Madan Jampani | 2546111 | 2015-02-17 14:17:29 -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 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 17 | package org.onosproject.store.consistent.impl; |
| 18 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 19 | import net.kuujo.copycat.state.StateMachine; |
| 20 | import net.kuujo.copycat.resource.internal.AbstractResource; |
Madan Jampani | ed1b7fc | 2015-04-27 23:30:07 -0700 | [diff] [blame] | 21 | import net.kuujo.copycat.resource.internal.ResourceManager; |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 22 | import net.kuujo.copycat.state.internal.DefaultStateMachine; |
| 23 | import net.kuujo.copycat.util.concurrent.Futures; |
| 24 | |
| 25 | import java.util.Collection; |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 26 | import java.util.Map; |
| 27 | import java.util.Set; |
| 28 | import java.util.concurrent.CompletableFuture; |
| 29 | import java.util.function.Supplier; |
| 30 | |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame] | 31 | import org.onosproject.cluster.NodeId; |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 32 | import org.onosproject.store.service.Transaction; |
Madan Jampani | 393e0f0 | 2015-02-12 07:35:39 +0530 | [diff] [blame] | 33 | import org.onosproject.store.service.Versioned; |
| 34 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 35 | /** |
| 36 | * Default database. |
| 37 | */ |
| 38 | public class DefaultDatabase extends AbstractResource<Database> implements Database { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 39 | private final StateMachine<DatabaseState<String, byte[]>> stateMachine; |
| 40 | private DatabaseProxy<String, byte[]> proxy; |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 41 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 42 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
Madan Jampani | ed1b7fc | 2015-04-27 23:30:07 -0700 | [diff] [blame] | 43 | public DefaultDatabase(ResourceManager context) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 44 | super(context); |
Madan Jampani | 40537ca | 2015-07-14 19:50:33 -0700 | [diff] [blame] | 45 | this.stateMachine = new DefaultStateMachine(context, |
| 46 | DatabaseState.class, |
| 47 | DefaultDatabaseState.class, |
| 48 | DefaultDatabase.class.getClassLoader()); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 49 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 50 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 51 | /** |
| 52 | * If the database is closed, returning a failed CompletableFuture. Otherwise, calls the given supplier to |
| 53 | * return the completed future result. |
| 54 | * |
| 55 | * @param supplier The supplier to call if the database is open. |
| 56 | * @param <T> The future result type. |
| 57 | * @return A completable future that if this database is closed is immediately failed. |
| 58 | */ |
| 59 | protected <T> CompletableFuture<T> checkOpen(Supplier<CompletableFuture<T>> supplier) { |
| 60 | if (proxy == null) { |
| 61 | return Futures.exceptionalFuture(new IllegalStateException("Database closed")); |
| 62 | } |
| 63 | return supplier.get(); |
| 64 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 65 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 66 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 67 | public CompletableFuture<Set<String>> maps() { |
| 68 | return checkOpen(() -> proxy.maps()); |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | @Override |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 72 | public CompletableFuture<Map<String, Long>> counters() { |
| 73 | return checkOpen(() -> proxy.counters()); |
| 74 | } |
| 75 | |
| 76 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 77 | public CompletableFuture<Integer> mapSize(String mapName) { |
| 78 | return checkOpen(() -> proxy.mapSize(mapName)); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 79 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 80 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 81 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 82 | public CompletableFuture<Boolean> mapIsEmpty(String mapName) { |
| 83 | return checkOpen(() -> proxy.mapIsEmpty(mapName)); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 84 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 85 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 86 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 87 | public CompletableFuture<Boolean> mapContainsKey(String mapName, String key) { |
| 88 | return checkOpen(() -> proxy.mapContainsKey(mapName, key)); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 89 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 90 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 91 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 92 | public CompletableFuture<Boolean> mapContainsValue(String mapName, byte[] value) { |
| 93 | return checkOpen(() -> proxy.mapContainsValue(mapName, value)); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 94 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 95 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 96 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 97 | public CompletableFuture<Versioned<byte[]>> mapGet(String mapName, String key) { |
| 98 | return checkOpen(() -> proxy.mapGet(mapName, key)); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 99 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 100 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 101 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 102 | public CompletableFuture<Result<UpdateResult<String, byte[]>>> mapUpdate( |
| 103 | String mapName, String key, Match<byte[]> valueMatch, Match<Long> versionMatch, byte[] value) { |
| 104 | return checkOpen(() -> proxy.mapUpdate(mapName, key, valueMatch, versionMatch, value)); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 105 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 106 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 107 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 108 | public CompletableFuture<Result<Void>> mapClear(String mapName) { |
| 109 | return checkOpen(() -> proxy.mapClear(mapName)); |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 113 | public CompletableFuture<Set<String>> mapKeySet(String mapName) { |
| 114 | return checkOpen(() -> proxy.mapKeySet(mapName)); |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 118 | public CompletableFuture<Collection<Versioned<byte[]>>> mapValues(String mapName) { |
| 119 | return checkOpen(() -> proxy.mapValues(mapName)); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 120 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 121 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 122 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame^] | 123 | public CompletableFuture<Set<Map.Entry<String, Versioned<byte[]>>>> mapEntrySet(String mapName) { |
| 124 | return checkOpen(() -> proxy.mapEntrySet(mapName)); |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | @Override |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 128 | public CompletableFuture<Long> counterGet(String counterName) { |
| 129 | return checkOpen(() -> proxy.counterGet(counterName)); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | @Override |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 133 | public CompletableFuture<Long> counterAddAndGet(String counterName, long delta) { |
| 134 | return checkOpen(() -> proxy.counterAddAndGet(counterName, delta)); |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public CompletableFuture<Long> counterGetAndAdd(String counterName, long delta) { |
| 139 | return checkOpen(() -> proxy.counterGetAndAdd(counterName, delta)); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 140 | } |
| 141 | |
| 142 | @Override |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame] | 143 | public CompletableFuture<Long> queueSize(String queueName) { |
| 144 | return checkOpen(() -> proxy.queueSize(queueName)); |
| 145 | } |
| 146 | |
| 147 | @Override |
| 148 | public CompletableFuture<Set<NodeId>> queuePush(String queueName, byte[] entry) { |
| 149 | return checkOpen(() -> proxy.queuePush(queueName, entry)); |
| 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public CompletableFuture<byte[]> queuePop(String queueName, NodeId nodeId) { |
| 154 | return checkOpen(() -> proxy.queuePop(queueName, nodeId)); |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public CompletableFuture<byte[]> queuePeek(String queueName) { |
| 159 | return checkOpen(() -> proxy.queuePeek(queueName)); |
| 160 | } |
| 161 | |
| 162 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 163 | public CompletableFuture<Boolean> prepareAndCommit(Transaction transaction) { |
| 164 | return checkOpen(() -> proxy.prepareAndCommit(transaction)); |
| 165 | } |
| 166 | |
| 167 | @Override |
| 168 | public CompletableFuture<Boolean> prepare(Transaction transaction) { |
| 169 | return checkOpen(() -> proxy.prepare(transaction)); |
| 170 | } |
| 171 | |
| 172 | @Override |
| 173 | public CompletableFuture<Boolean> commit(Transaction transaction) { |
| 174 | return checkOpen(() -> proxy.commit(transaction)); |
| 175 | } |
| 176 | |
| 177 | @Override |
| 178 | public CompletableFuture<Boolean> rollback(Transaction transaction) { |
| 179 | return checkOpen(() -> proxy.rollback(transaction)); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 180 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 181 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 182 | @Override |
| 183 | @SuppressWarnings("unchecked") |
| 184 | public synchronized CompletableFuture<Database> open() { |
| 185 | return runStartupTasks() |
| 186 | .thenCompose(v -> stateMachine.open()) |
| 187 | .thenRun(() -> { |
| 188 | this.proxy = stateMachine.createProxy(DatabaseProxy.class, this.getClass().getClassLoader()); |
| 189 | }) |
| 190 | .thenApply(v -> null); |
| 191 | } |
| 192 | |
| 193 | @Override |
| 194 | public synchronized CompletableFuture<Void> close() { |
| 195 | proxy = null; |
| 196 | return stateMachine.close() |
| 197 | .thenCompose(v -> runShutdownTasks()); |
| 198 | } |
| 199 | |
| 200 | @Override |
| 201 | public int hashCode() { |
| 202 | return name().hashCode(); |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public boolean equals(Object other) { |
| 207 | if (other instanceof Database) { |
| 208 | return name().equals(((Database) other).name()); |
| 209 | } |
| 210 | return false; |
| 211 | } |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 212 | } |