Madan Jampani | 6468955 | 2015-02-17 10:00:27 -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 | f4c8850 | 2016-01-21 12:35:36 -0800 | [diff] [blame] | 17 | package org.onosproject.store.primitives.impl; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 18 | |
| 19 | import java.util.List; |
| 20 | import java.util.Map; |
Madan Jampani | cadd70b | 2016-02-08 13:45:43 -0800 | [diff] [blame^] | 21 | import java.util.concurrent.CompletableFuture; |
| 22 | import java.util.function.Function; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 23 | import java.util.function.Supplier; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 24 | |
| 25 | import static com.google.common.base.Preconditions.*; |
| 26 | |
Madan Jampani | cadd70b | 2016-02-08 13:45:43 -0800 | [diff] [blame^] | 27 | import org.onosproject.store.primitives.TransactionId; |
| 28 | import org.onosproject.store.primitives.resources.impl.CommitResult; |
| 29 | import org.onosproject.store.primitives.resources.impl.MapUpdate; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 30 | import org.onosproject.store.service.ConsistentMapBuilder; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 31 | import org.onosproject.store.service.Serializer; |
| 32 | import org.onosproject.store.service.TransactionContext; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 33 | import org.onosproject.store.service.TransactionalMap; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 34 | |
HIGUCHI Yuta | dc4394c | 2016-01-29 15:35:10 -0800 | [diff] [blame] | 35 | import com.google.common.base.MoreObjects; |
| 36 | import com.google.common.base.MoreObjects.ToStringHelper; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 37 | import com.google.common.collect.Lists; |
| 38 | import com.google.common.collect.Maps; |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 39 | import com.google.common.util.concurrent.Futures; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 40 | |
| 41 | /** |
| 42 | * Default TransactionContext implementation. |
| 43 | */ |
| 44 | public class DefaultTransactionContext implements TransactionContext { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 45 | private static final String TX_NOT_OPEN_ERROR = "Transaction Context is not open"; |
| 46 | |
| 47 | @SuppressWarnings("rawtypes") |
| 48 | private final Map<String, DefaultTransactionalMap> txMaps = Maps.newConcurrentMap(); |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 49 | private boolean isOpen = false; |
Madan Jampani | cadd70b | 2016-02-08 13:45:43 -0800 | [diff] [blame^] | 50 | private final Function<Transaction, CompletableFuture<CommitResult>> transactionCommitter; |
| 51 | private final TransactionId transactionId; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 52 | private final Supplier<ConsistentMapBuilder> mapBuilderSupplier; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 53 | |
Madan Jampani | cadd70b | 2016-02-08 13:45:43 -0800 | [diff] [blame^] | 54 | public DefaultTransactionContext(TransactionId transactionId, |
| 55 | Function<Transaction, CompletableFuture<CommitResult>> transactionCommitter, |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 56 | Supplier<ConsistentMapBuilder> mapBuilderSupplier) { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 57 | this.transactionId = transactionId; |
Madan Jampani | cadd70b | 2016-02-08 13:45:43 -0800 | [diff] [blame^] | 58 | this.transactionCommitter = checkNotNull(transactionCommitter); |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 59 | this.mapBuilderSupplier = checkNotNull(mapBuilderSupplier); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | @Override |
Madan Jampani | cadd70b | 2016-02-08 13:45:43 -0800 | [diff] [blame^] | 63 | public TransactionId transactionId() { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 64 | return transactionId; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | @Override |
| 68 | public void begin() { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 69 | checkState(!isOpen, "Transaction Context is already open"); |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 70 | isOpen = true; |
| 71 | } |
| 72 | |
| 73 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 74 | public boolean isOpen() { |
| 75 | return isOpen; |
| 76 | } |
| 77 | |
| 78 | @Override |
Ray Milkey | 8dc8208 | 2015-02-20 16:22:38 -0800 | [diff] [blame] | 79 | @SuppressWarnings("unchecked") |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 80 | public <K, V> TransactionalMap<K, V> getTransactionalMap(String mapName, |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 81 | Serializer serializer) { |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 82 | checkState(isOpen, TX_NOT_OPEN_ERROR); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 83 | checkNotNull(mapName); |
| 84 | checkNotNull(serializer); |
| 85 | return txMaps.computeIfAbsent(mapName, name -> new DefaultTransactionalMap<>( |
| 86 | name, |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 87 | mapBuilderSupplier.get().withName(name).withSerializer(serializer).build(), |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 88 | this, |
| 89 | serializer)); |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 90 | } |
| 91 | |
Ray Milkey | 8dc8208 | 2015-02-20 16:22:38 -0800 | [diff] [blame] | 92 | @SuppressWarnings("unchecked") |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 93 | @Override |
Sho SHIMIZU | d936b42 | 2015-11-02 16:38:18 -0800 | [diff] [blame] | 94 | public boolean commit() { |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 95 | // TODO: rework commit implementation to be more intuitive |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 96 | checkState(isOpen, TX_NOT_OPEN_ERROR); |
Madan Jampani | cadd70b | 2016-02-08 13:45:43 -0800 | [diff] [blame^] | 97 | CommitResult result = null; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 98 | try { |
Madan Jampani | cadd70b | 2016-02-08 13:45:43 -0800 | [diff] [blame^] | 99 | List<MapUpdate<String, byte[]>> updates = Lists.newLinkedList(); |
| 100 | txMaps.values().forEach(m -> updates.addAll(m.toMapUpdates())); |
| 101 | Transaction transaction = new Transaction(transactionId, updates); |
| 102 | result = Futures.getUnchecked(transactionCommitter.apply(transaction)); |
| 103 | return result == CommitResult.OK; |
Sho SHIMIZU | d936b42 | 2015-11-02 16:38:18 -0800 | [diff] [blame] | 104 | } catch (Exception e) { |
| 105 | abort(); |
| 106 | return false; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 107 | } finally { |
| 108 | isOpen = false; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 113 | public void abort() { |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 114 | if (isOpen) { |
| 115 | try { |
| 116 | txMaps.values().forEach(m -> m.rollback()); |
| 117 | } finally { |
| 118 | isOpen = false; |
| 119 | } |
| 120 | } |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 121 | } |
HIGUCHI Yuta | dc4394c | 2016-01-29 15:35:10 -0800 | [diff] [blame] | 122 | |
| 123 | @Override |
| 124 | public String toString() { |
| 125 | ToStringHelper s = MoreObjects.toStringHelper(this) |
| 126 | .add("transactionId", transactionId) |
| 127 | .add("isOpen", isOpen); |
| 128 | |
| 129 | txMaps.entrySet().forEach(e -> { |
| 130 | s.add(e.getKey(), e.getValue()); |
| 131 | }); |
| 132 | return s.toString(); |
| 133 | } |
Madan Jampani | cadd70b | 2016-02-08 13:45:43 -0800 | [diff] [blame^] | 134 | |
| 135 | @Override |
| 136 | public String name() { |
| 137 | return transactionId.toString(); |
| 138 | } |
Madan Jampani | 02b7fb8 | 2015-05-01 13:01:20 -0700 | [diff] [blame] | 139 | } |