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 | |
| 19 | import java.util.Collection; |
| 20 | import java.util.List; |
| 21 | import java.util.Map; |
| 22 | import java.util.Map.Entry; |
| 23 | import java.util.Set; |
| 24 | import java.util.concurrent.CompletableFuture; |
| 25 | import java.util.concurrent.CopyOnWriteArrayList; |
| 26 | import java.util.concurrent.atomic.AtomicBoolean; |
| 27 | import java.util.concurrent.atomic.AtomicInteger; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 28 | import java.util.stream.Collectors; |
Madan Jampani | 393e0f0 | 2015-02-12 07:35:39 +0530 | [diff] [blame] | 29 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 30 | import org.onosproject.store.service.DatabaseUpdate; |
| 31 | import org.onosproject.store.service.Transaction; |
Madan Jampani | 393e0f0 | 2015-02-12 07:35:39 +0530 | [diff] [blame] | 32 | import org.onosproject.store.service.Versioned; |
| 33 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 34 | import com.google.common.collect.Lists; |
| 35 | import com.google.common.collect.Maps; |
| 36 | import com.google.common.collect.Sets; |
| 37 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 38 | import net.kuujo.copycat.Task; |
| 39 | import net.kuujo.copycat.cluster.Cluster; |
Madan Jampani | ed1b7fc | 2015-04-27 23:30:07 -0700 | [diff] [blame] | 40 | import net.kuujo.copycat.resource.ResourceState; |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 41 | import static com.google.common.base.Preconditions.checkState; |
| 42 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 43 | /** |
| 44 | * A database that partitions the keys across one or more database partitions. |
| 45 | */ |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 46 | public class PartitionedDatabase implements Database { |
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 | private final String name; |
| 49 | private final Partitioner<String> partitioner; |
| 50 | private final List<Database> partitions; |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 51 | private final AtomicBoolean isOpen = new AtomicBoolean(false); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 52 | private static final String DB_NOT_OPEN = "Partitioned Database is not open"; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 53 | private TransactionManager transactionManager; |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 54 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 55 | public PartitionedDatabase( |
| 56 | String name, |
| 57 | Collection<Database> partitions) { |
| 58 | this.name = name; |
| 59 | this.partitions = partitions |
| 60 | .stream() |
| 61 | .sorted((db1, db2) -> db1.name().compareTo(db2.name())) |
| 62 | .collect(Collectors.toList()); |
| 63 | this.partitioner = new SimpleKeyHashPartitioner(this.partitions); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Returns the databases for individual partitions. |
| 68 | * @return list of database partitions |
| 69 | */ |
| 70 | public List<Database> getPartitions() { |
| 71 | return partitions; |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 72 | } |
| 73 | |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 74 | /** |
| 75 | * Returns true if the database is open. |
| 76 | * @return true if open, false otherwise |
| 77 | */ |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 78 | @Override |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 79 | public boolean isOpen() { |
| 80 | return isOpen.get(); |
| 81 | } |
| 82 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 83 | @Override |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 84 | public CompletableFuture<Set<String>> tableNames() { |
| 85 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 86 | Set<String> tableNames = Sets.newConcurrentHashSet(); |
| 87 | return CompletableFuture.allOf(partitions |
| 88 | .stream() |
| 89 | .map(db -> db.tableNames().thenApply(tableNames::addAll)) |
| 90 | .toArray(CompletableFuture[]::new)) |
| 91 | .thenApply(v -> tableNames); |
| 92 | } |
| 93 | |
| 94 | @Override |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 95 | public CompletableFuture<Map<String, Long>> counters() { |
| 96 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 97 | Map<String, Long> counters = Maps.newConcurrentMap(); |
| 98 | return CompletableFuture.allOf(partitions |
| 99 | .stream() |
| 100 | .map(db -> db.counters() |
| 101 | .thenApply(m -> { |
| 102 | counters.putAll(m); |
| 103 | return null; |
| 104 | })) |
| 105 | .toArray(CompletableFuture[]::new)) |
| 106 | .thenApply(v -> counters); |
| 107 | } |
| 108 | |
| 109 | @Override |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 110 | public CompletableFuture<Integer> size(String tableName) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 111 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 112 | AtomicInteger totalSize = new AtomicInteger(0); |
| 113 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 114 | .stream() |
| 115 | .map(p -> p.size(tableName).thenApply(totalSize::addAndGet)) |
| 116 | .toArray(CompletableFuture[]::new)) |
| 117 | .thenApply(v -> totalSize.get()); |
| 118 | } |
| 119 | |
| 120 | @Override |
| 121 | public CompletableFuture<Boolean> isEmpty(String tableName) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 122 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 123 | return size(tableName).thenApply(size -> size == 0); |
| 124 | } |
| 125 | |
| 126 | @Override |
| 127 | public CompletableFuture<Boolean> containsKey(String tableName, String key) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 128 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 129 | return partitioner.getPartition(tableName, key).containsKey(tableName, key); |
| 130 | } |
| 131 | |
| 132 | @Override |
| 133 | public CompletableFuture<Boolean> containsValue(String tableName, byte[] value) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 134 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 135 | AtomicBoolean containsValue = new AtomicBoolean(false); |
| 136 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 137 | .stream() |
| 138 | .map(p -> p.containsValue(tableName, value).thenApply(v -> containsValue.compareAndSet(false, v))) |
| 139 | .toArray(CompletableFuture[]::new)) |
| 140 | .thenApply(v -> containsValue.get()); |
| 141 | } |
| 142 | |
| 143 | @Override |
| 144 | public CompletableFuture<Versioned<byte[]>> get(String tableName, String key) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 145 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 146 | return partitioner.getPartition(tableName, key).get(tableName, key); |
| 147 | } |
| 148 | |
| 149 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 150 | public CompletableFuture<Result<Versioned<byte[]>>> put(String tableName, String key, byte[] value) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 151 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 152 | return partitioner.getPartition(tableName, key).put(tableName, key, value); |
| 153 | } |
| 154 | |
| 155 | @Override |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 156 | public CompletableFuture<Result<UpdateResult<Versioned<byte[]>>>> putAndGet(String tableName, |
| 157 | String key, |
| 158 | byte[] value) { |
| 159 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 160 | return partitioner.getPartition(tableName, key).putAndGet(tableName, key, value); |
| 161 | } |
| 162 | |
| 163 | @Override |
| 164 | public CompletableFuture<Result<UpdateResult<Versioned<byte[]>>>> putIfAbsentAndGet(String tableName, |
| 165 | String key, |
| 166 | byte[] value) { |
| 167 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 168 | return partitioner.getPartition(tableName, key).putIfAbsentAndGet(tableName, key, value); |
| 169 | } |
| 170 | |
| 171 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 172 | public CompletableFuture<Result<Versioned<byte[]>>> remove(String tableName, String key) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 173 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 174 | return partitioner.getPartition(tableName, key).remove(tableName, key); |
| 175 | } |
| 176 | |
| 177 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 178 | public CompletableFuture<Result<Void>> clear(String tableName) { |
| 179 | AtomicBoolean isLocked = new AtomicBoolean(false); |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 180 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 181 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 182 | .stream() |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 183 | .map(p -> p.clear(tableName) |
| 184 | .thenApply(v -> isLocked.compareAndSet(false, Result.Status.LOCKED == v.status()))) |
| 185 | .toArray(CompletableFuture[]::new)) |
| 186 | .thenApply(v -> isLocked.get() ? Result.locked() : Result.ok(null)); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | @Override |
| 190 | public CompletableFuture<Set<String>> keySet(String tableName) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 191 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 192 | Set<String> keySet = Sets.newConcurrentHashSet(); |
| 193 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 194 | .stream() |
| 195 | .map(p -> p.keySet(tableName).thenApply(keySet::addAll)) |
| 196 | .toArray(CompletableFuture[]::new)) |
| 197 | .thenApply(v -> keySet); |
| 198 | } |
| 199 | |
| 200 | @Override |
| 201 | public CompletableFuture<Collection<Versioned<byte[]>>> values(String tableName) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 202 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 203 | List<Versioned<byte[]>> values = new CopyOnWriteArrayList<>(); |
| 204 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 205 | .stream() |
Madan Jampani | 393e0f0 | 2015-02-12 07:35:39 +0530 | [diff] [blame] | 206 | .map(p -> p.values(tableName).thenApply(values::addAll)) |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 207 | .toArray(CompletableFuture[]::new)) |
| 208 | .thenApply(v -> values); |
| 209 | } |
| 210 | |
| 211 | @Override |
| 212 | public CompletableFuture<Set<Entry<String, Versioned<byte[]>>>> entrySet(String tableName) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 213 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 214 | Set<Entry<String, Versioned<byte[]>>> entrySet = Sets.newConcurrentHashSet(); |
| 215 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 216 | .stream() |
| 217 | .map(p -> p.entrySet(tableName).thenApply(entrySet::addAll)) |
| 218 | .toArray(CompletableFuture[]::new)) |
| 219 | .thenApply(v -> entrySet); |
| 220 | } |
| 221 | |
| 222 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 223 | public CompletableFuture<Result<Versioned<byte[]>>> putIfAbsent(String tableName, String key, byte[] value) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 224 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 225 | return partitioner.getPartition(tableName, key).putIfAbsent(tableName, key, value); |
| 226 | } |
| 227 | |
| 228 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 229 | public CompletableFuture<Result<Boolean>> remove(String tableName, String key, byte[] value) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 230 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 231 | return partitioner.getPartition(tableName, key).remove(tableName, key, value); |
| 232 | } |
| 233 | |
| 234 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 235 | public CompletableFuture<Result<Boolean>> remove(String tableName, String key, long version) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 236 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 237 | return partitioner.getPartition(tableName, key).remove(tableName, key, version); |
| 238 | } |
| 239 | |
| 240 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 241 | public CompletableFuture<Result<Boolean>> replace( |
| 242 | String tableName, String key, byte[] oldValue, byte[] newValue) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 243 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 244 | return partitioner.getPartition(tableName, key).replace(tableName, key, oldValue, newValue); |
| 245 | } |
| 246 | |
| 247 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 248 | public CompletableFuture<Result<Boolean>> replace( |
| 249 | String tableName, String key, long oldVersion, byte[] newValue) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 250 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 251 | return partitioner.getPartition(tableName, key).replace(tableName, key, oldVersion, newValue); |
| 252 | } |
| 253 | |
| 254 | @Override |
Madan Jampani | 346d4f5 | 2015-05-04 11:09:39 -0700 | [diff] [blame] | 255 | public CompletableFuture<Result<UpdateResult<Versioned<byte[]>>>> replaceAndGet( |
| 256 | String tableName, String key, long oldVersion, byte[] newValue) { |
| 257 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 258 | return partitioner.getPartition(tableName, key).replaceAndGet(tableName, key, oldVersion, newValue); |
| 259 | } |
| 260 | |
| 261 | @Override |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 262 | public CompletableFuture<Long> counterGet(String counterName) { |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 263 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 264 | return partitioner.getPartition(counterName, counterName).counterGet(counterName); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | @Override |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 268 | public CompletableFuture<Long> counterAddAndGet(String counterName, long delta) { |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 269 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 270 | return partitioner.getPartition(counterName, counterName).counterAddAndGet(counterName, delta); |
| 271 | } |
| 272 | |
| 273 | @Override |
| 274 | public CompletableFuture<Long> counterGetAndAdd(String counterName, long delta) { |
| 275 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 276 | return partitioner.getPartition(counterName, counterName).counterGetAndAdd(counterName, delta); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 280 | public CompletableFuture<Boolean> prepareAndCommit(Transaction transaction) { |
| 281 | Map<Database, Transaction> subTransactions = createSubTransactions(transaction); |
| 282 | if (subTransactions.isEmpty()) { |
| 283 | return CompletableFuture.completedFuture(true); |
| 284 | } else if (subTransactions.size() == 1) { |
| 285 | Entry<Database, Transaction> entry = |
| 286 | subTransactions.entrySet().iterator().next(); |
| 287 | return entry.getKey().prepareAndCommit(entry.getValue()); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 288 | } else { |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 289 | if (transactionManager != null) { |
| 290 | throw new IllegalStateException("TransactionManager is not initialized"); |
| 291 | } |
| 292 | return transactionManager.execute(transaction); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 293 | } |
| 294 | } |
| 295 | |
| 296 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 297 | public CompletableFuture<Boolean> prepare(Transaction transaction) { |
| 298 | Map<Database, Transaction> subTransactions = createSubTransactions(transaction); |
| 299 | AtomicBoolean status = new AtomicBoolean(true); |
| 300 | return CompletableFuture.allOf(subTransactions.entrySet() |
| 301 | .stream() |
| 302 | .map(entry -> entry |
| 303 | .getKey() |
| 304 | .prepare(entry.getValue()) |
| 305 | .thenApply(v -> status.compareAndSet(true, v))) |
| 306 | .toArray(CompletableFuture[]::new)) |
| 307 | .thenApply(v -> status.get()); |
| 308 | } |
| 309 | |
| 310 | @Override |
| 311 | public CompletableFuture<Boolean> commit(Transaction transaction) { |
| 312 | Map<Database, Transaction> subTransactions = createSubTransactions(transaction); |
| 313 | return CompletableFuture.allOf(subTransactions.entrySet() |
| 314 | .stream() |
| 315 | .map(entry -> entry.getKey().commit(entry.getValue())) |
| 316 | .toArray(CompletableFuture[]::new)) |
| 317 | .thenApply(v -> true); |
| 318 | } |
| 319 | |
| 320 | @Override |
| 321 | public CompletableFuture<Boolean> rollback(Transaction transaction) { |
| 322 | Map<Database, Transaction> subTransactions = createSubTransactions(transaction); |
| 323 | return CompletableFuture.allOf(subTransactions.entrySet() |
| 324 | .stream() |
| 325 | .map(entry -> entry.getKey().rollback(entry.getValue())) |
| 326 | .toArray(CompletableFuture[]::new)) |
| 327 | .thenApply(v -> true); |
| 328 | } |
| 329 | |
| 330 | @Override |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 331 | public CompletableFuture<Database> open() { |
| 332 | return CompletableFuture.allOf(partitions |
| 333 | .stream() |
| 334 | .map(Database::open) |
| 335 | .toArray(CompletableFuture[]::new)) |
| 336 | .thenApply(v -> { |
| 337 | isOpen.set(true); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 338 | return this; |
| 339 | }); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | @Override |
| 343 | public CompletableFuture<Void> close() { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 344 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 345 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 346 | .stream() |
| 347 | .map(database -> database.close()) |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 348 | .toArray(CompletableFuture[]::new)); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 349 | } |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 350 | |
| 351 | @Override |
| 352 | public boolean isClosed() { |
| 353 | return !isOpen.get(); |
| 354 | } |
| 355 | |
| 356 | @Override |
| 357 | public String name() { |
| 358 | return name; |
| 359 | } |
| 360 | |
| 361 | @Override |
| 362 | public Cluster cluster() { |
| 363 | throw new UnsupportedOperationException(); |
| 364 | } |
| 365 | |
| 366 | @Override |
| 367 | public Database addStartupTask(Task<CompletableFuture<Void>> task) { |
| 368 | throw new UnsupportedOperationException(); |
| 369 | } |
| 370 | |
| 371 | @Override |
| 372 | public Database addShutdownTask(Task<CompletableFuture<Void>> task) { |
| 373 | throw new UnsupportedOperationException(); |
| 374 | } |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 375 | |
Madan Jampani | ed1b7fc | 2015-04-27 23:30:07 -0700 | [diff] [blame] | 376 | @Override |
| 377 | public ResourceState state() { |
| 378 | throw new UnsupportedOperationException(); |
| 379 | } |
| 380 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 381 | private Map<Database, Transaction> createSubTransactions( |
| 382 | Transaction transaction) { |
| 383 | Map<Database, List<DatabaseUpdate>> perPartitionUpdates = Maps.newHashMap(); |
| 384 | for (DatabaseUpdate update : transaction.updates()) { |
| 385 | Database partition = partitioner.getPartition(update.tableName(), update.key()); |
| 386 | List<DatabaseUpdate> partitionUpdates = |
| 387 | perPartitionUpdates.computeIfAbsent(partition, k -> Lists.newLinkedList()); |
| 388 | partitionUpdates.add(update); |
| 389 | } |
| 390 | Map<Database, Transaction> subTransactions = Maps.newHashMap(); |
| 391 | perPartitionUpdates.forEach((k, v) -> subTransactions.put(k, new DefaultTransaction(transaction.id(), v))); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 392 | return subTransactions; |
| 393 | } |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 394 | |
| 395 | protected void setTransactionManager(TransactionManager tranasactionManager) { |
| 396 | this.transactionManager = transactionManager; |
| 397 | } |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 398 | } |