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; |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 19 | import org.apache.commons.lang.math.RandomUtils; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 20 | import org.apache.felix.scr.annotations.Activate; |
| 21 | import org.apache.felix.scr.annotations.Component; |
| 22 | import org.apache.felix.scr.annotations.Deactivate; |
| 23 | import org.apache.felix.scr.annotations.Reference; |
| 24 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 25 | import org.apache.felix.scr.annotations.Service; |
| 26 | import org.onlab.util.KryoNamespace; |
| 27 | import org.onosproject.cluster.ClusterService; |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 28 | import org.onosproject.cluster.ControllerNode; |
| 29 | import org.onosproject.cluster.NodeId; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 30 | import org.onosproject.net.intent.Intent; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 31 | import org.onosproject.net.intent.IntentData; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 32 | import org.onosproject.net.intent.IntentEvent; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 33 | import org.onosproject.net.intent.IntentState; |
| 34 | import org.onosproject.net.intent.IntentStore; |
| 35 | import org.onosproject.net.intent.IntentStoreDelegate; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 36 | import org.onosproject.net.intent.Key; |
Brian O'Connor | 87ba7a7 | 2015-03-11 14:40:09 -0700 | [diff] [blame] | 37 | import org.onosproject.net.intent.PartitionService; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 38 | import org.onosproject.store.AbstractStore; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 39 | import org.onosproject.store.cluster.messaging.ClusterCommunicationService; |
Jonathan Hart | 77bdd26 | 2015-02-03 09:07:48 -0800 | [diff] [blame] | 40 | import org.onosproject.store.ecmap.EventuallyConsistentMap; |
| 41 | import org.onosproject.store.ecmap.EventuallyConsistentMapEvent; |
| 42 | import org.onosproject.store.ecmap.EventuallyConsistentMapImpl; |
| 43 | import org.onosproject.store.ecmap.EventuallyConsistentMapListener; |
Jonathan Hart | 34f1e38 | 2015-02-24 16:52:23 -0800 | [diff] [blame] | 44 | import org.onosproject.store.impl.MultiValuedTimestamp; |
Jonathan Hart | 6a8fd1d | 2015-02-25 15:44:37 -0800 | [diff] [blame] | 45 | import org.onosproject.store.impl.WallClockTimestamp; |
Jonathan Hart | 539a646 | 2015-01-27 17:05:43 -0800 | [diff] [blame] | 46 | import org.onosproject.store.serializers.KryoNamespaces; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 47 | import org.slf4j.Logger; |
| 48 | |
Brian O'Connor | 9081c90 | 2015-03-05 16:26:25 -0800 | [diff] [blame] | 49 | import java.util.Collection; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 50 | import java.util.List; |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 51 | import java.util.Objects; |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 52 | import java.util.stream.Collectors; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 53 | |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame^] | 54 | import static com.google.common.base.Preconditions.checkNotNull; |
Jonathan Hart | 2085e07 | 2015-02-12 11:44:03 -0800 | [diff] [blame] | 55 | import static org.onosproject.net.intent.IntentState.*; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 56 | import static org.slf4j.LoggerFactory.getLogger; |
| 57 | |
| 58 | /** |
| 59 | * Manages inventory of Intents in a distributed data store that uses optimistic |
| 60 | * replication and gossip based techniques. |
| 61 | */ |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 62 | //FIXME we should listen for leadership changes. if the local instance has just |
| 63 | // ... become a leader, scan the pending map and process those |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 64 | @Component(immediate = false, enabled = true) |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 65 | @Service |
| 66 | public class GossipIntentStore |
| 67 | extends AbstractStore<IntentEvent, IntentStoreDelegate> |
| 68 | implements IntentStore { |
| 69 | |
| 70 | private final Logger log = getLogger(getClass()); |
| 71 | |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 72 | // Map of intent key => current intent state |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 73 | private EventuallyConsistentMap<Key, IntentData> currentMap; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 74 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 75 | // Map of intent key => pending intent operation |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 76 | private EventuallyConsistentMap<Key, IntentData> pendingMap; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 77 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 78 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 79 | protected ClusterCommunicationService clusterCommunicator; |
| 80 | |
| 81 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 82 | protected ClusterService clusterService; |
| 83 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 84 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 85 | protected PartitionService partitionService; |
| 86 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 87 | @Activate |
| 88 | public void activate() { |
Jonathan Hart | 539a646 | 2015-01-27 17:05:43 -0800 | [diff] [blame] | 89 | KryoNamespace.Builder intentSerializer = KryoNamespace.newBuilder() |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 90 | .register(KryoNamespaces.API) |
| 91 | .register(IntentData.class) |
| 92 | .register(MultiValuedTimestamp.class) |
Jonathan Hart | 6a8fd1d | 2015-02-25 15:44:37 -0800 | [diff] [blame] | 93 | .register(WallClockTimestamp.class); |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 94 | |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 95 | currentMap = new EventuallyConsistentMapImpl<>("intent-current", |
| 96 | clusterService, |
| 97 | clusterCommunicator, |
| 98 | intentSerializer, |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 99 | new IntentDataLogicalClockManager<>(), |
| 100 | (key, intentData) -> getPeerNodes(key, intentData)); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 101 | |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 102 | pendingMap = new EventuallyConsistentMapImpl<>("intent-pending", |
| 103 | clusterService, |
| 104 | clusterCommunicator, |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 105 | intentSerializer, |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 106 | new IntentDataClockManager<>(), |
| 107 | (key, intentData) -> getPeerNodes(key, intentData)); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 108 | |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 109 | currentMap.addListener(new InternalCurrentListener()); |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 110 | pendingMap.addListener(new InternalPendingListener()); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 111 | |
| 112 | log.info("Started"); |
| 113 | } |
| 114 | |
| 115 | @Deactivate |
| 116 | public void deactivate() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 117 | currentMap.destroy(); |
| 118 | pendingMap.destroy(); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 119 | |
| 120 | log.info("Stopped"); |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public long getIntentCount() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 125 | return currentMap.size(); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | @Override |
| 129 | public Iterable<Intent> getIntents() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 130 | return currentMap.values().stream() |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 131 | .map(IntentData::intent) |
| 132 | .collect(Collectors.toList()); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 133 | } |
| 134 | |
| 135 | @Override |
Ray Milkey | f9af43c | 2015-02-09 16:45:48 -0800 | [diff] [blame] | 136 | public IntentState getIntentState(Key intentKey) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 137 | IntentData data = currentMap.get(intentKey); |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 138 | if (data != null) { |
| 139 | return data.state(); |
| 140 | } |
| 141 | return null; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 142 | } |
| 143 | |
| 144 | @Override |
Ray Milkey | f9af43c | 2015-02-09 16:45:48 -0800 | [diff] [blame] | 145 | public List<Intent> getInstallableIntents(Key intentKey) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 146 | IntentData data = currentMap.get(intentKey); |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 147 | if (data != null) { |
| 148 | return data.installables(); |
| 149 | } |
Ray Milkey | f9af43c | 2015-02-09 16:45:48 -0800 | [diff] [blame] | 150 | return null; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 151 | } |
| 152 | |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 153 | /** |
Jonathan Hart | 2085e07 | 2015-02-12 11:44:03 -0800 | [diff] [blame] | 154 | * Determines whether an intent data update is allowed. The update must |
| 155 | * either have a higher version than the current data, or the state |
| 156 | * transition between two updates of the same version must be sane. |
| 157 | * |
| 158 | * @param currentData existing intent data in the store |
| 159 | * @param newData new intent data update proposal |
| 160 | * @return true if we can apply the update, otherwise false |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 161 | */ |
| 162 | private boolean isUpdateAcceptable(IntentData currentData, IntentData newData) { |
| 163 | |
| 164 | if (currentData == null) { |
| 165 | return true; |
| 166 | } else if (currentData.version().compareTo(newData.version()) < 0) { |
| 167 | return true; |
| 168 | } else if (currentData.version().compareTo(newData.version()) > 0) { |
| 169 | return false; |
| 170 | } |
| 171 | |
| 172 | // current and new data versions are the same |
| 173 | IntentState currentState = currentData.state(); |
| 174 | IntentState newState = newData.state(); |
| 175 | |
| 176 | switch (newState) { |
| 177 | case INSTALLING: |
| 178 | if (currentState == INSTALLING) { |
| 179 | return false; |
| 180 | } |
| 181 | // FALLTHROUGH |
| 182 | case INSTALLED: |
| 183 | if (currentState == INSTALLED) { |
| 184 | return false; |
| 185 | } else if (currentState == WITHDRAWING || currentState == WITHDRAWN) { |
| 186 | log.warn("Invalid state transition from {} to {} for intent {}", |
| 187 | currentState, newState, newData.key()); |
| 188 | return false; |
| 189 | } |
| 190 | return true; |
| 191 | |
| 192 | case WITHDRAWING: |
| 193 | if (currentState == WITHDRAWING) { |
| 194 | return false; |
| 195 | } |
| 196 | // FALLTHROUGH |
| 197 | case WITHDRAWN: |
| 198 | if (currentState == WITHDRAWN) { |
| 199 | return false; |
| 200 | } else if (currentState == INSTALLING || currentState == INSTALLED) { |
| 201 | log.warn("Invalid state transition from {} to {} for intent {}", |
| 202 | currentState, newState, newData.key()); |
| 203 | return false; |
| 204 | } |
| 205 | return true; |
| 206 | |
| 207 | |
| 208 | case FAILED: |
| 209 | if (currentState == FAILED) { |
| 210 | return false; |
| 211 | } |
| 212 | return true; |
| 213 | |
Ray Milkey | 8c6d00e | 2015-03-13 14:14:34 -0700 | [diff] [blame] | 214 | case PURGE_REQ: |
| 215 | return true; |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 216 | |
| 217 | case COMPILING: |
| 218 | case RECOMPILING: |
| 219 | case INSTALL_REQ: |
| 220 | case WITHDRAW_REQ: |
| 221 | default: |
| 222 | log.warn("Invalid state {} for intent {}", newState, newData.key()); |
| 223 | return false; |
| 224 | } |
| 225 | } |
| 226 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 227 | @Override |
| 228 | public void write(IntentData newData) { |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame^] | 229 | checkNotNull(newData); |
| 230 | |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 231 | IntentData currentData = currentMap.get(newData.key()); |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 232 | if (isUpdateAcceptable(currentData, newData)) { |
| 233 | // Only the master is modifying the current state. Therefore assume |
| 234 | // this always succeeds |
Ray Milkey | 8c6d00e | 2015-03-13 14:14:34 -0700 | [diff] [blame] | 235 | if (newData.state() == PURGE_REQ) { |
| 236 | currentMap.remove(newData.key(), newData); |
| 237 | } else { |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame^] | 238 | currentMap.put(newData.key(), new IntentData(newData)); |
Ray Milkey | 8c6d00e | 2015-03-13 14:14:34 -0700 | [diff] [blame] | 239 | } |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 240 | |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 241 | // if current.put succeeded |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 242 | pendingMap.remove(newData.key(), newData); |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 243 | } |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 244 | } |
| 245 | |
Brian O'Connor | 9081c90 | 2015-03-05 16:26:25 -0800 | [diff] [blame] | 246 | private Collection<NodeId> getPeerNodes(Key key, IntentData data) { |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 247 | NodeId master = partitionService.getLeader(key); |
| 248 | NodeId origin = (data != null) ? data.origin() : null; |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 249 | if (master == null || origin == null) { |
| 250 | log.warn("Intent {} has no home; master = {}, origin = {}", |
| 251 | data.key(), master, origin); |
| 252 | } |
| 253 | |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 254 | NodeId me = clusterService.getLocalNode().id(); |
| 255 | boolean isMaster = Objects.equals(master, me); |
| 256 | boolean isOrigin = Objects.equals(origin, me); |
| 257 | if (isMaster && isOrigin) { |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 258 | return getRandomNode(); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 259 | } else if (isMaster) { |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 260 | return origin != null ? ImmutableList.of(origin) : getRandomNode(); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 261 | } else if (isOrigin) { |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 262 | return master != null ? ImmutableList.of(master) : getRandomNode(); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 263 | } else { |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 264 | log.warn("Not master or origin for intent {}", data.key()); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 265 | return ImmutableList.of(master); |
| 266 | } |
| 267 | } |
| 268 | |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 269 | private List<NodeId> getRandomNode() { |
| 270 | NodeId me = clusterService.getLocalNode().id(); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 271 | List<NodeId> nodes = clusterService.getNodes().stream() |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 272 | .map(ControllerNode::id) |
| 273 | .filter(node -> !Objects.equals(node, me)) |
| 274 | .collect(Collectors.toList()); |
| 275 | if (nodes.size() == 0) { |
| 276 | return null; |
| 277 | } |
| 278 | return ImmutableList.of(nodes.get(RandomUtils.nextInt(nodes.size()))); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 279 | } |
| 280 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 281 | @Override |
| 282 | public void batchWrite(Iterable<IntentData> updates) { |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 283 | updates.forEach(this::write); |
| 284 | } |
| 285 | |
| 286 | @Override |
| 287 | public Intent getIntent(Key key) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 288 | IntentData data = currentMap.get(key); |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 289 | if (data != null) { |
| 290 | return data.intent(); |
| 291 | } |
| 292 | return null; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | @Override |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 296 | public IntentData getIntentData(Key key) { |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame^] | 297 | IntentData current = currentMap.get(key); |
| 298 | if (current == null) { |
| 299 | return null; |
| 300 | } |
| 301 | return new IntentData(current); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | @Override |
| 305 | public void addPending(IntentData data) { |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame^] | 306 | checkNotNull(data); |
| 307 | |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 308 | if (data.version() == null) { |
Jonathan Hart | 6a8fd1d | 2015-02-25 15:44:37 -0800 | [diff] [blame] | 309 | data.setVersion(new WallClockTimestamp()); |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 310 | } |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 311 | data.setOrigin(clusterService.getLocalNode().id()); |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame^] | 312 | pendingMap.put(data.key(), new IntentData(data)); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | @Override |
Brian O'Connor | be28a87 | 2015-02-19 21:44:37 -0800 | [diff] [blame] | 316 | public boolean isMaster(Key intentKey) { |
| 317 | return partitionService.isMine(intentKey); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 318 | } |
| 319 | |
Jonathan Hart | 34f1e38 | 2015-02-24 16:52:23 -0800 | [diff] [blame] | 320 | @Override |
| 321 | public Iterable<Intent> getPending() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 322 | return pendingMap.values().stream() |
Jonathan Hart | 34f1e38 | 2015-02-24 16:52:23 -0800 | [diff] [blame] | 323 | .map(IntentData::intent) |
| 324 | .collect(Collectors.toList()); |
| 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 | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame^] | 357 | delegate.process(new IntentData(event.value())); |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 358 | } |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 359 | } |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 360 | |
Jonathan Hart | 9288836 | 2015-02-13 13:14:59 -0800 | [diff] [blame] | 361 | notifyDelegateIfNotNull(IntentEvent.getEvent(event.value())); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 362 | } |
| 363 | } |
| 364 | } |
| 365 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 366 | } |
| 367 | |