Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -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.store.primitives.impl; |
| 18 | |
| 19 | import com.google.common.collect.Maps; |
| 20 | import org.onlab.util.Tools; |
Jordan Halterman | 948d659 | 2017-04-20 17:18:24 -0700 | [diff] [blame] | 21 | import org.onosproject.store.primitives.MapUpdate; |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 22 | import org.onosproject.store.primitives.TransactionId; |
| 23 | import org.onosproject.store.service.AsyncConsistentTreeMap; |
Jordan Halterman | dae1160 | 2018-07-03 00:00:47 -0700 | [diff] [blame] | 24 | import org.onosproject.store.service.AsyncIterator; |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 25 | import org.onosproject.store.service.MapEvent; |
| 26 | import org.onosproject.store.service.MapEventListener; |
Jordan Halterman | 948d659 | 2017-04-20 17:18:24 -0700 | [diff] [blame] | 27 | import org.onosproject.store.service.TransactionLog; |
| 28 | import org.onosproject.store.service.Version; |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 29 | import org.onosproject.store.service.Versioned; |
| 30 | |
| 31 | import java.util.Collection; |
| 32 | import java.util.Map; |
| 33 | import java.util.NavigableMap; |
| 34 | import java.util.NavigableSet; |
| 35 | import java.util.Set; |
| 36 | import java.util.concurrent.CompletableFuture; |
| 37 | import java.util.concurrent.Executor; |
| 38 | import java.util.function.BiFunction; |
| 39 | import java.util.function.Function; |
| 40 | import java.util.function.Predicate; |
| 41 | import java.util.stream.Collectors; |
| 42 | |
| 43 | /** |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 44 | * An {@code AsyncConsistentTreeMap} that maps its operations to operations on |
| 45 | * a differently typed {@code AsyncConsistentTreeMap} by transcoding operation |
| 46 | * inputs and outputs. |
| 47 | * |
| 48 | * @param <V2> value type of other map |
| 49 | * @param <V1> value type of this map |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 50 | */ |
| 51 | public class TranscodingAsyncConsistentTreeMap<V1, V2> |
| 52 | implements AsyncConsistentTreeMap<V1> { |
| 53 | private final AsyncConsistentTreeMap<V2> backingMap; |
| 54 | private final Function<V2, V1> valueDecoder; |
| 55 | private final Function<V1, V2> valueEncoder; |
| 56 | private final Function<Versioned<V2>, Versioned<V1>> |
| 57 | versionedValueTransform; |
| 58 | private final Map<MapEventListener<String, V1>, |
| 59 | TranscodingAsyncConsistentTreeMap.InternalBackingMapEventListener> |
| 60 | listeners = Maps.newIdentityHashMap(); |
| 61 | |
| 62 | public TranscodingAsyncConsistentTreeMap( |
| 63 | AsyncConsistentTreeMap<V2> backingMap, |
| 64 | Function<V1, V2> valueEncoder, |
| 65 | Function<V2, V1> valueDecoder) { |
| 66 | this.backingMap = backingMap; |
| 67 | this.valueEncoder = v -> v == null ? null : valueEncoder.apply(v); |
| 68 | this.valueDecoder = v -> v == null ? null : valueDecoder.apply(v); |
| 69 | this.versionedValueTransform = v -> v == null ? null : |
| 70 | v.map(valueDecoder); |
| 71 | } |
Jordan Halterman | f627244 | 2017-04-20 02:18:08 -0700 | [diff] [blame] | 72 | |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 73 | @Override |
| 74 | public CompletableFuture<String> firstKey() { |
| 75 | return backingMap.firstKey(); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public CompletableFuture<String> lastKey() { |
| 80 | return backingMap.lastKey(); |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public CompletableFuture<Map.Entry<String, Versioned<V1>>> |
| 85 | ceilingEntry(String key) { |
| 86 | return backingMap.ceilingEntry(key) |
| 87 | .thenApply( |
| 88 | entry -> |
| 89 | Maps.immutableEntry( |
| 90 | entry.getKey(), |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 91 | versionedValueTransform |
| 92 | .apply(entry.getValue()))); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public CompletableFuture<Map.Entry<String, Versioned<V1>>> |
| 97 | floorEntry(String key) { |
| 98 | return backingMap.floorEntry(key) |
| 99 | .thenApply( |
| 100 | entry -> |
| 101 | Maps.immutableEntry( |
| 102 | entry.getKey(), |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 103 | versionedValueTransform |
| 104 | .apply(entry.getValue()))); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | @Override |
| 108 | public CompletableFuture<Map.Entry<String, Versioned<V1>>> |
| 109 | higherEntry(String key) { |
| 110 | return backingMap |
| 111 | .higherEntry(key) |
| 112 | .thenApply(entry -> |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 113 | Maps.immutableEntry( |
| 114 | entry.getKey(), |
| 115 | versionedValueTransform |
| 116 | .apply(entry.getValue()))); |
| 117 | } |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 118 | |
| 119 | @Override |
| 120 | public CompletableFuture<Map.Entry<String, Versioned<V1>>> |
| 121 | lowerEntry(String key) { |
| 122 | return backingMap.lowerEntry(key).thenApply( |
| 123 | entry -> |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 124 | Maps.immutableEntry( |
| 125 | entry.getKey(), |
| 126 | versionedValueTransform |
| 127 | .apply(entry.getValue()))); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public CompletableFuture<Map.Entry<String, Versioned<V1>>> |
| 132 | firstEntry() { |
| 133 | return backingMap.firstEntry() |
| 134 | .thenApply(entry -> |
| 135 | Maps.immutableEntry( |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 136 | entry.getKey(), |
| 137 | versionedValueTransform |
| 138 | .apply(entry.getValue()))); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | @Override |
| 142 | public CompletableFuture<Map.Entry<String, Versioned<V1>>> |
| 143 | lastEntry() { |
| 144 | return backingMap.lastEntry() |
| 145 | .thenApply( |
| 146 | entry -> Maps.immutableEntry( |
| 147 | entry.getKey(), |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 148 | versionedValueTransform |
| 149 | .apply(entry.getValue()))); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public CompletableFuture<Map.Entry<String, Versioned<V1>>> |
| 154 | pollFirstEntry() { |
| 155 | return backingMap.pollFirstEntry() |
| 156 | .thenApply( |
| 157 | entry -> Maps.immutableEntry( |
| 158 | entry.getKey(), |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 159 | versionedValueTransform |
| 160 | .apply(entry.getValue()))); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | @Override |
| 164 | public CompletableFuture<Map.Entry<String, Versioned<V1>>> |
| 165 | pollLastEntry() { |
| 166 | return backingMap.pollLastEntry() |
| 167 | .thenApply(entry -> Maps.immutableEntry( |
| 168 | entry.getKey(), |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 169 | versionedValueTransform.apply(entry.getValue()))); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | @Override |
| 173 | public CompletableFuture<String> lowerKey(String key) { |
| 174 | return backingMap.lowerKey(key); |
| 175 | } |
| 176 | |
| 177 | @Override |
| 178 | public CompletableFuture<String> floorKey(String key) { |
| 179 | return backingMap.floorKey(key); |
| 180 | } |
| 181 | |
| 182 | @Override |
| 183 | public CompletableFuture<String> ceilingKey(String key) { |
| 184 | return backingMap.ceilingKey(key); |
| 185 | } |
| 186 | |
| 187 | @Override |
| 188 | public CompletableFuture<String> higherKey(String key) { |
| 189 | return backingMap.higherKey(key); |
| 190 | } |
| 191 | |
| 192 | @Override |
| 193 | public CompletableFuture<NavigableSet<String>> navigableKeySet() { |
| 194 | return backingMap.navigableKeySet(); |
| 195 | } |
| 196 | |
| 197 | @Override |
| 198 | public CompletableFuture<NavigableMap<String, V1>> subMap( |
| 199 | String upperKey, |
| 200 | String lowerKey, |
| 201 | boolean inclusiveUpper, |
| 202 | boolean inclusiveLower) { |
| 203 | throw new UnsupportedOperationException("This operation is not yet" + |
| 204 | "supported."); |
| 205 | } |
| 206 | |
| 207 | @Override |
| 208 | public String name() { |
| 209 | return backingMap.name(); |
| 210 | } |
| 211 | |
| 212 | @Override |
| 213 | public CompletableFuture<Integer> size() { |
| 214 | return backingMap.size(); |
| 215 | } |
| 216 | |
| 217 | @Override |
| 218 | public CompletableFuture<Boolean> containsKey(String key) { |
| 219 | return backingMap.containsKey(key); |
| 220 | } |
| 221 | |
| 222 | @Override |
| 223 | public CompletableFuture<Boolean> containsValue(V1 value) { |
| 224 | return backingMap.containsValue(valueEncoder.apply(value)); |
| 225 | } |
| 226 | |
| 227 | @Override |
| 228 | public CompletableFuture<Versioned<V1>> get(String key) { |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 229 | return backingMap.get(key).thenApply(versionedValueTransform); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | @Override |
Jordan Halterman | f627244 | 2017-04-20 02:18:08 -0700 | [diff] [blame] | 233 | public CompletableFuture<Versioned<V1>> getOrDefault(String key, V1 defaultValue) { |
| 234 | return backingMap.getOrDefault(key, valueEncoder.apply(defaultValue)).thenApply(versionedValueTransform); |
| 235 | } |
| 236 | |
| 237 | @Override |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 238 | public CompletableFuture<Versioned<V1>> computeIf( |
| 239 | String key, Predicate<? super V1> condition, |
| 240 | BiFunction<? super String, ? super V1, ? extends V1> |
| 241 | remappingFunction) { |
| 242 | try { |
| 243 | return backingMap |
| 244 | .computeIf( |
| 245 | key, |
| 246 | v -> condition.test(valueDecoder.apply(v)), |
| 247 | (k, v) -> valueEncoder |
| 248 | .apply( |
| 249 | remappingFunction.apply( |
| 250 | key, |
| 251 | valueDecoder.apply(v)))) |
| 252 | .thenApply(versionedValueTransform); |
| 253 | } catch (Exception e) { |
| 254 | return Tools.exceptionalFuture(e); |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | @Override |
| 259 | public CompletableFuture<Versioned<V1>> put(String key, V1 value) { |
| 260 | return backingMap.put(key, valueEncoder.apply(value)) |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 261 | .thenApply(versionedValueTransform); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 262 | } |
| 263 | |
| 264 | @Override |
| 265 | public CompletableFuture<Versioned<V1>> putAndGet(String key, V1 value) { |
| 266 | return backingMap.putAndGet(key, valueEncoder.apply(value)) |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 267 | .thenApply(versionedValueTransform); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | @Override |
| 271 | public CompletableFuture<Versioned<V1>> remove(String key) { |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 272 | return backingMap.remove(key).thenApply(versionedValueTransform); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | @Override |
| 276 | public CompletableFuture<Void> clear() { |
| 277 | return backingMap.clear(); |
| 278 | } |
| 279 | |
| 280 | @Override |
| 281 | public CompletableFuture<Set<String>> keySet() { |
| 282 | return backingMap.keySet(); |
| 283 | } |
| 284 | |
| 285 | @Override |
| 286 | public CompletableFuture<Collection<Versioned<V1>>> values() { |
| 287 | return backingMap.values().thenApply(valueSet -> valueSet.stream() |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 288 | .map(versionedValueTransform).collect(Collectors.toSet())); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 289 | } |
| 290 | |
| 291 | @Override |
| 292 | public CompletableFuture<Set<Map.Entry<String, Versioned<V1>>>> |
| 293 | entrySet() { |
| 294 | return backingMap.entrySet() |
| 295 | .thenApply( |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 296 | entries -> entries |
| 297 | .stream() |
| 298 | .map(entry -> |
| 299 | Maps.immutableEntry( |
| 300 | entry.getKey(), |
| 301 | versionedValueTransform |
| 302 | .apply(entry.getValue()) |
| 303 | )) |
| 304 | .collect(Collectors.toSet())); |
| 305 | } |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 306 | |
| 307 | @Override |
| 308 | public CompletableFuture<Versioned<V1>> putIfAbsent(String key, V1 value) { |
| 309 | return backingMap.putIfAbsent(key, valueEncoder.apply(value)) |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 310 | .thenApply(versionedValueTransform); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 311 | } |
| 312 | |
| 313 | @Override |
| 314 | public CompletableFuture<Boolean> remove(String key, V1 value) { |
| 315 | return backingMap.remove(key, valueEncoder.apply(value)); |
| 316 | } |
| 317 | |
| 318 | @Override |
| 319 | public CompletableFuture<Boolean> remove(String key, long version) { |
| 320 | return backingMap.remove(key, version); |
| 321 | } |
| 322 | |
| 323 | @Override |
| 324 | public CompletableFuture<Versioned<V1>> replace(String key, V1 value) { |
| 325 | return backingMap.replace(key, valueEncoder.apply(value)) |
Aaron Kruglikov | b06078c | 2016-08-30 17:28:00 -0700 | [diff] [blame] | 326 | .thenApply(versionedValueTransform); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | @Override |
| 330 | public CompletableFuture<Boolean> replace(String key, V1 oldValue, |
| 331 | V1 newValue) { |
| 332 | return backingMap.replace(key, valueEncoder.apply(oldValue), |
| 333 | valueEncoder.apply(newValue)); |
| 334 | } |
| 335 | |
| 336 | @Override |
| 337 | public CompletableFuture<Boolean> replace(String key, long oldVersion, |
| 338 | V1 newValue) { |
| 339 | return backingMap.replace(key, oldVersion, |
| 340 | valueEncoder.apply(newValue)); |
| 341 | } |
| 342 | |
| 343 | @Override |
Jordan Halterman | dae1160 | 2018-07-03 00:00:47 -0700 | [diff] [blame] | 344 | public CompletableFuture<AsyncIterator<Map.Entry<String, Versioned<V1>>>> iterator() { |
| 345 | return backingMap.iterator().thenApply(TranscodingIterator::new); |
| 346 | } |
| 347 | |
| 348 | @Override |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 349 | public CompletableFuture<Void> addListener( |
| 350 | MapEventListener<String, V1> listener, |
| 351 | Executor executor) { |
| 352 | InternalBackingMapEventListener backingMapEventListener = |
| 353 | listeners.computeIfAbsent( |
| 354 | listener, |
| 355 | k -> new InternalBackingMapEventListener(listener)); |
| 356 | return backingMap.addListener(backingMapEventListener, executor); |
| 357 | } |
| 358 | |
| 359 | @Override |
| 360 | public CompletableFuture<Void> removeListener( |
| 361 | MapEventListener<String, V1> listener) { |
| 362 | InternalBackingMapEventListener backingMapEventListener = |
| 363 | listeners.remove(listener); |
| 364 | if (backingMapEventListener == null) { |
| 365 | return CompletableFuture.completedFuture(null); |
| 366 | } else { |
| 367 | return backingMap.removeListener(backingMapEventListener); |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | @Override |
Jordan Halterman | 948d659 | 2017-04-20 17:18:24 -0700 | [diff] [blame] | 372 | public CompletableFuture<Version> begin(TransactionId transactionId) { |
| 373 | throw new UnsupportedOperationException("This operation is not yet supported."); |
| 374 | } |
| 375 | |
| 376 | @Override |
| 377 | public CompletableFuture<Boolean> prepare(TransactionLog<MapUpdate<String, V1>> transactionLog) { |
| 378 | throw new UnsupportedOperationException("This operation is not yet supported."); |
| 379 | } |
| 380 | |
| 381 | @Override |
| 382 | public CompletableFuture<Boolean> prepareAndCommit(TransactionLog<MapUpdate<String, V1>> transactionLog) { |
| 383 | throw new UnsupportedOperationException("This operation is not yet supported."); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | @Override |
| 387 | public CompletableFuture<Void> commit(TransactionId transactionId) { |
Jordan Halterman | 948d659 | 2017-04-20 17:18:24 -0700 | [diff] [blame] | 388 | throw new UnsupportedOperationException("This operation is not yet supported."); |
| 389 | } |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 390 | |
| 391 | @Override |
| 392 | public CompletableFuture<Void> rollback(TransactionId transactionId) { |
Jordan Halterman | 948d659 | 2017-04-20 17:18:24 -0700 | [diff] [blame] | 393 | throw new UnsupportedOperationException("This operation is not yet supported."); |
| 394 | } |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 395 | |
Jordan Halterman | dae1160 | 2018-07-03 00:00:47 -0700 | [diff] [blame] | 396 | private class TranscodingIterator implements AsyncIterator<Map.Entry<String, Versioned<V1>>> { |
| 397 | private final AsyncIterator<Map.Entry<String, Versioned<V2>>> iterator; |
| 398 | |
| 399 | public TranscodingIterator(AsyncIterator<Map.Entry<String, Versioned<V2>>> iterator) { |
| 400 | this.iterator = iterator; |
| 401 | } |
| 402 | |
| 403 | @Override |
| 404 | public CompletableFuture<Boolean> hasNext() { |
| 405 | return iterator.hasNext(); |
| 406 | } |
| 407 | |
| 408 | @Override |
| 409 | public CompletableFuture<Map.Entry<String, Versioned<V1>>> next() { |
| 410 | return iterator.next().thenApply(entry -> |
| 411 | Maps.immutableEntry(entry.getKey(), entry.getValue().map(valueDecoder))); |
| 412 | } |
| 413 | } |
| 414 | |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 415 | private class InternalBackingMapEventListener |
| 416 | implements MapEventListener<String, V2> { |
| 417 | |
| 418 | private final MapEventListener<String, V1> listener; |
| 419 | |
| 420 | InternalBackingMapEventListener( |
| 421 | MapEventListener<String, V1> listener) { |
| 422 | this.listener = listener; |
| 423 | } |
| 424 | |
| 425 | @Override |
| 426 | public void event(MapEvent<String, V2> event) { |
| 427 | listener.event(new MapEvent<String, V1>( |
Jordan Halterman | 71635ae | 2017-07-28 10:35:43 -0700 | [diff] [blame] | 428 | event.type(), |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 429 | event.name(), |
| 430 | event.key(), |
| 431 | event.newValue() != null ? |
| 432 | event.newValue().map(valueDecoder) : null, |
| 433 | event.oldValue() != null ? |
| 434 | event.oldValue().map(valueDecoder) : null)); |
| 435 | } |
| 436 | } |
| 437 | } |