Ray Milkey | 6f44033 | 2015-07-31 10:40:53 -0700 | [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.service; |
| 17 | |
| 18 | import java.util.Collection; |
| 19 | import java.util.HashMap; |
| 20 | import java.util.LinkedList; |
| 21 | import java.util.List; |
| 22 | import java.util.Map; |
| 23 | import java.util.Set; |
| 24 | import java.util.function.BiFunction; |
| 25 | import java.util.function.Function; |
| 26 | import java.util.function.Predicate; |
| 27 | import java.util.stream.Collectors; |
| 28 | |
| 29 | import org.onosproject.core.ApplicationId; |
| 30 | import static org.onosproject.store.service.MapEvent.Type; |
| 31 | import static org.onosproject.store.service.MapEvent.Type.*; |
| 32 | |
| 33 | /** |
| 34 | * Test implementation of the consistent map. |
| 35 | */ |
| 36 | public final class TestConsistentMap<K, V> extends ConsistentMapAdapter<K, V> { |
| 37 | |
| 38 | private final List<MapEventListener<K, V>> listeners; |
| 39 | private final HashMap<K, V> map; |
| 40 | private final String mapName; |
| 41 | |
| 42 | private TestConsistentMap(String mapName) { |
| 43 | map = new HashMap<>(); |
| 44 | listeners = new LinkedList<>(); |
| 45 | this.mapName = mapName; |
| 46 | } |
| 47 | |
| 48 | private Versioned<V> version(V v) { |
| 49 | return new Versioned<>(v, 1, System.currentTimeMillis()); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Notify all listeners of an event. |
| 54 | */ |
| 55 | private void notifyListeners(String mapName, Type type, |
| 56 | K key, Versioned<V> value) { |
| 57 | MapEvent<K, V> event = new MapEvent<>(mapName, type, key, value); |
| 58 | listeners.forEach( |
| 59 | listener -> listener.event(event) |
| 60 | ); |
| 61 | } |
| 62 | |
| 63 | @Override |
| 64 | public int size() { |
| 65 | return map.size(); |
| 66 | } |
| 67 | |
| 68 | @Override |
| 69 | public boolean isEmpty() { |
| 70 | return map.isEmpty(); |
| 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public boolean containsKey(K key) { |
| 75 | return map.containsKey(key); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public boolean containsValue(V value) { |
| 80 | return map.containsValue(value); |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public Versioned<V> get(K key) { |
Ray Milkey | 24e60b3 | 2015-08-12 11:39:54 -0700 | [diff] [blame] | 85 | V value = map.get(key); |
| 86 | if (value != null) { |
| 87 | return version(value); |
| 88 | } else { |
| 89 | return null; |
| 90 | } |
Ray Milkey | 6f44033 | 2015-07-31 10:40:53 -0700 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public Versioned<V> computeIfAbsent(K key, Function<? super K, ? extends V> mappingFunction) { |
| 95 | Versioned<V> result = version(map.computeIfAbsent(key, mappingFunction)); |
| 96 | notifyListeners(mapName, INSERT, key, result); |
| 97 | return result; |
| 98 | } |
| 99 | |
| 100 | @Override |
| 101 | public Versioned<V> compute(K key, BiFunction<? super K, ? super V, ? extends V> remappingFunction) { |
| 102 | return version(map.compute(key, remappingFunction)); |
| 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public Versioned<V> computeIfPresent(K key, BiFunction<? super K, ? super V, ? extends V> remappingFunction) { |
| 107 | return version(map.computeIfPresent(key, remappingFunction)); |
| 108 | } |
| 109 | |
| 110 | @Override |
| 111 | public Versioned<V> computeIf(K key, Predicate<? super V> condition, |
| 112 | BiFunction<? super K, ? super V, ? extends V> remappingFunction) { |
| 113 | return null; |
| 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public Versioned<V> put(K key, V value) { |
| 118 | Versioned<V> result = version(map.put(key, value)); |
| 119 | notifyListeners(mapName, INSERT, key, result); |
| 120 | return result; |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public Versioned<V> putAndGet(K key, V value) { |
| 125 | Versioned<V> result = version(map.put(key, value)); |
| 126 | notifyListeners(mapName, UPDATE, key, result); |
| 127 | return result; |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public Versioned<V> remove(K key) { |
| 132 | Versioned<V> result = version(map.remove(key)); |
| 133 | notifyListeners(mapName, REMOVE, key, result); |
| 134 | return result; |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public void clear() { |
| 139 | map.clear(); |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public Set<K> keySet() { |
| 144 | return map.keySet(); |
| 145 | } |
| 146 | |
| 147 | @Override |
| 148 | public Collection<Versioned<V>> values() { |
| 149 | return map |
| 150 | .values() |
| 151 | .stream() |
| 152 | .map(this::version) |
| 153 | .collect(Collectors.toList()); |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public Set<Map.Entry<K, Versioned<V>>> entrySet() { |
| 158 | return super.entrySet(); |
| 159 | } |
| 160 | |
| 161 | @Override |
| 162 | public Versioned<V> putIfAbsent(K key, V value) { |
| 163 | Versioned<V> result = version(map.putIfAbsent(key, value)); |
| 164 | if (map.get(key).equals(value)) { |
| 165 | notifyListeners(mapName, INSERT, key, result); |
| 166 | } |
| 167 | return result; |
| 168 | } |
| 169 | |
| 170 | @Override |
| 171 | public boolean remove(K key, V value) { |
| 172 | boolean removed = map.remove(key, value); |
| 173 | if (removed) { |
| 174 | notifyListeners(mapName, REMOVE, key, null); |
| 175 | } |
| 176 | return removed; |
| 177 | } |
| 178 | |
| 179 | @Override |
| 180 | public boolean remove(K key, long version) { |
| 181 | boolean removed = map.remove(key, version); |
| 182 | if (removed) { |
| 183 | notifyListeners(mapName, REMOVE, key, null); |
| 184 | } |
| 185 | return removed; |
| 186 | } |
| 187 | |
| 188 | @Override |
| 189 | public boolean replace(K key, V oldValue, V newValue) { |
| 190 | boolean replaced = map.replace(key, oldValue, newValue); |
| 191 | if (replaced) { |
| 192 | notifyListeners(mapName, REMOVE, key, null); |
| 193 | } |
| 194 | return replaced; |
| 195 | } |
| 196 | |
| 197 | @Override |
| 198 | public boolean replace(K key, long oldVersion, V newValue) { |
| 199 | boolean replaced = map.replace(key, map.get(key), newValue); |
| 200 | if (replaced) { |
| 201 | notifyListeners(mapName, REMOVE, key, null); |
| 202 | } |
| 203 | return replaced; |
| 204 | } |
| 205 | |
| 206 | @Override |
| 207 | public void addListener(MapEventListener<K, V> listener) { |
| 208 | listeners.add(listener); |
| 209 | } |
| 210 | |
| 211 | @Override |
| 212 | public void removeListener(MapEventListener<K, V> listener) { |
| 213 | listeners.remove(listener); |
| 214 | } |
| 215 | |
| 216 | public static Builder builder() { |
| 217 | return new Builder(); |
| 218 | } |
| 219 | |
| 220 | public static class Builder<K, V> implements ConsistentMapBuilder<K, V> { |
| 221 | String mapName = "map"; |
| 222 | |
| 223 | @Override |
| 224 | public ConsistentMapBuilder<K, V> withName(String mapName) { |
| 225 | this.mapName = mapName; |
| 226 | return this; |
| 227 | } |
| 228 | |
| 229 | @Override |
| 230 | public ConsistentMapBuilder<K, V> withApplicationId(ApplicationId id) { |
| 231 | return this; |
| 232 | } |
| 233 | |
| 234 | @Override |
| 235 | public ConsistentMapBuilder<K, V> withSerializer(Serializer serializer) { |
| 236 | return this; |
| 237 | } |
| 238 | |
| 239 | @Override |
| 240 | public ConsistentMapBuilder<K, V> withPartitionsDisabled() { |
| 241 | return this; |
| 242 | } |
| 243 | |
| 244 | @Override |
| 245 | public ConsistentMapBuilder<K, V> withUpdatesDisabled() { |
| 246 | return this; |
| 247 | } |
| 248 | |
| 249 | @Override |
| 250 | public ConsistentMapBuilder<K, V> withPurgeOnUninstall() { |
| 251 | return this; |
| 252 | } |
| 253 | |
| 254 | @Override |
Madan Jampani | 3d6a2f6 | 2015-08-12 07:19:07 -0700 | [diff] [blame] | 255 | public ConsistentMapBuilder<K, V> withRelaxedReadConsistency() { |
| 256 | return this; |
| 257 | } |
| 258 | |
| 259 | @Override |
Flavio Castro | 41b1f3a | 2015-07-31 13:51:32 -0700 | [diff] [blame] | 260 | public ConsistentMapBuilder<K, V> withMeteringDisabled() { |
| 261 | return this; |
| 262 | } |
| 263 | |
| 264 | @Override |
Ray Milkey | 6f44033 | 2015-07-31 10:40:53 -0700 | [diff] [blame] | 265 | public ConsistentMap<K, V> build() { |
| 266 | return new TestConsistentMap<>(mapName); |
| 267 | } |
| 268 | |
| 269 | @Override |
| 270 | public AsyncConsistentMap<K, V> buildAsyncMap() { |
| 271 | return null; |
| 272 | } |
| 273 | |
| 274 | } |
| 275 | |
| 276 | } |