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 | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 21 | import java.util.function.Supplier; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 22 | |
| 23 | import static com.google.common.base.Preconditions.*; |
| 24 | |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 25 | import org.onosproject.store.service.ConsistentMapBuilder; |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 26 | import org.onosproject.store.service.DatabaseUpdate; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 27 | import org.onosproject.store.service.Serializer; |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 28 | import org.onosproject.store.service.Transaction; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 29 | import org.onosproject.store.service.TransactionContext; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 30 | import org.onosproject.store.service.TransactionalMap; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 31 | |
HIGUCHI Yuta | dc4394c | 2016-01-29 15:35:10 -0800 | [diff] [blame] | 32 | import com.google.common.base.MoreObjects; |
| 33 | import com.google.common.base.MoreObjects.ToStringHelper; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 34 | import com.google.common.collect.Lists; |
| 35 | import com.google.common.collect.Maps; |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 36 | import com.google.common.util.concurrent.Futures; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 37 | |
| 38 | /** |
| 39 | * Default TransactionContext implementation. |
| 40 | */ |
| 41 | public class DefaultTransactionContext implements TransactionContext { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 42 | private static final String TX_NOT_OPEN_ERROR = "Transaction Context is not open"; |
| 43 | |
| 44 | @SuppressWarnings("rawtypes") |
| 45 | private final Map<String, DefaultTransactionalMap> txMaps = Maps.newConcurrentMap(); |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 46 | private boolean isOpen = false; |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 47 | private final Database database; |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 48 | private final long transactionId; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 49 | private final Supplier<ConsistentMapBuilder> mapBuilderSupplier; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 50 | |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 51 | public DefaultTransactionContext(long transactionId, |
| 52 | Database database, |
| 53 | Supplier<ConsistentMapBuilder> mapBuilderSupplier) { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 54 | this.transactionId = transactionId; |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 55 | this.database = checkNotNull(database); |
| 56 | this.mapBuilderSupplier = checkNotNull(mapBuilderSupplier); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | @Override |
| 60 | public long transactionId() { |
| 61 | return transactionId; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public void begin() { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 66 | checkState(!isOpen, "Transaction Context is already open"); |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 67 | isOpen = true; |
| 68 | } |
| 69 | |
| 70 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 71 | public boolean isOpen() { |
| 72 | return isOpen; |
| 73 | } |
| 74 | |
| 75 | @Override |
Ray Milkey | 8dc8208 | 2015-02-20 16:22:38 -0800 | [diff] [blame] | 76 | @SuppressWarnings("unchecked") |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 77 | public <K, V> TransactionalMap<K, V> getTransactionalMap(String mapName, |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 78 | Serializer serializer) { |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 79 | checkState(isOpen, TX_NOT_OPEN_ERROR); |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 80 | checkNotNull(mapName); |
| 81 | checkNotNull(serializer); |
| 82 | return txMaps.computeIfAbsent(mapName, name -> new DefaultTransactionalMap<>( |
| 83 | name, |
Madan Jampani | 50589ac | 2015-06-08 11:38:46 -0700 | [diff] [blame] | 84 | mapBuilderSupplier.get().withName(name).withSerializer(serializer).build(), |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 85 | this, |
| 86 | serializer)); |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 87 | } |
| 88 | |
Ray Milkey | 8dc8208 | 2015-02-20 16:22:38 -0800 | [diff] [blame] | 89 | @SuppressWarnings("unchecked") |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 90 | @Override |
Sho SHIMIZU | d936b42 | 2015-11-02 16:38:18 -0800 | [diff] [blame] | 91 | public boolean commit() { |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 92 | // TODO: rework commit implementation to be more intuitive |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 93 | checkState(isOpen, TX_NOT_OPEN_ERROR); |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 94 | CommitResponse response = null; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 95 | try { |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 96 | List<DatabaseUpdate> updates = Lists.newLinkedList(); |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 97 | txMaps.values().forEach(m -> updates.addAll(m.prepareDatabaseUpdates())); |
| 98 | Transaction transaction = new DefaultTransaction(transactionId, updates); |
| 99 | response = Futures.getUnchecked(database.prepareAndCommit(transaction)); |
Sho SHIMIZU | d936b42 | 2015-11-02 16:38:18 -0800 | [diff] [blame] | 100 | return response.success(); |
| 101 | } catch (Exception e) { |
| 102 | abort(); |
| 103 | return false; |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 104 | } finally { |
| 105 | isOpen = false; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame] | 110 | public void abort() { |
Madan Jampani | bab51a4 | 2015-08-10 13:53:35 -0700 | [diff] [blame] | 111 | if (isOpen) { |
| 112 | try { |
| 113 | txMaps.values().forEach(m -> m.rollback()); |
| 114 | } finally { |
| 115 | isOpen = false; |
| 116 | } |
| 117 | } |
Madan Jampani | 6468955 | 2015-02-17 10:00:27 -0800 | [diff] [blame] | 118 | } |
HIGUCHI Yuta | dc4394c | 2016-01-29 15:35:10 -0800 | [diff] [blame] | 119 | |
| 120 | @Override |
| 121 | public String toString() { |
| 122 | ToStringHelper s = MoreObjects.toStringHelper(this) |
| 123 | .add("transactionId", transactionId) |
| 124 | .add("isOpen", isOpen); |
| 125 | |
| 126 | txMaps.entrySet().forEach(e -> { |
| 127 | s.add(e.getKey(), e.getValue()); |
| 128 | }); |
| 129 | return s.toString(); |
| 130 | } |
Madan Jampani | 02b7fb8 | 2015-05-01 13:01:20 -0700 | [diff] [blame] | 131 | } |