Madan Jampani | 28b2cd6 | 2016-02-02 10:49:52 -0800 | [diff] [blame] | 1 | package org.onosproject.store.primitives; |
| 2 | |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 3 | /* |
Madan Jampani | 28b2cd6 | 2016-02-02 10:49:52 -0800 | [diff] [blame] | 4 | * Copyright 2016 Open Networking Laboratory |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 18 | import java.util.Collection; |
Madan Jampani | e106522 | 2015-08-17 16:21:51 -0700 | [diff] [blame] | 19 | import java.util.Map; |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 20 | import java.util.Map.Entry; |
Madan Jampani | f6c973a | 2016-01-30 22:20:48 -0800 | [diff] [blame] | 21 | import java.util.Objects; |
Madan Jampani | fa24218 | 2016-01-22 13:42:54 -0800 | [diff] [blame] | 22 | import java.util.Set; |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 23 | import java.util.concurrent.CompletableFuture; |
| 24 | import java.util.concurrent.ExecutionException; |
| 25 | import java.util.concurrent.TimeUnit; |
| 26 | import java.util.concurrent.TimeoutException; |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 27 | import java.util.function.BiFunction; |
| 28 | import java.util.function.Function; |
| 29 | import java.util.function.Predicate; |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 30 | |
Madan Jampani | f6c973a | 2016-01-30 22:20:48 -0800 | [diff] [blame] | 31 | import org.onlab.util.Tools; |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 32 | import org.onosproject.store.service.AsyncConsistentMap; |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 33 | import org.onosproject.store.service.ConsistentMap; |
| 34 | import org.onosproject.store.service.ConsistentMapException; |
Madan Jampani | f6c973a | 2016-01-30 22:20:48 -0800 | [diff] [blame] | 35 | import org.onosproject.store.service.ConsistentMapException.ConcurrentModification; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 36 | import org.onosproject.store.service.MapEventListener; |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 37 | import org.onosproject.store.service.Synchronous; |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 38 | import org.onosproject.store.service.Versioned; |
| 39 | |
Madan Jampani | f6c973a | 2016-01-30 22:20:48 -0800 | [diff] [blame] | 40 | import com.google.common.base.Throwables; |
| 41 | |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 42 | /** |
Madan Jampani | fa24218 | 2016-01-22 13:42:54 -0800 | [diff] [blame] | 43 | * Default implementation of {@code ConsistentMap}. |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 44 | * |
| 45 | * @param <K> type of key. |
| 46 | * @param <V> type of value. |
| 47 | */ |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 48 | public class DefaultConsistentMap<K, V> extends Synchronous<AsyncConsistentMap<K, V>> implements ConsistentMap<K, V> { |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 49 | |
Madan Jampani | f6c973a | 2016-01-30 22:20:48 -0800 | [diff] [blame] | 50 | private static final int MAX_DELAY_BETWEEN_RETY_MILLS = 50; |
Madan Jampani | fa24218 | 2016-01-22 13:42:54 -0800 | [diff] [blame] | 51 | private final AsyncConsistentMap<K, V> asyncMap; |
Madan Jampani | 28b2cd6 | 2016-02-02 10:49:52 -0800 | [diff] [blame] | 52 | private final long operationTimeoutMillis; |
Madan Jampani | e106522 | 2015-08-17 16:21:51 -0700 | [diff] [blame] | 53 | private Map<K, V> javaMap; |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 54 | |
Madan Jampani | 28b2cd6 | 2016-02-02 10:49:52 -0800 | [diff] [blame] | 55 | public DefaultConsistentMap(AsyncConsistentMap<K, V> asyncMap, long operationTimeoutMillis) { |
Madan Jampani | a090a11 | 2016-01-18 16:38:17 -0800 | [diff] [blame] | 56 | super(asyncMap); |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 57 | this.asyncMap = asyncMap; |
Madan Jampani | 28b2cd6 | 2016-02-02 10:49:52 -0800 | [diff] [blame] | 58 | this.operationTimeoutMillis = operationTimeoutMillis; |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public int size() { |
| 63 | return complete(asyncMap.size()); |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public boolean isEmpty() { |
| 68 | return complete(asyncMap.isEmpty()); |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public boolean containsKey(K key) { |
| 73 | return complete(asyncMap.containsKey(key)); |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public boolean containsValue(V value) { |
| 78 | return complete(asyncMap.containsValue(value)); |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public Versioned<V> get(K key) { |
| 83 | return complete(asyncMap.get(key)); |
| 84 | } |
| 85 | |
| 86 | @Override |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 87 | public Versioned<V> computeIfAbsent(K key, |
| 88 | Function<? super K, ? extends V> mappingFunction) { |
Madan Jampani | f6c973a | 2016-01-30 22:20:48 -0800 | [diff] [blame] | 89 | return computeIf(key, Objects::isNull, (k, v) -> mappingFunction.apply(k)); |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | @Override |
| 93 | public Versioned<V> computeIfPresent(K key, |
| 94 | BiFunction<? super K, ? super V, ? extends V> remappingFunction) { |
Madan Jampani | f6c973a | 2016-01-30 22:20:48 -0800 | [diff] [blame] | 95 | return computeIf(key, Objects::nonNull, remappingFunction); |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | @Override |
| 99 | public Versioned<V> compute(K key, |
| 100 | BiFunction<? super K, ? super V, ? extends V> remappingFunction) { |
Madan Jampani | f6c973a | 2016-01-30 22:20:48 -0800 | [diff] [blame] | 101 | return computeIf(key, v -> true, remappingFunction); |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | @Override |
| 105 | public Versioned<V> computeIf(K key, |
| 106 | Predicate<? super V> condition, |
| 107 | BiFunction<? super K, ? super V, ? extends V> remappingFunction) { |
Madan Jampani | f6c973a | 2016-01-30 22:20:48 -0800 | [diff] [blame] | 108 | return Tools.retryable(() -> complete(asyncMap.computeIf(key, condition, remappingFunction)), |
| 109 | ConcurrentModification.class, |
| 110 | Integer.MAX_VALUE, |
| 111 | MAX_DELAY_BETWEEN_RETY_MILLS).get(); |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | @Override |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 115 | public Versioned<V> put(K key, V value) { |
| 116 | return complete(asyncMap.put(key, value)); |
| 117 | } |
| 118 | |
| 119 | @Override |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 120 | public Versioned<V> putAndGet(K key, V value) { |
| 121 | return complete(asyncMap.putAndGet(key, value)); |
| 122 | } |
| 123 | |
| 124 | @Override |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 125 | public Versioned<V> remove(K key) { |
| 126 | return complete(asyncMap.remove(key)); |
| 127 | } |
| 128 | |
| 129 | @Override |
| 130 | public void clear() { |
| 131 | complete(asyncMap.clear()); |
| 132 | } |
| 133 | |
| 134 | @Override |
| 135 | public Set<K> keySet() { |
| 136 | return complete(asyncMap.keySet()); |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | public Collection<Versioned<V>> values() { |
| 141 | return complete(asyncMap.values()); |
| 142 | } |
| 143 | |
| 144 | @Override |
| 145 | public Set<Entry<K, Versioned<V>>> entrySet() { |
| 146 | return complete(asyncMap.entrySet()); |
| 147 | } |
| 148 | |
| 149 | @Override |
| 150 | public Versioned<V> putIfAbsent(K key, V value) { |
| 151 | return complete(asyncMap.putIfAbsent(key, value)); |
| 152 | } |
| 153 | |
| 154 | @Override |
| 155 | public boolean remove(K key, V value) { |
| 156 | return complete(asyncMap.remove(key, value)); |
| 157 | } |
| 158 | |
| 159 | @Override |
| 160 | public boolean remove(K key, long version) { |
| 161 | return complete(asyncMap.remove(key, version)); |
| 162 | } |
| 163 | |
| 164 | @Override |
Jihwan Kim | 9887ad9 | 2015-12-12 00:23:57 +0900 | [diff] [blame] | 165 | public Versioned<V> replace(K key, V value) { |
| 166 | return complete(asyncMap.replace(key, value)); |
| 167 | } |
| 168 | |
| 169 | @Override |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 170 | public boolean replace(K key, V oldValue, V newValue) { |
| 171 | return complete(asyncMap.replace(key, oldValue, newValue)); |
| 172 | } |
| 173 | |
| 174 | @Override |
| 175 | public boolean replace(K key, long oldVersion, V newValue) { |
| 176 | return complete(asyncMap.replace(key, oldVersion, newValue)); |
| 177 | } |
| 178 | |
Madan Jampani | fa24218 | 2016-01-22 13:42:54 -0800 | [diff] [blame] | 179 | @Override |
| 180 | public void addListener(MapEventListener<K, V> listener) { |
| 181 | complete(asyncMap.addListener(listener)); |
| 182 | } |
| 183 | |
| 184 | @Override |
| 185 | public void removeListener(MapEventListener<K, V> listener) { |
| 186 | complete(asyncMap.addListener(listener)); |
| 187 | } |
| 188 | |
| 189 | @Override |
| 190 | public Map<K, V> asJavaMap() { |
| 191 | synchronized (this) { |
| 192 | if (javaMap == null) { |
| 193 | javaMap = new ConsistentMapBackedJavaMap<>(this); |
| 194 | } |
| 195 | } |
| 196 | return javaMap; |
| 197 | } |
| 198 | |
HIGUCHI Yuta | dc4394c | 2016-01-29 15:35:10 -0800 | [diff] [blame] | 199 | @Override |
| 200 | public String toString() { |
| 201 | return asJavaMap().toString(); |
| 202 | } |
| 203 | |
Madan Jampani | 28b2cd6 | 2016-02-02 10:49:52 -0800 | [diff] [blame] | 204 | private <T> T complete(CompletableFuture<T> future) { |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 205 | try { |
Madan Jampani | 28b2cd6 | 2016-02-02 10:49:52 -0800 | [diff] [blame] | 206 | return future.get(operationTimeoutMillis, TimeUnit.MILLISECONDS); |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 207 | } catch (InterruptedException e) { |
| 208 | Thread.currentThread().interrupt(); |
| 209 | throw new ConsistentMapException.Interrupted(); |
| 210 | } catch (TimeoutException e) { |
| 211 | throw new ConsistentMapException.Timeout(); |
| 212 | } catch (ExecutionException e) { |
Madan Jampani | f6c973a | 2016-01-30 22:20:48 -0800 | [diff] [blame] | 213 | Throwables.propagateIfPossible(e.getCause()); |
| 214 | throw new ConsistentMapException(e.getCause()); |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 215 | } |
| 216 | } |
Madan Jampani | 7c52100 | 2015-03-23 12:23:01 -0700 | [diff] [blame] | 217 | } |