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 | |
Aaron Kruglikov | 82fd632 | 2015-10-06 12:02:46 -0700 | [diff] [blame] | 19 | import com.google.common.collect.ImmutableList; |
| 20 | import com.google.common.collect.Lists; |
| 21 | import com.google.common.collect.Maps; |
| 22 | import com.google.common.collect.Sets; |
Madan Jampani | f2f086c | 2016-01-13 16:15:39 -0800 | [diff] [blame] | 23 | |
Aaron Kruglikov | 82fd632 | 2015-10-06 12:02:46 -0700 | [diff] [blame] | 24 | import net.kuujo.copycat.Task; |
| 25 | import net.kuujo.copycat.cluster.Cluster; |
| 26 | import net.kuujo.copycat.resource.ResourceState; |
Madan Jampani | f2f086c | 2016-01-13 16:15:39 -0800 | [diff] [blame] | 27 | |
| 28 | import org.onlab.util.Match; |
Aaron Kruglikov | 82fd632 | 2015-10-06 12:02:46 -0700 | [diff] [blame] | 29 | import org.onosproject.store.service.DatabaseUpdate; |
| 30 | import org.onosproject.store.service.Transaction; |
| 31 | import org.onosproject.store.service.Versioned; |
| 32 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 33 | import java.util.Collection; |
| 34 | import java.util.List; |
| 35 | import java.util.Map; |
| 36 | import java.util.Map.Entry; |
| 37 | import java.util.Set; |
| 38 | import java.util.concurrent.CompletableFuture; |
| 39 | import java.util.concurrent.CopyOnWriteArrayList; |
| 40 | import java.util.concurrent.atomic.AtomicBoolean; |
| 41 | import java.util.concurrent.atomic.AtomicInteger; |
Madan Jampani | 648451f | 2015-07-21 22:09:05 -0700 | [diff] [blame] | 42 | import java.util.function.Consumer; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 43 | import java.util.stream.Collectors; |
Madan Jampani | 393e0f0 | 2015-02-12 07:35:39 +0530 | [diff] [blame] | 44 | |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 45 | import static com.google.common.base.Preconditions.checkState; |
| 46 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 47 | /** |
| 48 | * A database that partitions the keys across one or more database partitions. |
| 49 | */ |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 50 | public class PartitionedDatabase implements Database { |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 51 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 52 | private final String name; |
| 53 | private final Partitioner<String> partitioner; |
| 54 | private final List<Database> partitions; |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 55 | private final AtomicBoolean isOpen = new AtomicBoolean(false); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 56 | private static final String DB_NOT_OPEN = "Partitioned Database is not open"; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 57 | private TransactionManager transactionManager; |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 58 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 59 | public PartitionedDatabase( |
| 60 | String name, |
| 61 | Collection<Database> partitions) { |
| 62 | this.name = name; |
| 63 | this.partitions = partitions |
| 64 | .stream() |
| 65 | .sorted((db1, db2) -> db1.name().compareTo(db2.name())) |
| 66 | .collect(Collectors.toList()); |
| 67 | this.partitioner = new SimpleKeyHashPartitioner(this.partitions); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Returns the databases for individual partitions. |
| 72 | * @return list of database partitions |
| 73 | */ |
| 74 | public List<Database> getPartitions() { |
| 75 | return partitions; |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 76 | } |
| 77 | |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 78 | /** |
| 79 | * Returns true if the database is open. |
| 80 | * @return true if open, false otherwise |
| 81 | */ |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 82 | @Override |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 83 | public boolean isOpen() { |
| 84 | return isOpen.get(); |
| 85 | } |
| 86 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 87 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 88 | public CompletableFuture<Set<String>> maps() { |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 89 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 90 | Set<String> mapNames = Sets.newConcurrentHashSet(); |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 91 | return CompletableFuture.allOf(partitions |
| 92 | .stream() |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 93 | .map(db -> db.maps().thenApply(mapNames::addAll)) |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 94 | .toArray(CompletableFuture[]::new)) |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 95 | .thenApply(v -> mapNames); |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | @Override |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 99 | public CompletableFuture<Map<String, Long>> counters() { |
| 100 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 101 | Map<String, Long> counters = Maps.newConcurrentMap(); |
| 102 | return CompletableFuture.allOf(partitions |
| 103 | .stream() |
| 104 | .map(db -> db.counters() |
andrea | fd912ac | 2015-10-02 14:58:35 -0700 | [diff] [blame] | 105 | .thenApply(m -> { |
| 106 | counters.putAll(m); |
| 107 | return null; |
| 108 | })) |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 109 | .toArray(CompletableFuture[]::new)) |
| 110 | .thenApply(v -> counters); |
| 111 | } |
| 112 | |
| 113 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 114 | public CompletableFuture<Integer> mapSize(String mapName) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 115 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 116 | AtomicInteger totalSize = new AtomicInteger(0); |
| 117 | return CompletableFuture.allOf(partitions |
andrea | fd912ac | 2015-10-02 14:58:35 -0700 | [diff] [blame] | 118 | .stream() |
| 119 | .map(p -> p.mapSize(mapName).thenApply(totalSize::addAndGet)) |
| 120 | .toArray(CompletableFuture[]::new)) |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 121 | .thenApply(v -> totalSize.get()); |
| 122 | } |
| 123 | |
| 124 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 125 | public CompletableFuture<Boolean> mapIsEmpty(String mapName) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 126 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 127 | return mapSize(mapName).thenApply(size -> size == 0); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 131 | public CompletableFuture<Boolean> mapContainsKey(String mapName, String key) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 132 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 133 | return partitioner.getPartition(mapName, key).mapContainsKey(mapName, key); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 137 | public CompletableFuture<Boolean> mapContainsValue(String mapName, byte[] value) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 138 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 139 | AtomicBoolean containsValue = new AtomicBoolean(false); |
| 140 | return CompletableFuture.allOf(partitions |
andrea | fd912ac | 2015-10-02 14:58:35 -0700 | [diff] [blame] | 141 | .stream() |
| 142 | .map(p -> p.mapContainsValue(mapName, value) |
| 143 | .thenApply(v -> containsValue.compareAndSet(false, v))) |
| 144 | .toArray(CompletableFuture[]::new)) |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 145 | .thenApply(v -> containsValue.get()); |
| 146 | } |
| 147 | |
| 148 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 149 | public CompletableFuture<Versioned<byte[]>> mapGet(String mapName, String key) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 150 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 151 | return partitioner.getPartition(mapName, key).mapGet(mapName, key); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 155 | public CompletableFuture<Result<UpdateResult<String, byte[]>>> mapUpdate( |
| 156 | String mapName, String key, Match<byte[]> valueMatch, |
| 157 | Match<Long> versionMatch, byte[] value) { |
| 158 | return partitioner.getPartition(mapName, key).mapUpdate(mapName, key, valueMatch, versionMatch, value); |
| 159 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 163 | public CompletableFuture<Result<Void>> mapClear(String mapName) { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 164 | AtomicBoolean isLocked = new AtomicBoolean(false); |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 165 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 166 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 167 | .stream() |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 168 | .map(p -> p.mapClear(mapName) |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 169 | .thenApply(v -> isLocked.compareAndSet(false, Result.Status.LOCKED == v.status()))) |
| 170 | .toArray(CompletableFuture[]::new)) |
| 171 | .thenApply(v -> isLocked.get() ? Result.locked() : Result.ok(null)); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 172 | } |
| 173 | |
| 174 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 175 | public CompletableFuture<Set<String>> mapKeySet(String mapName) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 176 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 177 | Set<String> keySet = Sets.newConcurrentHashSet(); |
| 178 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 179 | .stream() |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 180 | .map(p -> p.mapKeySet(mapName).thenApply(keySet::addAll)) |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 181 | .toArray(CompletableFuture[]::new)) |
| 182 | .thenApply(v -> keySet); |
| 183 | } |
| 184 | |
| 185 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 186 | public CompletableFuture<Collection<Versioned<byte[]>>> mapValues(String mapName) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 187 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 188 | List<Versioned<byte[]>> values = new CopyOnWriteArrayList<>(); |
| 189 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 190 | .stream() |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 191 | .map(p -> p.mapValues(mapName).thenApply(values::addAll)) |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 192 | .toArray(CompletableFuture[]::new)) |
| 193 | .thenApply(v -> values); |
| 194 | } |
| 195 | |
| 196 | @Override |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 197 | public CompletableFuture<Set<Entry<String, Versioned<byte[]>>>> mapEntrySet(String mapName) { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 198 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 199 | Set<Entry<String, Versioned<byte[]>>> entrySet = Sets.newConcurrentHashSet(); |
| 200 | return CompletableFuture.allOf(partitions |
andrea | fd912ac | 2015-10-02 14:58:35 -0700 | [diff] [blame] | 201 | .stream() |
| 202 | .map(p -> p.mapEntrySet(mapName).thenApply(entrySet::addAll)) |
| 203 | .toArray(CompletableFuture[]::new)) |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 204 | .thenApply(v -> entrySet); |
| 205 | } |
| 206 | |
| 207 | @Override |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 208 | public CompletableFuture<Long> counterGet(String counterName) { |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 209 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 210 | return partitioner.getPartition(counterName, counterName).counterGet(counterName); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | @Override |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 214 | public CompletableFuture<Long> counterAddAndGet(String counterName, long delta) { |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 215 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | 04aeb45 | 2015-05-02 16:12:24 -0700 | [diff] [blame] | 216 | return partitioner.getPartition(counterName, counterName).counterAddAndGet(counterName, delta); |
| 217 | } |
| 218 | |
| 219 | @Override |
| 220 | public CompletableFuture<Long> counterGetAndAdd(String counterName, long delta) { |
| 221 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 222 | return partitioner.getPartition(counterName, counterName).counterGetAndAdd(counterName, delta); |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 223 | } |
| 224 | |
andrea | fd912ac | 2015-10-02 14:58:35 -0700 | [diff] [blame] | 225 | @Override |
| 226 | public CompletableFuture<Void> counterSet(String counterName, long value) { |
| 227 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 228 | return partitioner.getPartition(counterName, counterName).counterSet(counterName, value); |
| 229 | } |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame] | 230 | |
| 231 | @Override |
Aaron Kruglikov | 82fd632 | 2015-10-06 12:02:46 -0700 | [diff] [blame] | 232 | public CompletableFuture<Boolean> counterCompareAndSet(String counterName, long expectedValue, long updateValue) { |
| 233 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 234 | return partitioner.getPartition(counterName, counterName). |
| 235 | counterCompareAndSet(counterName, expectedValue, updateValue); |
| 236 | |
| 237 | } |
| 238 | |
| 239 | @Override |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame] | 240 | public CompletableFuture<Long> queueSize(String queueName) { |
| 241 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 242 | return partitioner.getPartition(queueName, queueName).queueSize(queueName); |
| 243 | } |
| 244 | |
| 245 | @Override |
Madan Jampani | a6d787b | 2015-08-11 11:02:02 -0700 | [diff] [blame] | 246 | public CompletableFuture<Void> queuePush(String queueName, byte[] entry) { |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame] | 247 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 248 | return partitioner.getPartition(queueName, queueName).queuePush(queueName, entry); |
| 249 | } |
| 250 | |
| 251 | @Override |
Madan Jampani | a6d787b | 2015-08-11 11:02:02 -0700 | [diff] [blame] | 252 | public CompletableFuture<byte[]> queuePop(String queueName) { |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame] | 253 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | a6d787b | 2015-08-11 11:02:02 -0700 | [diff] [blame] | 254 | return partitioner.getPartition(queueName, queueName).queuePop(queueName); |
Madan Jampani | 63c659f | 2015-06-11 00:52:58 -0700 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | @Override |
| 258 | public CompletableFuture<byte[]> queuePeek(String queueName) { |
| 259 | checkState(isOpen.get(), DB_NOT_OPEN); |
| 260 | return partitioner.getPartition(queueName, queueName).queuePeek(queueName); |
| 261 | } |
| 262 | |
Madan Jampani | b5d72d5 | 2015-04-03 16:53:50 -0700 | [diff] [blame] | 263 | @Override |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 264 | public CompletableFuture<CommitResponse> prepareAndCommit(Transaction transaction) { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 265 | Map<Database, Transaction> subTransactions = createSubTransactions(transaction); |
| 266 | if (subTransactions.isEmpty()) { |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 267 | return CompletableFuture.completedFuture(CommitResponse.success(ImmutableList.of())); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 268 | } else if (subTransactions.size() == 1) { |
| 269 | Entry<Database, Transaction> entry = |
| 270 | subTransactions.entrySet().iterator().next(); |
| 271 | return entry.getKey().prepareAndCommit(entry.getValue()); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 272 | } else { |
Madan Jampani | 98166f9 | 2015-06-26 15:12:33 -0700 | [diff] [blame] | 273 | if (transactionManager == null) { |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 274 | throw new IllegalStateException("TransactionManager is not initialized"); |
| 275 | } |
| 276 | return transactionManager.execute(transaction); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 277 | } |
| 278 | } |
| 279 | |
| 280 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 281 | public CompletableFuture<Boolean> prepare(Transaction transaction) { |
| 282 | Map<Database, Transaction> subTransactions = createSubTransactions(transaction); |
| 283 | AtomicBoolean status = new AtomicBoolean(true); |
| 284 | return CompletableFuture.allOf(subTransactions.entrySet() |
| 285 | .stream() |
andrea | fd912ac | 2015-10-02 14:58:35 -0700 | [diff] [blame] | 286 | .map(entry -> entry |
| 287 | .getKey() |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 288 | .prepare(entry.getValue()) |
| 289 | .thenApply(v -> status.compareAndSet(true, v))) |
| 290 | .toArray(CompletableFuture[]::new)) |
| 291 | .thenApply(v -> status.get()); |
| 292 | } |
| 293 | |
| 294 | @Override |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 295 | public CompletableFuture<CommitResponse> commit(Transaction transaction) { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 296 | Map<Database, Transaction> subTransactions = createSubTransactions(transaction); |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 297 | AtomicBoolean success = new AtomicBoolean(true); |
| 298 | List<UpdateResult<String, byte[]>> allUpdates = Lists.newArrayList(); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 299 | return CompletableFuture.allOf(subTransactions.entrySet() |
andrea | fd912ac | 2015-10-02 14:58:35 -0700 | [diff] [blame] | 300 | .stream() |
| 301 | .map(entry -> entry.getKey().commit(entry.getValue()) |
| 302 | .thenAccept(response -> { |
| 303 | success.set(success.get() && response.success()); |
| 304 | if (success.get()) { |
| 305 | allUpdates.addAll(response.updates()); |
| 306 | } |
| 307 | })) |
| 308 | .toArray(CompletableFuture[]::new)) |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 309 | .thenApply(v -> success.get() ? |
| 310 | CommitResponse.success(allUpdates) : CommitResponse.failure()); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 311 | } |
| 312 | |
| 313 | @Override |
| 314 | public CompletableFuture<Boolean> rollback(Transaction transaction) { |
| 315 | Map<Database, Transaction> subTransactions = createSubTransactions(transaction); |
| 316 | return CompletableFuture.allOf(subTransactions.entrySet() |
| 317 | .stream() |
| 318 | .map(entry -> entry.getKey().rollback(entry.getValue())) |
andrea | fd912ac | 2015-10-02 14:58:35 -0700 | [diff] [blame] | 319 | .toArray(CompletableFuture[]::new)) |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 320 | .thenApply(v -> true); |
| 321 | } |
| 322 | |
| 323 | @Override |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 324 | public CompletableFuture<Database> open() { |
| 325 | return CompletableFuture.allOf(partitions |
| 326 | .stream() |
| 327 | .map(Database::open) |
| 328 | .toArray(CompletableFuture[]::new)) |
| 329 | .thenApply(v -> { |
| 330 | isOpen.set(true); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 331 | return this; |
| 332 | }); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | @Override |
| 336 | public CompletableFuture<Void> close() { |
Madan Jampani | 7f72c3f | 2015-03-01 17:34:59 -0800 | [diff] [blame] | 337 | checkState(isOpen.get(), DB_NOT_OPEN); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 338 | return CompletableFuture.allOf(partitions |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 339 | .stream() |
| 340 | .map(database -> database.close()) |
Madan Jampani | 0934270 | 2015-02-05 23:32:40 -0800 | [diff] [blame] | 341 | .toArray(CompletableFuture[]::new)); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 342 | } |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 343 | |
| 344 | @Override |
| 345 | public boolean isClosed() { |
| 346 | return !isOpen.get(); |
| 347 | } |
| 348 | |
| 349 | @Override |
| 350 | public String name() { |
| 351 | return name; |
| 352 | } |
| 353 | |
| 354 | @Override |
| 355 | public Cluster cluster() { |
| 356 | throw new UnsupportedOperationException(); |
| 357 | } |
| 358 | |
| 359 | @Override |
| 360 | public Database addStartupTask(Task<CompletableFuture<Void>> task) { |
| 361 | throw new UnsupportedOperationException(); |
| 362 | } |
| 363 | |
| 364 | @Override |
| 365 | public Database addShutdownTask(Task<CompletableFuture<Void>> task) { |
| 366 | throw new UnsupportedOperationException(); |
| 367 | } |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 368 | |
Madan Jampani | ed1b7fc | 2015-04-27 23:30:07 -0700 | [diff] [blame] | 369 | @Override |
| 370 | public ResourceState state() { |
| 371 | throw new UnsupportedOperationException(); |
| 372 | } |
| 373 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 374 | private Map<Database, Transaction> createSubTransactions( |
| 375 | Transaction transaction) { |
| 376 | Map<Database, List<DatabaseUpdate>> perPartitionUpdates = Maps.newHashMap(); |
| 377 | for (DatabaseUpdate update : transaction.updates()) { |
Madan Jampani | 7804c99 | 2015-07-20 13:20:19 -0700 | [diff] [blame] | 378 | Database partition = partitioner.getPartition(update.mapName(), update.key()); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 379 | List<DatabaseUpdate> partitionUpdates = |
| 380 | perPartitionUpdates.computeIfAbsent(partition, k -> Lists.newLinkedList()); |
| 381 | partitionUpdates.add(update); |
| 382 | } |
| 383 | Map<Database, Transaction> subTransactions = Maps.newHashMap(); |
| 384 | perPartitionUpdates.forEach((k, v) -> subTransactions.put(k, new DefaultTransaction(transaction.id(), v))); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 385 | return subTransactions; |
| 386 | } |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 387 | |
Ayaka Koshibe | 94cc01b | 2015-06-26 15:39:11 -0700 | [diff] [blame] | 388 | protected void setTransactionManager(TransactionManager transactionManager) { |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 389 | this.transactionManager = transactionManager; |
| 390 | } |
Madan Jampani | 648451f | 2015-07-21 22:09:05 -0700 | [diff] [blame] | 391 | |
| 392 | @Override |
Madan Jampani | 648451f | 2015-07-21 22:09:05 -0700 | [diff] [blame] | 393 | public void registerConsumer(Consumer<StateMachineUpdate> consumer) { |
Madan Jampani | 34fec84 | 2015-07-22 14:05:08 -0700 | [diff] [blame] | 394 | partitions.forEach(p -> p.registerConsumer(consumer)); |
Madan Jampani | 648451f | 2015-07-21 22:09:05 -0700 | [diff] [blame] | 395 | } |
| 396 | |
| 397 | @Override |
| 398 | public void unregisterConsumer(Consumer<StateMachineUpdate> consumer) { |
Madan Jampani | 34fec84 | 2015-07-22 14:05:08 -0700 | [diff] [blame] | 399 | partitions.forEach(p -> p.unregisterConsumer(consumer)); |
Madan Jampani | 648451f | 2015-07-21 22:09:05 -0700 | [diff] [blame] | 400 | } |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 401 | } |
andrea | fd912ac | 2015-10-02 14:58:35 -0700 | [diff] [blame] | 402 | |