2 * Copyright (c) 2015 Huawei, Inc. and others. All rights reserved.
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4 * This program and the accompanying materials are made available under the
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5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
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6 * and is available at http://www.eclipse.org/legal/epl-v10.html
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9 package org.opendaylight.nemo.renderer.openflow;
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11 import com.google.common.base.Optional;
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12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
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13 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
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14 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
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15 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
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16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
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17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
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18 import org.opendaylight.nemo.renderer.openflow.physicalnetwork.PhyConfigLoader;
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19 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
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20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic.physical.network.rev151010.PhysicalNetwork;
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21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic.physical.network.rev151010.physical.network.PhysicalNodes;
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22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic.physical.network.rev151010.physical.network.physical.nodes.PhysicalNode;
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23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic.virtual.network.rev151010.VirtualNetworks;
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24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic.virtual.network.rev151010.virtual.networks.VirtualNetwork;
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25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.generic.virtual.network.rev151010.virtual.networks.VirtualNetworkKey;
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26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.intent.mapping.result.rev151010.IntentVnMappingResults;
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27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.intent.mapping.result.rev151010.VnPnMappingResults;
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28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.intent.mapping.result.rev151010.intent.vn.mapping.results.UserIntentVnMapping;
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29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.intent.mapping.result.rev151010.intent.vn.mapping.results.UserIntentVnMappingKey;
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30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.intent.mapping.result.rev151010.vn.pn.mapping.results.UserVnPnMapping;
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31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.nemo.common.rev151010.UserId;
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32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.nemo.engine.common.rev151010.VirtualNetworkId;
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33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.nemo.intent.rev151010.Users;
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34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.nemo.intent.rev151010.users.User;
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35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.nemo.intent.rev151010.users.UserKey;
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36 import org.opendaylight.yangtools.concepts.ListenerRegistration;
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37 import org.opendaylight.yangtools.yang.binding.DataObject;
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38 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
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39 import org.slf4j.Logger;
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40 import org.slf4j.LoggerFactory;
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42 import java.util.List;
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43 import java.util.Map;
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44 import java.util.Set;
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46 public class FlowTableManager implements AutoCloseable {
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47 private static final Logger LOG = LoggerFactory.getLogger(FlowTableManager.class);
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49 private final DataBroker dataProvider;
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50 private final PacketProcessingService packetProcessingService;
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52 private ListenerRegistration<DataChangeListener> userVnPnMappingChangeListenerReg;
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54 private FlowUtils flowUtils = null;
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56 public FlowTableManager(DataBroker dataProvider,
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57 PacketProcessingService packetProcessingService,
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58 PhyConfigLoader phyConfigLoader) {
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61 this.dataProvider = dataProvider;
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62 this.packetProcessingService = packetProcessingService;
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64 LOG.debug("Initialized FlowTableManager.");
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66 flowUtils = new FlowUtils(dataProvider, packetProcessingService, phyConfigLoader);
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68 // Register listener;
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69 registerUserVnPnMappingListener();
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72 protected FlowUtils getFlowUtils() {
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76 private void registerUserVnPnMappingListener() {
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78 //build userVnPnMappingIid
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79 InstanceIdentifier<UserVnPnMapping> userVnPnMappingIid = InstanceIdentifier
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80 .builder(VnPnMappingResults.class)
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81 .child(UserVnPnMapping.class)
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84 userVnPnMappingChangeListenerReg = dataProvider.registerDataChangeListener(
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85 LogicalDatastoreType.CONFIGURATION, userVnPnMappingIid,
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86 new UserVnPnMappingChangeListener(), DataChangeScope.BASE);
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90 private User getUser(UserId userId) {
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92 ReadOnlyTransaction readOnlyTransaction = dataProvider.newReadOnlyTransaction();
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93 InstanceIdentifier<User> userIid = InstanceIdentifier.builder(Users.class)
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94 .child(User.class, new UserKey(userId))
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96 Optional<User> result = null;
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99 result = readOnlyTransaction.read(LogicalDatastoreType.CONFIGURATION, userIid).get();
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100 } catch (Exception e) {
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101 // TODO Auto-generated catch block
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102 LOG.error("Exception:",e);
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104 if (result.isPresent()){
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105 LOG.debug("getUser OK");
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106 return (result.get());
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109 LOG.debug("getUser ERROR");
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115 private VirtualNetwork getVirtualNetwork(UserId userId) {
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117 VirtualNetworkId virtualNetworkId = new VirtualNetworkId(userId.getValue());
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118 VirtualNetworkKey virtualNetworkKey = new VirtualNetworkKey(virtualNetworkId);
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120 ReadOnlyTransaction readOnlyTransaction = dataProvider.newReadOnlyTransaction();
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121 InstanceIdentifier<VirtualNetwork> virtualNetworkIid = InstanceIdentifier
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122 .builder(VirtualNetworks.class)
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123 .child(VirtualNetwork.class, virtualNetworkKey)
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125 Optional<VirtualNetwork> result = null;
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128 result = readOnlyTransaction.read(LogicalDatastoreType.CONFIGURATION, virtualNetworkIid).get();
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130 } catch (Exception e) {
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131 // TODO Auto-generated catch block
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132 LOG.error("Exception:",e);
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134 if (result.isPresent()) {
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135 LOG.debug("getVirtualNetwork OK");
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136 return (result.get());
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139 LOG.debug("getVirtualNetwork ERROR");
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144 private UserIntentVnMapping getUserIntentVnMapping(UserId userId) {
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146 ReadOnlyTransaction readOnlyTransaction = dataProvider.newReadOnlyTransaction();
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147 InstanceIdentifier<UserIntentVnMapping> userIntentVnMappingIid = InstanceIdentifier
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148 .builder(IntentVnMappingResults.class)
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149 .child(UserIntentVnMapping.class, new UserIntentVnMappingKey(userId))
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151 Optional<UserIntentVnMapping> result = null;
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153 result = readOnlyTransaction.read(LogicalDatastoreType.CONFIGURATION, userIntentVnMappingIid).get();
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154 } catch (Exception e) {
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155 // TODO Auto-generated catch block
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156 LOG.error("Exception:",e);
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158 if (result.isPresent()) {
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159 LOG.debug("getUserIntentVnMapping OK");
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160 return (result.get());
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163 LOG.debug("getUserIntentVnMapping ERROR");
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168 private PhysicalNetwork getPhysicalNetwork() {
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170 ReadOnlyTransaction readOnlyTransaction = dataProvider.newReadOnlyTransaction();
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171 InstanceIdentifier<PhysicalNetwork> physicalNetworkIid = InstanceIdentifier
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172 .builder(PhysicalNetwork.class)
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174 Optional<PhysicalNetwork> result = null;
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176 result = readOnlyTransaction.read(LogicalDatastoreType.OPERATIONAL, physicalNetworkIid).get();
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177 } catch (Exception e) {
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178 // TODO Auto-generated catch block
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179 LOG.error("Exception:",e);
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181 if (result.isPresent()) {
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182 LOG.debug("getPhysicalNetwork OK");
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183 return (result.get());
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186 LOG.debug("getPhysicalNetwork ERROR");
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192 //A listener implementation
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193 private class UserVnPnMappingChangeListener implements DataChangeListener {
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196 public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
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197 if ( null == change ) {
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201 Map<InstanceIdentifier<?>, DataObject> createdData = change.getCreatedData();
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202 if ( null != createdData && !createdData.isEmpty() ) {
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203 for ( DataObject dataObject : createdData.values() ) {
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204 if ( dataObject instanceof UserVnPnMapping ) {
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205 LOG.debug("Ready to update flow table.");
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206 UserVnPnMapping userVnPnMapping = (UserVnPnMapping)dataObject;
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207 UserId userId = userVnPnMapping.getUserId();
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209 User user = getUser(userId);
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210 VirtualNetwork virtualNetwork = getVirtualNetwork(userId);
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211 UserIntentVnMapping userIntentVnMapping = getUserIntentVnMapping(userId);
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212 PhysicalNetwork physicalNetwork = getPhysicalNetwork();
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213 if(physicalNetwork == null)
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215 LOG.debug("Physical Network data are not present.");
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218 PhysicalNodes physicalNodes= physicalNetwork.getPhysicalNodes();
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219 List<PhysicalNode> physicalNodeList = physicalNodes.getPhysicalNode();
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220 flowUtils.init(physicalNodeList);
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222 flowUtils.updateFlowTable(user, virtualNetwork, userIntentVnMapping, userVnPnMapping, physicalNetwork);
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223 LOG.debug("Already call flowUtils.updateFlowTable().");
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228 Map<InstanceIdentifier<?>, DataObject> updatedData = change.getUpdatedData();
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229 if ( null != updatedData && !updatedData.isEmpty() ) {
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230 for ( DataObject dataObject : updatedData.values() ) {
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231 if ( dataObject instanceof UserVnPnMapping ) {
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232 UserVnPnMapping userVnPnMapping = (UserVnPnMapping)dataObject;
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233 UserId userId = userVnPnMapping.getUserId();
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235 flowUtils.deleteFlowEntries(userId);
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237 User user = getUser(userId);
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238 VirtualNetwork virtualNetwork = getVirtualNetwork(userId);
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239 UserIntentVnMapping userIntentVnMapping = getUserIntentVnMapping(userId);
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240 PhysicalNetwork physicalNetwork = getPhysicalNetwork();
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241 if(physicalNetwork == null)
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243 LOG.debug("Physical Network data are not present.");
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247 flowUtils.updateFlowTable(user, virtualNetwork, userIntentVnMapping, userVnPnMapping, physicalNetwork);
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252 Map<InstanceIdentifier<?>, DataObject> originalData = change.getOriginalData();
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253 Set<InstanceIdentifier<?>> removedPaths = change.getRemovedPaths();
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254 if ( null != removedPaths && !removedPaths.isEmpty() ) {
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255 DataObject dataObject;
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257 for ( InstanceIdentifier<?> instanceId : removedPaths ) {
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258 dataObject = originalData.get(instanceId);
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259 if ( null != dataObject && dataObject instanceof UserVnPnMapping ) {
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260 UserVnPnMapping userVnPnMapping = (UserVnPnMapping)dataObject;
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261 flowUtils.deleteFlowEntries(userVnPnMapping.getUserId());
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270 public void close() throws Exception {
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272 if ( null != userVnPnMappingChangeListenerReg ) {
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273 userVnPnMappingChangeListenerReg.close();
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275 if ( null != flowUtils ) {
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