Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
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 | |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 18 | import java.util.concurrent.CompletableFuture; |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 19 | import java.util.concurrent.atomic.AtomicBoolean; |
| 20 | |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 21 | import org.onosproject.store.primitives.TransactionId; |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 22 | import org.onosproject.store.service.CommitStatus; |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 23 | import org.onosproject.store.service.Serializer; |
| 24 | import org.onosproject.store.service.TransactionContext; |
| 25 | import org.onosproject.store.service.TransactionalMap; |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 26 | import org.onosproject.utils.MeteringAgent; |
Jordan Halterman | 03b8318 | 2017-05-09 12:11:22 -0700 | [diff] [blame] | 27 | import org.slf4j.Logger; |
| 28 | import org.slf4j.LoggerFactory; |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 29 | |
Jordan Halterman | 948d659 | 2017-04-20 17:18:24 -0700 | [diff] [blame] | 30 | import static com.google.common.base.MoreObjects.toStringHelper; |
Jordan Halterman | 03b8318 | 2017-05-09 12:11:22 -0700 | [diff] [blame] | 31 | import static com.google.common.base.Preconditions.checkState; |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 32 | |
| 33 | /** |
| 34 | * Default implementation of transaction context. |
| 35 | */ |
Madan Jampani | 832686d | 2016-04-04 21:57:26 -0700 | [diff] [blame] | 36 | public class DefaultTransactionContext implements TransactionContext { |
Jordan Halterman | 03b8318 | 2017-05-09 12:11:22 -0700 | [diff] [blame] | 37 | private final Logger log = LoggerFactory.getLogger(getClass()); |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 38 | private final AtomicBoolean isOpen = new AtomicBoolean(false); |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 39 | private final TransactionId transactionId; |
| 40 | private final TransactionCoordinator transactionCoordinator; |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 41 | private final MeteringAgent monitor; |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 42 | |
Jordan Halterman | 948d659 | 2017-04-20 17:18:24 -0700 | [diff] [blame] | 43 | public DefaultTransactionContext(TransactionId transactionId, TransactionCoordinator transactionCoordinator) { |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 44 | this.transactionId = transactionId; |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 45 | this.transactionCoordinator = transactionCoordinator; |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 46 | this.monitor = new MeteringAgent("transactionContext", "*", true); |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | @Override |
| 50 | public String name() { |
| 51 | return transactionId.toString(); |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | public TransactionId transactionId() { |
| 56 | return transactionId; |
| 57 | } |
| 58 | |
| 59 | @Override |
| 60 | public boolean isOpen() { |
| 61 | return isOpen.get(); |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public void begin() { |
Jordan Halterman | 03b8318 | 2017-05-09 12:11:22 -0700 | [diff] [blame] | 66 | if (isOpen.compareAndSet(false, true)) { |
| 67 | log.trace("Opened transaction {}", transactionId); |
| 68 | } else { |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 69 | throw new IllegalStateException("TransactionContext is already open"); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | @Override |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 74 | public CompletableFuture<CommitStatus> commit() { |
Jordan Halterman | 03b8318 | 2017-05-09 12:11:22 -0700 | [diff] [blame] | 75 | checkState(isOpen.get(), "Transaction not open"); |
Madan Jampani | 3780d4b | 2016-04-04 18:18:24 -0700 | [diff] [blame] | 76 | final MeteringAgent.Context timer = monitor.startTimer("commit"); |
Jordan Halterman | 03b8318 | 2017-05-09 12:11:22 -0700 | [diff] [blame] | 77 | log.debug("Committing transaction {}", transactionId); |
Jordan Halterman | 948d659 | 2017-04-20 17:18:24 -0700 | [diff] [blame] | 78 | return transactionCoordinator.commit().whenComplete((r, e) -> timer.stop(e)); |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public void abort() { |
Jordan Halterman | 03b8318 | 2017-05-09 12:11:22 -0700 | [diff] [blame] | 83 | if (isOpen.compareAndSet(true, false)) { |
| 84 | log.debug("Aborted transaction {}", transactionId); |
| 85 | } |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | @Override |
Jordan Halterman | 948d659 | 2017-04-20 17:18:24 -0700 | [diff] [blame] | 89 | public <K, V> TransactionalMap<K, V> getTransactionalMap(String mapName, Serializer serializer) { |
| 90 | return transactionCoordinator.getTransactionalMap(mapName, serializer); |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public String toString() { |
| 95 | return toStringHelper(this) |
| 96 | .add("transactionId", transactionId) |
| 97 | .toString(); |
Madan Jampani | 7e55c66 | 2016-02-15 21:13:53 -0800 | [diff] [blame] | 98 | } |
| 99 | } |