Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Laboratory |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.ui.impl.topo.model; |
| 18 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 19 | import org.apache.felix.scr.annotations.Activate; |
| 20 | import org.apache.felix.scr.annotations.Component; |
| 21 | import org.apache.felix.scr.annotations.Deactivate; |
| 22 | import org.apache.felix.scr.annotations.Reference; |
| 23 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 24 | import org.apache.felix.scr.annotations.Service; |
Madan Jampani | 492526a | 2016-06-06 17:24:04 -0700 | [diff] [blame] | 25 | import org.onlab.util.Tools; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 26 | import org.onosproject.cluster.ClusterEvent; |
| 27 | import org.onosproject.cluster.ClusterEventListener; |
| 28 | import org.onosproject.cluster.ClusterService; |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 29 | import org.onosproject.cluster.ControllerNode; |
| 30 | import org.onosproject.cluster.RoleInfo; |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 31 | import org.onosproject.event.AbstractListenerManager; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 32 | import org.onosproject.incubator.net.PortStatisticsService; |
| 33 | import org.onosproject.incubator.net.tunnel.TunnelService; |
| 34 | import org.onosproject.mastership.MastershipEvent; |
| 35 | import org.onosproject.mastership.MastershipListener; |
| 36 | import org.onosproject.mastership.MastershipService; |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 37 | import org.onosproject.net.Device; |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 38 | import org.onosproject.net.DeviceId; |
| 39 | import org.onosproject.net.Host; |
| 40 | import org.onosproject.net.Link; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 41 | import org.onosproject.net.device.DeviceEvent; |
| 42 | import org.onosproject.net.device.DeviceListener; |
| 43 | import org.onosproject.net.device.DeviceService; |
| 44 | import org.onosproject.net.flow.FlowRuleEvent; |
| 45 | import org.onosproject.net.flow.FlowRuleListener; |
| 46 | import org.onosproject.net.flow.FlowRuleService; |
| 47 | import org.onosproject.net.host.HostEvent; |
| 48 | import org.onosproject.net.host.HostListener; |
| 49 | import org.onosproject.net.host.HostService; |
| 50 | import org.onosproject.net.intent.IntentEvent; |
| 51 | import org.onosproject.net.intent.IntentListener; |
| 52 | import org.onosproject.net.intent.IntentService; |
| 53 | import org.onosproject.net.link.LinkEvent; |
| 54 | import org.onosproject.net.link.LinkListener; |
| 55 | import org.onosproject.net.link.LinkService; |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 56 | import org.onosproject.net.region.Region; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 57 | import org.onosproject.net.region.RegionEvent; |
| 58 | import org.onosproject.net.region.RegionListener; |
| 59 | import org.onosproject.net.region.RegionService; |
| 60 | import org.onosproject.net.statistic.StatisticService; |
| 61 | import org.onosproject.net.topology.TopologyService; |
Simon Hunt | f679c4e | 2016-04-01 17:02:24 -0700 | [diff] [blame] | 62 | import org.onosproject.ui.impl.topo.UiTopoSession; |
Simon Hunt | 642bc45 | 2016-05-04 19:34:45 -0700 | [diff] [blame] | 63 | import org.onosproject.ui.model.ServiceBundle; |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame^] | 64 | import org.onosproject.ui.model.topo.UiClusterMember; |
| 65 | import org.onosproject.ui.model.topo.UiElement; |
| 66 | import org.onosproject.ui.model.topo.UiRegion; |
| 67 | import org.onosproject.ui.model.topo.UiTopoLayout; |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 68 | import org.slf4j.Logger; |
| 69 | import org.slf4j.LoggerFactory; |
| 70 | |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame^] | 71 | import java.util.HashSet; |
| 72 | import java.util.List; |
| 73 | import java.util.Set; |
| 74 | import java.util.concurrent.ExecutorService; |
| 75 | import java.util.concurrent.Executors; |
| 76 | |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 77 | /** |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 78 | * Service that creates and maintains the UI-model of the network topology. |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 79 | */ |
Thomas Vachuska | 92b016b | 2016-05-20 11:37:57 -0700 | [diff] [blame] | 80 | @Component(immediate = true, enabled = true) |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 81 | @Service(value = UiSharedTopologyModel.class) |
| 82 | public final class UiSharedTopologyModel |
| 83 | extends AbstractListenerManager<UiModelEvent, UiModelListener> { |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 84 | |
| 85 | private static final Logger log = |
| 86 | LoggerFactory.getLogger(UiSharedTopologyModel.class); |
| 87 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 88 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 89 | private ClusterService clusterService; |
| 90 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 91 | private MastershipService mastershipService; |
| 92 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 93 | private RegionService regionService; |
| 94 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 95 | private DeviceService deviceService; |
| 96 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 97 | private LinkService linkService; |
| 98 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 99 | private HostService hostService; |
| 100 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 101 | private IntentService intentService; |
| 102 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 103 | private FlowRuleService flowService; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 104 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 105 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 106 | private StatisticService flowStatsService; |
| 107 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 108 | private PortStatisticsService portStatsService; |
| 109 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 110 | private TopologyService topologyService; |
| 111 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 112 | private TunnelService tunnelService; |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 113 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 114 | private final ClusterEventListener clusterListener = |
| 115 | new InternalClusterListener(); |
| 116 | private final MastershipListener mastershipListener = |
| 117 | new InternalMastershipListener(); |
| 118 | private final RegionListener regionListener = |
| 119 | new InternalRegionListener(); |
| 120 | private final DeviceListener deviceListener = |
| 121 | new InternalDeviceListener(); |
| 122 | private final LinkListener linkListener = |
| 123 | new InternalLinkListener(); |
| 124 | private final HostListener hostListener = |
| 125 | new InternalHostListener(); |
| 126 | private final IntentListener intentListener = |
| 127 | new InternalIntentListener(); |
| 128 | private final FlowRuleListener flowRuleListener = |
| 129 | new InternalFlowRuleListener(); |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 130 | |
Madan Jampani | 492526a | 2016-06-06 17:24:04 -0700 | [diff] [blame] | 131 | private ExecutorService eventHandler; |
| 132 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 133 | |
| 134 | private ModelCache cache; |
| 135 | |
| 136 | |
| 137 | @Activate |
| 138 | protected void activate() { |
Simon Hunt | 642bc45 | 2016-05-04 19:34:45 -0700 | [diff] [blame] | 139 | cache = new ModelCache(new DefaultServiceBundle(), eventDispatcher); |
Madan Jampani | 492526a | 2016-06-06 17:24:04 -0700 | [diff] [blame] | 140 | eventHandler = Executors.newSingleThreadExecutor(Tools.groupedThreads("onos/ui/topo", "event-handler")); |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 141 | |
| 142 | eventDispatcher.addSink(UiModelEvent.class, listenerRegistry); |
| 143 | |
| 144 | clusterService.addListener(clusterListener); |
| 145 | mastershipService.addListener(mastershipListener); |
| 146 | regionService.addListener(regionListener); |
| 147 | deviceService.addListener(deviceListener); |
| 148 | linkService.addListener(linkListener); |
| 149 | hostService.addListener(hostListener); |
| 150 | intentService.addListener(intentListener); |
| 151 | flowService.addListener(flowRuleListener); |
| 152 | |
| 153 | cache.load(); |
| 154 | |
| 155 | log.info("Started"); |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 156 | } |
| 157 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 158 | @Deactivate |
| 159 | protected void deactivate() { |
| 160 | eventDispatcher.removeSink(UiModelEvent.class); |
| 161 | |
| 162 | clusterService.removeListener(clusterListener); |
| 163 | mastershipService.removeListener(mastershipListener); |
| 164 | regionService.removeListener(regionListener); |
| 165 | deviceService.removeListener(deviceListener); |
| 166 | linkService.removeListener(linkListener); |
| 167 | hostService.removeListener(hostListener); |
| 168 | intentService.removeListener(intentListener); |
| 169 | flowService.removeListener(flowRuleListener); |
| 170 | |
Madan Jampani | 492526a | 2016-06-06 17:24:04 -0700 | [diff] [blame] | 171 | eventHandler.shutdown(); |
| 172 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 173 | cache.clear(); |
| 174 | cache = null; |
| 175 | |
| 176 | log.info("Stopped"); |
| 177 | } |
| 178 | |
| 179 | |
Simon Hunt | f679c4e | 2016-04-01 17:02:24 -0700 | [diff] [blame] | 180 | /** |
| 181 | * Registers a UI topology session with the topology model. |
| 182 | * |
| 183 | * @param session the session to register |
| 184 | */ |
| 185 | public void register(UiTopoSession session) { |
| 186 | log.info("Registering topology session {}", session); |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 187 | addListener(session); |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 188 | } |
| 189 | |
Simon Hunt | f679c4e | 2016-04-01 17:02:24 -0700 | [diff] [blame] | 190 | /** |
| 191 | * Unregisters a UI topology session from the topology model. |
| 192 | * |
| 193 | * @param session the session to unregister |
| 194 | */ |
| 195 | public void unregister(UiTopoSession session) { |
| 196 | log.info("Unregistering topology session {}", session); |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 197 | removeListener(session); |
Simon Hunt | f679c4e | 2016-04-01 17:02:24 -0700 | [diff] [blame] | 198 | } |
| 199 | |
Simon Hunt | d5b9673 | 2016-07-08 13:22:27 -0700 | [diff] [blame^] | 200 | |
| 201 | // ======================================================================= |
| 202 | // methods that the topo session will use to extract information from us |
| 203 | |
| 204 | /** |
| 205 | * Returns the list of cluster members stored in our model cache. |
| 206 | * |
| 207 | * @return list of cluster members |
| 208 | */ |
| 209 | public List<UiClusterMember> getClusterMembers() { |
| 210 | return cache.getAllClusterMembers(); |
| 211 | } |
| 212 | |
| 213 | public Set<UiElement> getElements(UiTopoLayout layout) { |
| 214 | Set<UiElement> results = new HashSet<>(); |
| 215 | |
| 216 | // TODO: figure out how to extract the appropriate nodes |
| 217 | // from the cache, for the given layout. |
| 218 | |
| 219 | return results; |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Returns the region for the given layout. |
| 224 | * |
| 225 | * @param layout layout filter |
| 226 | * @return the region the layout is based upon |
| 227 | */ |
| 228 | public UiRegion getRegion(UiTopoLayout layout) { |
| 229 | return cache.accessRegion(layout.regionId()); |
| 230 | } |
| 231 | |
| 232 | // ===================================================================== |
| 233 | |
| 234 | |
Simon Hunt | 642bc45 | 2016-05-04 19:34:45 -0700 | [diff] [blame] | 235 | /** |
| 236 | * Default implementation of service bundle to return references to our |
| 237 | * dynamically injected services. |
| 238 | */ |
| 239 | private class DefaultServiceBundle implements ServiceBundle { |
| 240 | @Override |
| 241 | public ClusterService cluster() { |
| 242 | return clusterService; |
| 243 | } |
| 244 | |
| 245 | @Override |
| 246 | public MastershipService mastership() { |
| 247 | return mastershipService; |
| 248 | } |
| 249 | |
| 250 | @Override |
| 251 | public RegionService region() { |
| 252 | return regionService; |
| 253 | } |
| 254 | |
| 255 | @Override |
| 256 | public DeviceService device() { |
| 257 | return deviceService; |
| 258 | } |
| 259 | |
| 260 | @Override |
| 261 | public LinkService link() { |
| 262 | return linkService; |
| 263 | } |
| 264 | |
| 265 | @Override |
| 266 | public HostService host() { |
| 267 | return hostService; |
| 268 | } |
| 269 | |
| 270 | @Override |
| 271 | public IntentService intent() { |
| 272 | return intentService; |
| 273 | } |
| 274 | |
| 275 | @Override |
| 276 | public FlowRuleService flow() { |
| 277 | return flowService; |
| 278 | } |
| 279 | } |
| 280 | |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 281 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 282 | private class InternalClusterListener implements ClusterEventListener { |
| 283 | @Override |
| 284 | public void event(ClusterEvent event) { |
Madan Jampani | 492526a | 2016-06-06 17:24:04 -0700 | [diff] [blame] | 285 | eventHandler.execute(() -> handleEvent(event)); |
| 286 | } |
| 287 | |
| 288 | private void handleEvent(ClusterEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 289 | ControllerNode cnode = event.subject(); |
| 290 | |
| 291 | switch (event.type()) { |
| 292 | |
| 293 | case INSTANCE_ADDED: |
| 294 | case INSTANCE_ACTIVATED: |
| 295 | case INSTANCE_READY: |
| 296 | case INSTANCE_DEACTIVATED: |
| 297 | cache.addOrUpdateClusterMember(cnode); |
| 298 | break; |
| 299 | |
| 300 | case INSTANCE_REMOVED: |
| 301 | cache.removeClusterMember(cnode); |
| 302 | break; |
| 303 | |
| 304 | default: |
| 305 | break; |
| 306 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 307 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 308 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 309 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 310 | private class InternalMastershipListener implements MastershipListener { |
| 311 | @Override |
| 312 | public void event(MastershipEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 313 | DeviceId deviceId = event.subject(); |
| 314 | RoleInfo roleInfo = event.roleInfo(); |
| 315 | |
| 316 | switch (event.type()) { |
| 317 | case MASTER_CHANGED: |
| 318 | case BACKUPS_CHANGED: |
| 319 | cache.updateMasterships(deviceId, roleInfo); |
| 320 | break; |
| 321 | |
| 322 | default: |
| 323 | break; |
| 324 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 325 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 326 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 327 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 328 | private class InternalRegionListener implements RegionListener { |
| 329 | @Override |
| 330 | public void event(RegionEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 331 | Region region = event.subject(); |
| 332 | |
| 333 | switch (event.type()) { |
| 334 | |
| 335 | case REGION_ADDED: |
| 336 | case REGION_UPDATED: |
| 337 | case REGION_MEMBERSHIP_CHANGED: |
| 338 | cache.addOrUpdateRegion(region); |
| 339 | break; |
| 340 | |
| 341 | case REGION_REMOVED: |
| 342 | cache.removeRegion(region); |
| 343 | break; |
| 344 | |
| 345 | default: |
| 346 | break; |
| 347 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 348 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 349 | } |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 350 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 351 | private class InternalDeviceListener implements DeviceListener { |
| 352 | @Override |
| 353 | public void event(DeviceEvent event) { |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 354 | Device device = event.subject(); |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 355 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 356 | switch (event.type()) { |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 357 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 358 | case DEVICE_ADDED: |
| 359 | case DEVICE_UPDATED: |
| 360 | case DEVICE_AVAILABILITY_CHANGED: |
| 361 | case DEVICE_SUSPENDED: |
| 362 | cache.addOrUpdateDevice(device); |
| 363 | break; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 364 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 365 | case DEVICE_REMOVED: |
| 366 | cache.removeDevice(device); |
| 367 | break; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 368 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 369 | default: |
| 370 | break; |
Simon Hunt | 7092cc4 | 2016-04-06 18:40:17 -0700 | [diff] [blame] | 371 | } |
| 372 | } |
| 373 | } |
| 374 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 375 | private class InternalLinkListener implements LinkListener { |
| 376 | @Override |
| 377 | public void event(LinkEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 378 | Link link = event.subject(); |
| 379 | |
| 380 | switch (event.type()) { |
| 381 | |
| 382 | case LINK_ADDED: |
| 383 | case LINK_UPDATED: |
| 384 | cache.addOrUpdateLink(link); |
| 385 | break; |
| 386 | |
| 387 | case LINK_REMOVED: |
| 388 | cache.removeLink(link); |
| 389 | break; |
| 390 | |
| 391 | default: |
| 392 | break; |
| 393 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 394 | } |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 395 | } |
| 396 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 397 | private class InternalHostListener implements HostListener { |
| 398 | @Override |
| 399 | public void event(HostEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 400 | Host host = event.subject(); |
| 401 | Host prevHost = event.prevSubject(); |
| 402 | |
| 403 | switch (event.type()) { |
| 404 | |
| 405 | case HOST_ADDED: |
| 406 | case HOST_UPDATED: |
| 407 | cache.addOrUpdateHost(host); |
| 408 | break; |
| 409 | |
| 410 | case HOST_MOVED: |
| 411 | cache.moveHost(host, prevHost); |
| 412 | break; |
| 413 | |
| 414 | case HOST_REMOVED: |
| 415 | cache.removeHost(host); |
| 416 | break; |
| 417 | |
| 418 | default: |
| 419 | break; |
| 420 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 421 | } |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 422 | } |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 423 | |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 424 | // ======================================================================= |
| 425 | // NOTE: Neither intents nor flows are modeled by the UiTopology. |
| 426 | // Rather, they are serviced directly from this class. |
| 427 | // Additionally, since we are only retrieving counts (in the current |
| 428 | // implementation), we'll fetch them on demand from the service. |
| 429 | // Thus, the following internal listeners are stubs only (for now). |
| 430 | // ======================================================================= |
| 431 | |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 432 | private class InternalIntentListener implements IntentListener { |
| 433 | @Override |
| 434 | public void event(IntentEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 435 | // do nothing (for now) |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 436 | } |
| 437 | } |
| 438 | |
| 439 | private class InternalFlowRuleListener implements FlowRuleListener { |
| 440 | @Override |
| 441 | public void event(FlowRuleEvent event) { |
Simon Hunt | 23fb135 | 2016-04-11 12:15:19 -0700 | [diff] [blame] | 442 | // do nothing (for now) |
Simon Hunt | cda9c03 | 2016-04-11 10:32:54 -0700 | [diff] [blame] | 443 | } |
| 444 | } |
| 445 | |
Simon Hunt | ed804d5 | 2016-03-30 09:51:40 -0700 | [diff] [blame] | 446 | } |