Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Laboratory |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 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 | package org.onosproject.store.primitives.impl; |
| 17 | |
| 18 | import java.util.Set; |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 19 | import java.util.concurrent.CompletableFuture; |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 20 | import java.util.concurrent.atomic.AtomicBoolean; |
| 21 | |
| 22 | import org.onosproject.store.primitives.DistributedPrimitiveCreator; |
| 23 | import org.onosproject.store.primitives.TransactionId; |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 24 | import org.onosproject.store.service.CommitStatus; |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 25 | import org.onosproject.store.service.Serializer; |
| 26 | import org.onosproject.store.service.TransactionContext; |
| 27 | import org.onosproject.store.service.TransactionalMap; |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 28 | import org.onosproject.utils.MeteringAgent; |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 29 | |
| 30 | import com.google.common.collect.Sets; |
| 31 | |
| 32 | /** |
| 33 | * Default implementation of transaction context. |
| 34 | */ |
Madan Jampani | 832686d | 2016-04-04 21:57:26 -0700 | [diff] [blame] | 35 | public class DefaultTransactionContext implements TransactionContext { |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 36 | |
| 37 | private final AtomicBoolean isOpen = new AtomicBoolean(false); |
| 38 | private final DistributedPrimitiveCreator creator; |
| 39 | private final TransactionId transactionId; |
| 40 | private final TransactionCoordinator transactionCoordinator; |
| 41 | private final Set<TransactionParticipant> txParticipants = Sets.newConcurrentHashSet(); |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 42 | private final MeteringAgent monitor; |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 43 | |
Madan Jampani | 832686d | 2016-04-04 21:57:26 -0700 | [diff] [blame] | 44 | public DefaultTransactionContext(TransactionId transactionId, |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 45 | DistributedPrimitiveCreator creator, |
| 46 | TransactionCoordinator transactionCoordinator) { |
| 47 | this.transactionId = transactionId; |
| 48 | this.creator = creator; |
| 49 | this.transactionCoordinator = transactionCoordinator; |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 50 | this.monitor = new MeteringAgent("transactionContext", "*", true); |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 51 | } |
| 52 | |
| 53 | @Override |
| 54 | public String name() { |
| 55 | return transactionId.toString(); |
| 56 | } |
| 57 | |
| 58 | @Override |
| 59 | public TransactionId transactionId() { |
| 60 | return transactionId; |
| 61 | } |
| 62 | |
| 63 | @Override |
| 64 | public boolean isOpen() { |
| 65 | return isOpen.get(); |
| 66 | } |
| 67 | |
| 68 | @Override |
| 69 | public void begin() { |
| 70 | if (!isOpen.compareAndSet(false, true)) { |
| 71 | throw new IllegalStateException("TransactionContext is already open"); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | @Override |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 76 | public CompletableFuture<CommitStatus> commit() { |
| 77 | final MeteringAgent.Context timer = monitor.startTimer("commit"); |
| 78 | return transactionCoordinator.commit(transactionId, txParticipants) |
Madan Jampani | 542d9e2 | 2016-04-05 15:39:55 -0700 | [diff] [blame] | 79 | .whenComplete((r, e) -> timer.stop(e)); |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 80 | } |
| 81 | |
| 82 | @Override |
| 83 | public void abort() { |
| 84 | isOpen.set(false); |
| 85 | } |
| 86 | |
| 87 | @Override |
| 88 | public <K, V> TransactionalMap<K, V> getTransactionalMap(String mapName, |
| 89 | Serializer serializer) { |
| 90 | // FIXME: Do not create duplicates. |
| 91 | DefaultTransactionalMap<K, V> txMap = new DefaultTransactionalMap<K, V>(mapName, |
Madan Jampani | 542d9e2 | 2016-04-05 15:39:55 -0700 | [diff] [blame] | 92 | DistributedPrimitives.newMeteredMap(creator.<K, V>newAsyncConsistentMap(mapName, serializer)), |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 93 | this, |
| 94 | serializer); |
| 95 | txParticipants.add(txMap); |
| 96 | return txMap; |
| 97 | } |
| 98 | } |