Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Foundation |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -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 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.net.topology.impl; |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 17 | |
| 18 | import org.apache.felix.scr.annotations.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
| 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 23 | import org.apache.felix.scr.annotations.Service; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 24 | import org.onosproject.event.Event; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 25 | import org.onosproject.net.ConnectPoint; |
| 26 | import org.onosproject.net.DeviceId; |
Ray Milkey | 7483e1b | 2018-02-07 15:43:01 -0800 | [diff] [blame^] | 27 | import org.onosproject.net.DisjointPath; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 28 | import org.onosproject.net.Link; |
| 29 | import org.onosproject.net.Path; |
Ray Milkey | 7483e1b | 2018-02-07 15:43:01 -0800 | [diff] [blame^] | 30 | import org.onosproject.net.provider.AbstractListenerProviderRegistry; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 31 | import org.onosproject.net.provider.AbstractProviderService; |
| 32 | import org.onosproject.net.topology.ClusterId; |
| 33 | import org.onosproject.net.topology.GraphDescription; |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 34 | import org.onosproject.net.topology.LinkWeigher; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 35 | import org.onosproject.net.topology.Topology; |
| 36 | import org.onosproject.net.topology.TopologyCluster; |
| 37 | import org.onosproject.net.topology.TopologyEvent; |
| 38 | import org.onosproject.net.topology.TopologyGraph; |
| 39 | import org.onosproject.net.topology.TopologyListener; |
| 40 | import org.onosproject.net.topology.TopologyProvider; |
| 41 | import org.onosproject.net.topology.TopologyProviderRegistry; |
| 42 | import org.onosproject.net.topology.TopologyProviderService; |
| 43 | import org.onosproject.net.topology.TopologyService; |
| 44 | import org.onosproject.net.topology.TopologyStore; |
| 45 | import org.onosproject.net.topology.TopologyStoreDelegate; |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 46 | import org.slf4j.Logger; |
| 47 | |
| 48 | import java.util.List; |
Ray Milkey | 7483e1b | 2018-02-07 15:43:01 -0800 | [diff] [blame^] | 49 | import java.util.Map; |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 50 | import java.util.Set; |
Yuta HIGUCHI | ac8b229 | 2017-03-30 19:21:57 -0700 | [diff] [blame] | 51 | import java.util.stream.Stream; |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 52 | |
| 53 | import static com.google.common.base.Preconditions.checkNotNull; |
Changhoon Yoon | 541ef71 | 2015-05-23 17:18:34 +0900 | [diff] [blame] | 54 | import static org.onosproject.security.AppGuard.checkPermission; |
Ray Milkey | 7483e1b | 2018-02-07 15:43:01 -0800 | [diff] [blame^] | 55 | import static org.onosproject.security.AppPermission.Type.TOPOLOGY_READ; |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 56 | import static org.slf4j.LoggerFactory.getLogger; |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 57 | |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 58 | |
| 59 | /** |
| 60 | * Provides basic implementation of the topology SB & NB APIs. |
| 61 | */ |
| 62 | @Component(immediate = true) |
| 63 | @Service |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 64 | public class TopologyManager |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 65 | extends AbstractListenerProviderRegistry<TopologyEvent, TopologyListener, |
Thomas Vachuska | 48e64e4 | 2015-09-22 15:32:55 -0700 | [diff] [blame] | 66 | TopologyProvider, TopologyProviderService> |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 67 | implements TopologyService, TopologyProviderRegistry { |
| 68 | |
Simon Hunt | 11a2928 | 2016-03-31 09:16:47 -0700 | [diff] [blame] | 69 | private static final String TOPOLOGY_NULL = "Topology cannot be null"; |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 70 | private static final String DEVICE_ID_NULL = "Device ID cannot be null"; |
tom | 13cb485 | 2014-09-11 12:44:17 -0700 | [diff] [blame] | 71 | private static final String CLUSTER_ID_NULL = "Cluster ID cannot be null"; |
| 72 | private static final String CLUSTER_NULL = "Topology cluster cannot be null"; |
Simon Hunt | 11a2928 | 2016-03-31 09:16:47 -0700 | [diff] [blame] | 73 | private static final String CONNECTION_POINT_NULL = "Connection point cannot be null"; |
| 74 | private static final String LINK_WEIGHT_NULL = "Link weight cannot be null"; |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 75 | |
| 76 | private final Logger log = getLogger(getClass()); |
| 77 | |
tom | c78acee | 2014-09-24 15:16:55 -0700 | [diff] [blame] | 78 | private TopologyStoreDelegate delegate = new InternalStoreDelegate(); |
| 79 | |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 80 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 81 | protected TopologyStore store; |
tom | 0efbb1d | 2014-09-09 11:54:28 -0700 | [diff] [blame] | 82 | |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 83 | @Activate |
| 84 | public void activate() { |
tom | c78acee | 2014-09-24 15:16:55 -0700 | [diff] [blame] | 85 | store.setDelegate(delegate); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 86 | eventDispatcher.addSink(TopologyEvent.class, listenerRegistry); |
| 87 | log.info("Started"); |
| 88 | } |
| 89 | |
| 90 | @Deactivate |
| 91 | public void deactivate() { |
tom | c78acee | 2014-09-24 15:16:55 -0700 | [diff] [blame] | 92 | store.unsetDelegate(delegate); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 93 | eventDispatcher.removeSink(TopologyEvent.class); |
| 94 | log.info("Stopped"); |
| 95 | } |
| 96 | |
| 97 | @Override |
tom | dc361b6 | 2014-09-09 20:36:52 -0700 | [diff] [blame] | 98 | public Topology currentTopology() { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 99 | checkPermission(TOPOLOGY_READ); |
tom | dc361b6 | 2014-09-09 20:36:52 -0700 | [diff] [blame] | 100 | return store.currentTopology(); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | @Override |
tom | dc361b6 | 2014-09-09 20:36:52 -0700 | [diff] [blame] | 104 | public boolean isLatest(Topology topology) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 105 | checkPermission(TOPOLOGY_READ); |
tom | dc361b6 | 2014-09-09 20:36:52 -0700 | [diff] [blame] | 106 | checkNotNull(topology, TOPOLOGY_NULL); |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 107 | return store.isLatest(topology); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | @Override |
| 111 | public Set<TopologyCluster> getClusters(Topology topology) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 112 | checkPermission(TOPOLOGY_READ); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 113 | checkNotNull(topology, TOPOLOGY_NULL); |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 114 | return store.getClusters(topology); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | @Override |
tom | 13cb485 | 2014-09-11 12:44:17 -0700 | [diff] [blame] | 118 | public TopologyCluster getCluster(Topology topology, ClusterId clusterId) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 119 | checkPermission(TOPOLOGY_READ); |
tom | 13cb485 | 2014-09-11 12:44:17 -0700 | [diff] [blame] | 120 | checkNotNull(topology, TOPOLOGY_NULL); |
| 121 | checkNotNull(topology, CLUSTER_ID_NULL); |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 122 | return store.getCluster(topology, clusterId); |
tom | 13cb485 | 2014-09-11 12:44:17 -0700 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | @Override |
| 126 | public Set<DeviceId> getClusterDevices(Topology topology, TopologyCluster cluster) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 127 | checkPermission(TOPOLOGY_READ); |
tom | 13cb485 | 2014-09-11 12:44:17 -0700 | [diff] [blame] | 128 | checkNotNull(topology, TOPOLOGY_NULL); |
| 129 | checkNotNull(topology, CLUSTER_NULL); |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 130 | return store.getClusterDevices(topology, cluster); |
tom | 13cb485 | 2014-09-11 12:44:17 -0700 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | @Override |
| 134 | public Set<Link> getClusterLinks(Topology topology, TopologyCluster cluster) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 135 | checkPermission(TOPOLOGY_READ); |
tom | 13cb485 | 2014-09-11 12:44:17 -0700 | [diff] [blame] | 136 | checkNotNull(topology, TOPOLOGY_NULL); |
| 137 | checkNotNull(topology, CLUSTER_NULL); |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 138 | return store.getClusterLinks(topology, cluster); |
tom | 13cb485 | 2014-09-11 12:44:17 -0700 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | @Override |
tom | 9793755 | 2014-09-11 10:48:42 -0700 | [diff] [blame] | 142 | public TopologyGraph getGraph(Topology topology) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 143 | checkPermission(TOPOLOGY_READ); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 144 | checkNotNull(topology, TOPOLOGY_NULL); |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 145 | return store.getGraph(topology); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 150 | checkPermission(TOPOLOGY_READ); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 151 | checkNotNull(topology, TOPOLOGY_NULL); |
| 152 | checkNotNull(src, DEVICE_ID_NULL); |
| 153 | checkNotNull(dst, DEVICE_ID_NULL); |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 154 | return store.getPaths(topology, src, dst); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | @Override |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 158 | public Set<Path> getPaths(Topology topology, DeviceId src, |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 159 | DeviceId dst, LinkWeigher weigher) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 160 | checkPermission(TOPOLOGY_READ); |
Changhoon Yoon | 541ef71 | 2015-05-23 17:18:34 +0900 | [diff] [blame] | 161 | |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 162 | checkNotNull(topology, TOPOLOGY_NULL); |
| 163 | checkNotNull(src, DEVICE_ID_NULL); |
| 164 | checkNotNull(dst, DEVICE_ID_NULL); |
Yuta HIGUCHI | ac8b229 | 2017-03-30 19:21:57 -0700 | [diff] [blame] | 165 | checkNotNull(weigher, LINK_WEIGHT_NULL); |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 166 | return store.getPaths(topology, src, dst, weigher); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | @Override |
Yuta HIGUCHI | ac8b229 | 2017-03-30 19:21:57 -0700 | [diff] [blame] | 170 | public Set<Path> getKShortestPaths(Topology topology, DeviceId src, |
| 171 | DeviceId dst, LinkWeigher weigher, |
| 172 | int maxPaths) { |
| 173 | checkPermission(TOPOLOGY_READ); |
| 174 | |
| 175 | checkNotNull(topology, TOPOLOGY_NULL); |
| 176 | checkNotNull(src, DEVICE_ID_NULL); |
| 177 | checkNotNull(dst, DEVICE_ID_NULL); |
| 178 | checkNotNull(weigher, LINK_WEIGHT_NULL); |
| 179 | return store.getKShortestPaths(topology, src, dst, weigher, maxPaths); |
| 180 | } |
| 181 | |
| 182 | @Override |
| 183 | public Stream<Path> getKShortestPaths(Topology topology, |
| 184 | DeviceId src, |
| 185 | DeviceId dst, |
| 186 | LinkWeigher weigher) { |
| 187 | checkPermission(TOPOLOGY_READ); |
| 188 | |
| 189 | checkNotNull(topology, TOPOLOGY_NULL); |
| 190 | checkNotNull(src, DEVICE_ID_NULL); |
| 191 | checkNotNull(dst, DEVICE_ID_NULL); |
| 192 | checkNotNull(weigher, LINK_WEIGHT_NULL); |
| 193 | return store.getKShortestPaths(topology, src, dst, weigher); |
| 194 | } |
| 195 | |
| 196 | @Override |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 197 | public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src, |
| 198 | DeviceId dst) { |
Heedo Kang | 4a47a30 | 2016-02-29 17:40:23 +0900 | [diff] [blame] | 199 | checkPermission(TOPOLOGY_READ); |
Nikhil Cheerla | 2ec191f | 2015-07-09 12:34:54 -0700 | [diff] [blame] | 200 | checkNotNull(topology, TOPOLOGY_NULL); |
| 201 | checkNotNull(src, DEVICE_ID_NULL); |
| 202 | checkNotNull(dst, DEVICE_ID_NULL); |
| 203 | return store.getDisjointPaths(topology, src, dst); |
| 204 | } |
| 205 | |
| 206 | @Override |
Thomas Vachuska | 48e64e4 | 2015-09-22 15:32:55 -0700 | [diff] [blame] | 207 | public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src, |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 208 | DeviceId dst, |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 209 | LinkWeigher weigher) { |
Heedo Kang | 4a47a30 | 2016-02-29 17:40:23 +0900 | [diff] [blame] | 210 | checkPermission(TOPOLOGY_READ); |
Nikhil Cheerla | 2ec191f | 2015-07-09 12:34:54 -0700 | [diff] [blame] | 211 | checkNotNull(topology, TOPOLOGY_NULL); |
| 212 | checkNotNull(src, DEVICE_ID_NULL); |
| 213 | checkNotNull(dst, DEVICE_ID_NULL); |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 214 | checkNotNull(weigher, LINK_WEIGHT_NULL); |
| 215 | return store.getDisjointPaths(topology, src, dst, weigher); |
Nikhil Cheerla | 2ec191f | 2015-07-09 12:34:54 -0700 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | @Override |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 219 | public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src, |
| 220 | DeviceId dst, |
Thomas Vachuska | 48e64e4 | 2015-09-22 15:32:55 -0700 | [diff] [blame] | 221 | Map<Link, Object> riskProfile) { |
Heedo Kang | 4a47a30 | 2016-02-29 17:40:23 +0900 | [diff] [blame] | 222 | checkPermission(TOPOLOGY_READ); |
Nikhil Cheerla | 2ec191f | 2015-07-09 12:34:54 -0700 | [diff] [blame] | 223 | checkNotNull(topology, TOPOLOGY_NULL); |
| 224 | checkNotNull(src, DEVICE_ID_NULL); |
| 225 | checkNotNull(dst, DEVICE_ID_NULL); |
Thomas Vachuska | 48e64e4 | 2015-09-22 15:32:55 -0700 | [diff] [blame] | 226 | return store.getDisjointPaths(topology, src, dst, riskProfile); |
Nikhil Cheerla | 2ec191f | 2015-07-09 12:34:54 -0700 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | @Override |
Thomas Vachuska | 48e64e4 | 2015-09-22 15:32:55 -0700 | [diff] [blame] | 230 | public Set<DisjointPath> getDisjointPaths(Topology topology, DeviceId src, |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 231 | DeviceId dst, |
| 232 | LinkWeigher weigher, |
| 233 | Map<Link, Object> riskProfile) { |
Heedo Kang | 4a47a30 | 2016-02-29 17:40:23 +0900 | [diff] [blame] | 234 | checkPermission(TOPOLOGY_READ); |
Nikhil Cheerla | 2ec191f | 2015-07-09 12:34:54 -0700 | [diff] [blame] | 235 | checkNotNull(topology, TOPOLOGY_NULL); |
| 236 | checkNotNull(src, DEVICE_ID_NULL); |
| 237 | checkNotNull(dst, DEVICE_ID_NULL); |
Andrey Komarov | 2398d96 | 2016-09-26 15:11:23 +0300 | [diff] [blame] | 238 | checkNotNull(weigher, LINK_WEIGHT_NULL); |
| 239 | return store.getDisjointPaths(topology, src, dst, weigher, riskProfile); |
Nikhil Cheerla | 2ec191f | 2015-07-09 12:34:54 -0700 | [diff] [blame] | 240 | } |
| 241 | |
| 242 | @Override |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 243 | public boolean isInfrastructure(Topology topology, ConnectPoint connectPoint) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 244 | checkPermission(TOPOLOGY_READ); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 245 | checkNotNull(topology, TOPOLOGY_NULL); |
| 246 | checkNotNull(connectPoint, CONNECTION_POINT_NULL); |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 247 | return store.isInfrastructure(topology, connectPoint); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | @Override |
tom | 4d0dd3a | 2014-09-14 23:12:28 -0700 | [diff] [blame] | 251 | public boolean isBroadcastPoint(Topology topology, ConnectPoint connectPoint) { |
Changhoon Yoon | b856b81 | 2015-08-10 03:47:19 +0900 | [diff] [blame] | 252 | checkPermission(TOPOLOGY_READ); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 253 | checkNotNull(topology, TOPOLOGY_NULL); |
| 254 | checkNotNull(connectPoint, CONNECTION_POINT_NULL); |
tom | 10262dd | 2014-09-19 10:51:19 -0700 | [diff] [blame] | 255 | return store.isBroadcastPoint(topology, connectPoint); |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 256 | } |
| 257 | |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 258 | // Personalized host provider service issued to the supplied provider. |
tom | dc361b6 | 2014-09-09 20:36:52 -0700 | [diff] [blame] | 259 | @Override |
| 260 | protected TopologyProviderService createProviderService(TopologyProvider provider) { |
| 261 | return new InternalTopologyProviderService(provider); |
| 262 | } |
| 263 | |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 264 | private class InternalTopologyProviderService |
| 265 | extends AbstractProviderService<TopologyProvider> |
| 266 | implements TopologyProviderService { |
| 267 | |
| 268 | InternalTopologyProviderService(TopologyProvider provider) { |
| 269 | super(provider); |
| 270 | } |
| 271 | |
| 272 | @Override |
tom | 9793755 | 2014-09-11 10:48:42 -0700 | [diff] [blame] | 273 | public void topologyChanged(GraphDescription topoDescription, |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 274 | List<Event> reasons) { |
| 275 | checkNotNull(topoDescription, "Topology description cannot be null"); |
tom | cbff939 | 2014-09-10 00:45:23 -0700 | [diff] [blame] | 276 | |
tom | e52ce70 | 2014-09-11 00:12:54 -0700 | [diff] [blame] | 277 | TopologyEvent event = store.updateTopology(provider().id(), |
| 278 | topoDescription, reasons); |
tom | dc361b6 | 2014-09-09 20:36:52 -0700 | [diff] [blame] | 279 | if (event != null) { |
tom | 782a7cf | 2014-09-11 23:58:38 -0700 | [diff] [blame] | 280 | log.info("Topology {} changed", event.subject()); |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 281 | post(event); |
tom | dc361b6 | 2014-09-09 20:36:52 -0700 | [diff] [blame] | 282 | } |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 283 | } |
| 284 | } |
| 285 | |
tom | c78acee | 2014-09-24 15:16:55 -0700 | [diff] [blame] | 286 | // Store delegate to re-post events emitted from the store. |
| 287 | private class InternalStoreDelegate implements TopologyStoreDelegate { |
| 288 | @Override |
| 289 | public void notify(TopologyEvent event) { |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 290 | post(event); |
tom | c78acee | 2014-09-24 15:16:55 -0700 | [diff] [blame] | 291 | } |
| 292 | } |
tom | cfde062 | 2014-09-09 11:02:42 -0700 | [diff] [blame] | 293 | } |