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); |
| 45 | this.stateMachine = new DefaultStateMachine(context, DatabaseState.class, DefaultDatabaseState.class); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 46 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 47 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 48 | /** |
| 49 | * If the database is closed, returning a failed CompletableFuture. Otherwise, calls the given supplier to |
| 50 | * return the completed future result. |
| 51 | * |
| 52 | * @param supplier The supplier to call if the database is open. |
| 53 | * @param <T> The future result type. |
| 54 | * @return A completable future that if this database is closed is immediately failed. |
| 55 | */ |
| 56 | protected <T> CompletableFuture<T> checkOpen(Supplier<CompletableFuture<T>> supplier) { |
| 57 | if (proxy == null) { |
| 58 | return Futures.exceptionalFuture(new IllegalStateException("Database closed")); |
| 59 | } |
| 60 | return supplier.get(); |
| 61 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 62 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 63 | @Override |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 64 | public CompletableFuture<Set<String>> tableNames() { |
| 65 | return checkOpen(() -> proxy.tableNames()); |
| 66 | } |
| 67 | |
| 68 | @Override |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 69 | public CompletableFuture<Map<String, Long>> counters() { |
| 70 | return checkOpen(() -> proxy.counters()); |
| 71 | } |
| 72 | |
| 73 | @Override |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 74 | public CompletableFuture<Integer> size(String tableName) { |
| 75 | return checkOpen(() -> proxy.size(tableName)); |
| 76 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 77 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 78 | @Override |
| 79 | public CompletableFuture<Boolean> isEmpty(String tableName) { |
| 80 | return checkOpen(() -> proxy.isEmpty(tableName)); |
| 81 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 82 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 83 | @Override |
| 84 | public CompletableFuture<Boolean> containsKey(String tableName, String key) { |
| 85 | return checkOpen(() -> proxy.containsKey(tableName, key)); |
| 86 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 87 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 88 | @Override |
| 89 | public CompletableFuture<Boolean> containsValue(String tableName, byte[] value) { |
| 90 | return checkOpen(() -> proxy.containsValue(tableName, value)); |
| 91 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 92 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 93 | @Override |
| 94 | public CompletableFuture<Versioned<byte[]>> get(String tableName, String key) { |
| 95 | return checkOpen(() -> proxy.get(tableName, key)); |
| 96 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 97 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 98 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 99 | public CompletableFuture<Result<Versioned<byte[]>>> put(String tableName, String key, byte[] value) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 100 | return checkOpen(() -> proxy.put(tableName, key, value)); |
| 101 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 102 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 103 | @Override |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 104 | public CompletableFuture<Result<UpdateResult<Versioned<byte[]>>>> putAndGet(String tableName, |
| 105 | String key, |
| 106 | byte[] value) { |
| 107 | return checkOpen(() -> proxy.putAndGet(tableName, key, value)); |
| 108 | } |
| 109 | |
| 110 | @Override |
| 111 | public CompletableFuture<Result<UpdateResult<Versioned<byte[]>>>> putIfAbsentAndGet(String tableName, |
| 112 | String key, |
| 113 | byte[] value) { |
| 114 | return checkOpen(() -> proxy.putIfAbsentAndGet(tableName, key, value)); |
| 115 | } |
| 116 | |
| 117 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 118 | public CompletableFuture<Result<Versioned<byte[]>>> remove(String tableName, String key) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 119 | return checkOpen(() -> proxy.remove(tableName, key)); |
| 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 | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 123 | public CompletableFuture<Result<Void>> clear(String tableName) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 124 | return checkOpen(() -> proxy.clear(tableName)); |
| 125 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 126 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 127 | @Override |
| 128 | public CompletableFuture<Set<String>> keySet(String tableName) { |
| 129 | return checkOpen(() -> proxy.keySet(tableName)); |
| 130 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 131 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 132 | @Override |
| 133 | public CompletableFuture<Collection<Versioned<byte[]>>> values(String tableName) { |
| 134 | return checkOpen(() -> proxy.values(tableName)); |
| 135 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 136 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 137 | @Override |
| 138 | public CompletableFuture<Set<Map.Entry<String, Versioned<byte[]>>>> entrySet(String tableName) { |
| 139 | return checkOpen(() -> proxy.entrySet(tableName)); |
| 140 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 141 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 142 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 143 | public CompletableFuture<Result<Versioned<byte[]>>> putIfAbsent(String tableName, String key, byte[] value) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 144 | return checkOpen(() -> proxy.putIfAbsent(tableName, key, value)); |
| 145 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 146 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 147 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 148 | public CompletableFuture<Result<Boolean>> remove(String tableName, String key, byte[] value) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 149 | return checkOpen(() -> proxy.remove(tableName, key, value)); |
| 150 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 151 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 152 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 153 | public CompletableFuture<Result<Boolean>> remove(String tableName, String key, long version) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 154 | return checkOpen(() -> proxy.remove(tableName, key, version)); |
| 155 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 156 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 157 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 158 | public CompletableFuture<Result<Boolean>> replace(String tableName, String key, byte[] oldValue, byte[] newValue) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 159 | return checkOpen(() -> proxy.replace(tableName, key, oldValue, newValue)); |
| 160 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 161 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 162 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 163 | public CompletableFuture<Result<Boolean>> replace(String tableName, String key, long oldVersion, byte[] newValue) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 164 | return checkOpen(() -> proxy.replace(tableName, key, oldVersion, newValue)); |
| 165 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 166 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 167 | @Override |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 168 | public CompletableFuture<Result<UpdateResult<Versioned<byte[]>>>> replaceAndGet(String tableName, |
| 169 | String key, |
| 170 | long oldVersion, |
| 171 | byte[] newValue) { |
| 172 | return checkOpen(() -> proxy.replaceAndGet(tableName, key, oldVersion, newValue)); |
| 173 | } |
| 174 | |
| 175 | @Override |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 176 | public CompletableFuture<Long> counterGet(String counterName) { |
| 177 | return checkOpen(() -> proxy.counterGet(counterName)); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | @Override |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 181 | public CompletableFuture<Long> counterAddAndGet(String counterName, long delta) { |
| 182 | return checkOpen(() -> proxy.counterAddAndGet(counterName, delta)); |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | public CompletableFuture<Long> counterGetAndAdd(String counterName, long delta) { |
| 187 | return checkOpen(() -> proxy.counterGetAndAdd(counterName, delta)); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 188 | } |
| 189 | |
| 190 | @Override |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame] | 191 | public CompletableFuture<Long> queueSize(String queueName) { |
| 192 | return checkOpen(() -> proxy.queueSize(queueName)); |
| 193 | } |
| 194 | |
| 195 | @Override |
| 196 | public CompletableFuture<Set<NodeId>> queuePush(String queueName, byte[] entry) { |
| 197 | return checkOpen(() -> proxy.queuePush(queueName, entry)); |
| 198 | } |
| 199 | |
| 200 | @Override |
| 201 | public CompletableFuture<byte[]> queuePop(String queueName, NodeId nodeId) { |
| 202 | return checkOpen(() -> proxy.queuePop(queueName, nodeId)); |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public CompletableFuture<byte[]> queuePeek(String queueName) { |
| 207 | return checkOpen(() -> proxy.queuePeek(queueName)); |
| 208 | } |
| 209 | |
| 210 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 211 | public CompletableFuture<Boolean> prepareAndCommit(Transaction transaction) { |
| 212 | return checkOpen(() -> proxy.prepareAndCommit(transaction)); |
| 213 | } |
| 214 | |
| 215 | @Override |
| 216 | public CompletableFuture<Boolean> prepare(Transaction transaction) { |
| 217 | return checkOpen(() -> proxy.prepare(transaction)); |
| 218 | } |
| 219 | |
| 220 | @Override |
| 221 | public CompletableFuture<Boolean> commit(Transaction transaction) { |
| 222 | return checkOpen(() -> proxy.commit(transaction)); |
| 223 | } |
| 224 | |
| 225 | @Override |
| 226 | public CompletableFuture<Boolean> rollback(Transaction transaction) { |
| 227 | return checkOpen(() -> proxy.rollback(transaction)); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 228 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 229 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 230 | @Override |
| 231 | @SuppressWarnings("unchecked") |
| 232 | public synchronized CompletableFuture<Database> open() { |
| 233 | return runStartupTasks() |
| 234 | .thenCompose(v -> stateMachine.open()) |
| 235 | .thenRun(() -> { |
| 236 | this.proxy = stateMachine.createProxy(DatabaseProxy.class, this.getClass().getClassLoader()); |
| 237 | }) |
| 238 | .thenApply(v -> null); |
| 239 | } |
| 240 | |
| 241 | @Override |
| 242 | public synchronized CompletableFuture<Void> close() { |
| 243 | proxy = null; |
| 244 | return stateMachine.close() |
| 245 | .thenCompose(v -> runShutdownTasks()); |
| 246 | } |
| 247 | |
| 248 | @Override |
| 249 | public int hashCode() { |
| 250 | return name().hashCode(); |
| 251 | } |
| 252 | |
| 253 | @Override |
| 254 | public boolean equals(Object other) { |
| 255 | if (other instanceof Database) { |
| 256 | return name().equals(((Database) other).name()); |
| 257 | } |
| 258 | return false; |
| 259 | } |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 260 | } |