKeys.forEach((cls, map) -> {
 449             map.forEach((iid, val) -> deviceInfo.clearInTransit(cls, iid));
 450         });
 451         currentTxUUIDs.clear();
 452         currentTxDeletedKeys.clear();
 453         deviceInfo.onOperDataAvailable();
 454     }
 455
 456     public long getTransactionId() {
 457         return transactionId;
 458     }
 459 }