Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 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 | package org.onosproject.store.intent.impl; |
| 17 | |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 18 | import com.google.common.collect.ImmutableList; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [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; |
| 25 | import org.onlab.util.KryoNamespace; |
| 26 | import org.onosproject.cluster.ClusterService; |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 27 | import org.onosproject.cluster.ControllerNode; |
| 28 | import org.onosproject.cluster.NodeId; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 29 | import org.onosproject.net.intent.Intent; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 30 | import org.onosproject.net.intent.IntentData; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 31 | import org.onosproject.net.intent.IntentEvent; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 32 | import org.onosproject.net.intent.IntentState; |
| 33 | import org.onosproject.net.intent.IntentStore; |
| 34 | import org.onosproject.net.intent.IntentStoreDelegate; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 35 | import org.onosproject.net.intent.Key; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 36 | import org.onosproject.store.AbstractStore; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 37 | import org.onosproject.store.cluster.messaging.ClusterCommunicationService; |
Jonathan Hart | 77bdd26 | 2015-02-03 09:07:48 -0800 | [diff] [blame] | 38 | import org.onosproject.store.ecmap.EventuallyConsistentMap; |
| 39 | import org.onosproject.store.ecmap.EventuallyConsistentMapEvent; |
| 40 | import org.onosproject.store.ecmap.EventuallyConsistentMapImpl; |
| 41 | import org.onosproject.store.ecmap.EventuallyConsistentMapListener; |
Jonathan Hart | 34f1e38 | 2015-02-24 16:52:23 -0800 | [diff] [blame] | 42 | import org.onosproject.store.impl.MultiValuedTimestamp; |
Jonathan Hart | 6a8fd1d | 2015-02-25 15:44:37 -0800 | [diff] [blame] | 43 | import org.onosproject.store.impl.WallClockTimestamp; |
Jonathan Hart | 539a646 | 2015-01-27 17:05:43 -0800 | [diff] [blame] | 44 | import org.onosproject.store.serializers.KryoNamespaces; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 45 | import org.slf4j.Logger; |
| 46 | |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 47 | import java.util.ArrayList; |
| 48 | import java.util.Collections; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 49 | import java.util.List; |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 50 | import java.util.Objects; |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 51 | import java.util.stream.Collectors; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 52 | |
Jonathan Hart | 2085e07 | 2015-02-12 11:44:03 -0800 | [diff] [blame] | 53 | import static org.onosproject.net.intent.IntentState.*; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 54 | import static org.slf4j.LoggerFactory.getLogger; |
| 55 | |
| 56 | /** |
| 57 | * Manages inventory of Intents in a distributed data store that uses optimistic |
| 58 | * replication and gossip based techniques. |
| 59 | */ |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 60 | //FIXME we should listen for leadership changes. if the local instance has just |
| 61 | // ... become a leader, scan the pending map and process those |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 62 | @Component(immediate = false, enabled = true) |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 63 | @Service |
| 64 | public class GossipIntentStore |
| 65 | extends AbstractStore<IntentEvent, IntentStoreDelegate> |
| 66 | implements IntentStore { |
| 67 | |
| 68 | private final Logger log = getLogger(getClass()); |
| 69 | |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 70 | // Map of intent key => current intent state |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 71 | private EventuallyConsistentMap<Key, IntentData> currentMap; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 72 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 73 | // Map of intent key => pending intent operation |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 74 | private EventuallyConsistentMap<Key, IntentData> pendingMap; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 75 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 76 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 77 | protected ClusterCommunicationService clusterCommunicator; |
| 78 | |
| 79 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 80 | protected ClusterService clusterService; |
| 81 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 82 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 83 | protected PartitionService partitionService; |
| 84 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 85 | @Activate |
| 86 | public void activate() { |
Jonathan Hart | 539a646 | 2015-01-27 17:05:43 -0800 | [diff] [blame] | 87 | KryoNamespace.Builder intentSerializer = KryoNamespace.newBuilder() |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 88 | .register(KryoNamespaces.API) |
| 89 | .register(IntentData.class) |
| 90 | .register(MultiValuedTimestamp.class) |
Jonathan Hart | 6a8fd1d | 2015-02-25 15:44:37 -0800 | [diff] [blame] | 91 | .register(WallClockTimestamp.class); |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 92 | |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 93 | currentMap = new EventuallyConsistentMapImpl<>("intent-current", |
| 94 | clusterService, |
| 95 | clusterCommunicator, |
| 96 | intentSerializer, |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 97 | new IntentDataLogicalClockManager<>(), |
| 98 | (key, intentData) -> getPeerNodes(key, intentData)); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 99 | |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 100 | pendingMap = new EventuallyConsistentMapImpl<>("intent-pending", |
| 101 | clusterService, |
| 102 | clusterCommunicator, |
| 103 | intentSerializer, // TODO |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 104 | new IntentDataClockManager<>(), |
| 105 | (key, intentData) -> getPeerNodes(key, intentData)); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 106 | |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 107 | currentMap.addListener(new InternalCurrentListener()); |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 108 | pendingMap.addListener(new InternalPendingListener()); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 109 | |
| 110 | log.info("Started"); |
| 111 | } |
| 112 | |
| 113 | @Deactivate |
| 114 | public void deactivate() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 115 | currentMap.destroy(); |
| 116 | pendingMap.destroy(); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 117 | |
| 118 | log.info("Stopped"); |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | public long getIntentCount() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 123 | return currentMap.size(); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | @Override |
| 127 | public Iterable<Intent> getIntents() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 128 | return currentMap.values().stream() |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 129 | .map(IntentData::intent) |
| 130 | .collect(Collectors.toList()); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | @Override |
Ray Milkey | f9af43c | 2015-02-09 16:45:48 -0800 | [diff] [blame] | 134 | public IntentState getIntentState(Key intentKey) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 135 | IntentData data = currentMap.get(intentKey); |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 136 | if (data != null) { |
| 137 | return data.state(); |
| 138 | } |
| 139 | return null; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 140 | } |
| 141 | |
| 142 | @Override |
Ray Milkey | f9af43c | 2015-02-09 16:45:48 -0800 | [diff] [blame] | 143 | public List<Intent> getInstallableIntents(Key intentKey) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 144 | IntentData data = currentMap.get(intentKey); |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 145 | if (data != null) { |
| 146 | return data.installables(); |
| 147 | } |
Ray Milkey | f9af43c | 2015-02-09 16:45:48 -0800 | [diff] [blame] | 148 | return null; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 149 | } |
| 150 | |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 151 | private IntentData copyData(IntentData original) { |
| 152 | if (original == null) { |
| 153 | return null; |
| 154 | } |
| 155 | IntentData result = |
| 156 | new IntentData(original.intent(), original.state(), original.version()); |
| 157 | |
| 158 | if (original.installables() != null) { |
| 159 | result.setInstallables(original.installables()); |
| 160 | } |
| 161 | return result; |
| 162 | } |
| 163 | |
| 164 | /** |
Jonathan Hart | 2085e07 | 2015-02-12 11:44:03 -0800 | [diff] [blame] | 165 | * Determines whether an intent data update is allowed. The update must |
| 166 | * either have a higher version than the current data, or the state |
| 167 | * transition between two updates of the same version must be sane. |
| 168 | * |
| 169 | * @param currentData existing intent data in the store |
| 170 | * @param newData new intent data update proposal |
| 171 | * @return true if we can apply the update, otherwise false |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 172 | */ |
| 173 | private boolean isUpdateAcceptable(IntentData currentData, IntentData newData) { |
| 174 | |
| 175 | if (currentData == null) { |
| 176 | return true; |
| 177 | } else if (currentData.version().compareTo(newData.version()) < 0) { |
| 178 | return true; |
| 179 | } else if (currentData.version().compareTo(newData.version()) > 0) { |
| 180 | return false; |
| 181 | } |
| 182 | |
| 183 | // current and new data versions are the same |
| 184 | IntentState currentState = currentData.state(); |
| 185 | IntentState newState = newData.state(); |
| 186 | |
| 187 | switch (newState) { |
| 188 | case INSTALLING: |
| 189 | if (currentState == INSTALLING) { |
| 190 | return false; |
| 191 | } |
| 192 | // FALLTHROUGH |
| 193 | case INSTALLED: |
| 194 | if (currentState == INSTALLED) { |
| 195 | return false; |
| 196 | } else if (currentState == WITHDRAWING || currentState == WITHDRAWN) { |
| 197 | log.warn("Invalid state transition from {} to {} for intent {}", |
| 198 | currentState, newState, newData.key()); |
| 199 | return false; |
| 200 | } |
| 201 | return true; |
| 202 | |
| 203 | case WITHDRAWING: |
| 204 | if (currentState == WITHDRAWING) { |
| 205 | return false; |
| 206 | } |
| 207 | // FALLTHROUGH |
| 208 | case WITHDRAWN: |
| 209 | if (currentState == WITHDRAWN) { |
| 210 | return false; |
| 211 | } else if (currentState == INSTALLING || currentState == INSTALLED) { |
| 212 | log.warn("Invalid state transition from {} to {} for intent {}", |
| 213 | currentState, newState, newData.key()); |
| 214 | return false; |
| 215 | } |
| 216 | return true; |
| 217 | |
| 218 | |
| 219 | case FAILED: |
| 220 | if (currentState == FAILED) { |
| 221 | return false; |
| 222 | } |
| 223 | return true; |
| 224 | |
| 225 | |
| 226 | case COMPILING: |
| 227 | case RECOMPILING: |
| 228 | case INSTALL_REQ: |
| 229 | case WITHDRAW_REQ: |
| 230 | default: |
| 231 | log.warn("Invalid state {} for intent {}", newState, newData.key()); |
| 232 | return false; |
| 233 | } |
| 234 | } |
| 235 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 236 | @Override |
| 237 | public void write(IntentData newData) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 238 | IntentData currentData = currentMap.get(newData.key()); |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 239 | if (isUpdateAcceptable(currentData, newData)) { |
| 240 | // Only the master is modifying the current state. Therefore assume |
| 241 | // this always succeeds |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 242 | currentMap.put(newData.key(), copyData(newData)); |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 243 | |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 244 | // if current.put succeeded |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 245 | pendingMap.remove(newData.key(), newData); |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 246 | } else { |
Jonathan Hart | 34f1e38 | 2015-02-24 16:52:23 -0800 | [diff] [blame] | 247 | log.debug("not writing update: current {}, new {}", currentData, newData); |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 248 | } |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 249 | } |
| 250 | |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 251 | private Iterable<NodeId> getPeerNodes(Key key, IntentData data) { |
| 252 | NodeId master = partitionService.getLeader(key); |
| 253 | NodeId origin = (data != null) ? data.origin() : null; |
| 254 | NodeId me = clusterService.getLocalNode().id(); |
| 255 | boolean isMaster = Objects.equals(master, me); |
| 256 | boolean isOrigin = Objects.equals(origin, me); |
| 257 | if (isMaster && isOrigin) { |
| 258 | return ImmutableList.of(getRandomNode()); |
| 259 | } else if (isMaster) { |
| 260 | return ImmutableList.of(origin); |
| 261 | } else if (isOrigin) { |
| 262 | return ImmutableList.of(master); |
| 263 | } else { |
| 264 | // FIXME: why are we here? log error? |
| 265 | return ImmutableList.of(master); |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | private NodeId getRandomNode() { |
| 270 | List<NodeId> nodes = clusterService.getNodes().stream() |
| 271 | .map(ControllerNode::id) |
| 272 | .collect(Collectors.toCollection(ArrayList::new)); |
| 273 | Collections.shuffle(nodes); |
| 274 | // FIXME check if self |
| 275 | // FIXME verify nodes.size() > 0 |
| 276 | return nodes.get(0); |
| 277 | } |
| 278 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 279 | @Override |
| 280 | public void batchWrite(Iterable<IntentData> updates) { |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 281 | updates.forEach(this::write); |
| 282 | } |
| 283 | |
| 284 | @Override |
| 285 | public Intent getIntent(Key key) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 286 | IntentData data = currentMap.get(key); |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 287 | if (data != null) { |
| 288 | return data.intent(); |
| 289 | } |
| 290 | return null; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 291 | } |
| 292 | |
| 293 | @Override |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 294 | public IntentData getIntentData(Key key) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 295 | return copyData(currentMap.get(key)); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 296 | } |
| 297 | |
| 298 | @Override |
| 299 | public void addPending(IntentData data) { |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 300 | if (data.version() == null) { |
Jonathan Hart | 6a8fd1d | 2015-02-25 15:44:37 -0800 | [diff] [blame] | 301 | data.setVersion(new WallClockTimestamp()); |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 302 | } |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 303 | data.setOrigin(clusterService.getLocalNode().id()); |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 304 | pendingMap.put(data.key(), copyData(data)); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | @Override |
Brian O'Connor | be28a87 | 2015-02-19 21:44:37 -0800 | [diff] [blame] | 308 | public boolean isMaster(Key intentKey) { |
| 309 | return partitionService.isMine(intentKey); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 310 | } |
| 311 | |
Jonathan Hart | 34f1e38 | 2015-02-24 16:52:23 -0800 | [diff] [blame] | 312 | @Override |
| 313 | public Iterable<Intent> getPending() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 314 | return pendingMap.values().stream() |
Jonathan Hart | 34f1e38 | 2015-02-24 16:52:23 -0800 | [diff] [blame] | 315 | .map(IntentData::intent) |
| 316 | .collect(Collectors.toList()); |
| 317 | } |
| 318 | |
Brian O'Connor | 8016f34 | 2015-02-24 17:00:39 -0800 | [diff] [blame] | 319 | @Override |
| 320 | public void purge(Key key) { |
| 321 | IntentData data = currentMap.get(key); |
| 322 | if (data.state() == WITHDRAWN || data.state() == FAILED) { |
| 323 | currentMap.remove(key, data); |
| 324 | } |
| 325 | } |
| 326 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 327 | private void notifyDelegateIfNotNull(IntentEvent event) { |
| 328 | if (event != null) { |
| 329 | notifyDelegate(event); |
| 330 | } |
| 331 | } |
| 332 | |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame^] | 333 | private final class InternalCurrentListener implements |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 334 | EventuallyConsistentMapListener<Key, IntentData> { |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 335 | @Override |
Jonathan Hart | 539a646 | 2015-01-27 17:05:43 -0800 | [diff] [blame] | 336 | public void event( |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 337 | EventuallyConsistentMapEvent<Key, IntentData> event) { |
Jonathan Hart | 539a646 | 2015-01-27 17:05:43 -0800 | [diff] [blame] | 338 | if (event.type() == EventuallyConsistentMapEvent.Type.PUT) { |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 339 | IntentData intentData = event.value(); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 340 | |
Jonathan Hart | 9288836 | 2015-02-13 13:14:59 -0800 | [diff] [blame] | 341 | notifyDelegateIfNotNull(IntentEvent.getEvent(intentData)); |
Jonathan Hart | 539a646 | 2015-01-27 17:05:43 -0800 | [diff] [blame] | 342 | } |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 343 | } |
| 344 | } |
| 345 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 346 | private final class InternalPendingListener implements |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 347 | EventuallyConsistentMapListener<Key, IntentData> { |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 348 | @Override |
| 349 | public void event( |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 350 | EventuallyConsistentMapEvent<Key, IntentData> event) { |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 351 | if (event.type() == EventuallyConsistentMapEvent.Type.PUT) { |
| 352 | // The pending intents map has been updated. If we are master for |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 353 | // this intent's partition, notify the Manager that it should do |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 354 | // some work. |
Brian O'Connor | be28a87 | 2015-02-19 21:44:37 -0800 | [diff] [blame] | 355 | if (isMaster(event.value().intent().key())) { |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 356 | if (delegate != null) { |
Jonathan Hart | 34f1e38 | 2015-02-24 16:52:23 -0800 | [diff] [blame] | 357 | log.debug("processing {}", event.key()); |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 358 | delegate.process(copyData(event.value())); |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 359 | } |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 360 | } |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 361 | |
Jonathan Hart | 9288836 | 2015-02-13 13:14:59 -0800 | [diff] [blame] | 362 | notifyDelegateIfNotNull(IntentEvent.getEvent(event.value())); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 363 | } |
| 364 | } |
| 365 | } |
| 366 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 367 | } |
| 368 | |