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 | |
| 19 | import net.kuujo.copycat.resource.internal.ResourceContext; |
| 20 | import net.kuujo.copycat.state.StateMachine; |
| 21 | import net.kuujo.copycat.resource.internal.AbstractResource; |
| 22 | import net.kuujo.copycat.state.internal.DefaultStateMachine; |
| 23 | import net.kuujo.copycat.util.concurrent.Futures; |
| 24 | |
| 25 | import java.util.Collection; |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 26 | import java.util.Map; |
| 27 | import java.util.Set; |
| 28 | import java.util.concurrent.CompletableFuture; |
| 29 | import java.util.function.Supplier; |
| 30 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 31 | import org.onosproject.store.service.Transaction; |
Madan Jampani | 393e0f0 | 2015-02-12 07:35:39 +0530 | [diff] [blame] | 32 | import org.onosproject.store.service.Versioned; |
| 33 | |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 34 | /** |
| 35 | * Default database. |
| 36 | */ |
| 37 | public class DefaultDatabase extends AbstractResource<Database> implements Database { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 38 | private final StateMachine<DatabaseState<String, byte[]>> stateMachine; |
| 39 | private DatabaseProxy<String, byte[]> proxy; |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 40 | |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 41 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 42 | public DefaultDatabase(ResourceContext context) { |
| 43 | super(context); |
| 44 | this.stateMachine = new DefaultStateMachine(context, DatabaseState.class, DefaultDatabaseState.class); |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 45 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 46 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 47 | /** |
| 48 | * If the database is closed, returning a failed CompletableFuture. Otherwise, calls the given supplier to |
| 49 | * return the completed future result. |
| 50 | * |
| 51 | * @param supplier The supplier to call if the database is open. |
| 52 | * @param <T> The future result type. |
| 53 | * @return A completable future that if this database is closed is immediately failed. |
| 54 | */ |
| 55 | protected <T> CompletableFuture<T> checkOpen(Supplier<CompletableFuture<T>> supplier) { |
| 56 | if (proxy == null) { |
| 57 | return Futures.exceptionalFuture(new IllegalStateException("Database closed")); |
| 58 | } |
| 59 | return supplier.get(); |
| 60 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 61 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 62 | @Override |
Madan Jampani | a89f8f9 | 2015-04-01 14:39:54 -0700 | [diff] [blame] | 63 | public CompletableFuture<Set<String>> tableNames() { |
| 64 | return checkOpen(() -> proxy.tableNames()); |
| 65 | } |
| 66 | |
| 67 | @Override |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 68 | public CompletableFuture<Integer> size(String tableName) { |
| 69 | return checkOpen(() -> proxy.size(tableName)); |
| 70 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 71 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 72 | @Override |
| 73 | public CompletableFuture<Boolean> isEmpty(String tableName) { |
| 74 | return checkOpen(() -> proxy.isEmpty(tableName)); |
| 75 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 76 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 77 | @Override |
| 78 | public CompletableFuture<Boolean> containsKey(String tableName, String key) { |
| 79 | return checkOpen(() -> proxy.containsKey(tableName, key)); |
| 80 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 81 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 82 | @Override |
| 83 | public CompletableFuture<Boolean> containsValue(String tableName, byte[] value) { |
| 84 | return checkOpen(() -> proxy.containsValue(tableName, value)); |
| 85 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 86 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 87 | @Override |
| 88 | public CompletableFuture<Versioned<byte[]>> get(String tableName, String key) { |
| 89 | return checkOpen(() -> proxy.get(tableName, key)); |
| 90 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 91 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 92 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 93 | public CompletableFuture<Result<Versioned<byte[]>>> put(String tableName, String key, byte[] value) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 94 | return checkOpen(() -> proxy.put(tableName, key, value)); |
| 95 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 96 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 97 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 98 | public CompletableFuture<Result<Versioned<byte[]>>> remove(String tableName, String key) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 99 | return checkOpen(() -> proxy.remove(tableName, key)); |
| 100 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 101 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 102 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 103 | public CompletableFuture<Result<Void>> clear(String tableName) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 104 | return checkOpen(() -> proxy.clear(tableName)); |
| 105 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 106 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 107 | @Override |
| 108 | public CompletableFuture<Set<String>> keySet(String tableName) { |
| 109 | return checkOpen(() -> proxy.keySet(tableName)); |
| 110 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 111 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 112 | @Override |
| 113 | public CompletableFuture<Collection<Versioned<byte[]>>> values(String tableName) { |
| 114 | return checkOpen(() -> proxy.values(tableName)); |
| 115 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 116 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 117 | @Override |
| 118 | public CompletableFuture<Set<Map.Entry<String, Versioned<byte[]>>>> entrySet(String tableName) { |
| 119 | return checkOpen(() -> proxy.entrySet(tableName)); |
| 120 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 121 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 122 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 123 | public CompletableFuture<Result<Versioned<byte[]>>> putIfAbsent(String tableName, String key, byte[] value) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 124 | return checkOpen(() -> proxy.putIfAbsent(tableName, key, value)); |
| 125 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 126 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 127 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 128 | public CompletableFuture<Result<Boolean>> remove(String tableName, String key, byte[] value) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 129 | return checkOpen(() -> proxy.remove(tableName, key, value)); |
| 130 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 131 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 132 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 133 | public CompletableFuture<Result<Boolean>> remove(String tableName, String key, long version) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 134 | return checkOpen(() -> proxy.remove(tableName, key, version)); |
| 135 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 136 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 137 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 138 | public CompletableFuture<Result<Boolean>> replace(String tableName, String key, byte[] oldValue, byte[] newValue) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 139 | return checkOpen(() -> proxy.replace(tableName, key, oldValue, newValue)); |
| 140 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 141 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 142 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 143 | public CompletableFuture<Result<Boolean>> replace(String tableName, String key, long oldVersion, byte[] newValue) { |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 144 | return checkOpen(() -> proxy.replace(tableName, key, oldVersion, newValue)); |
| 145 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 146 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 147 | @Override |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 148 | public CompletableFuture<Boolean> prepareAndCommit(Transaction transaction) { |
| 149 | return checkOpen(() -> proxy.prepareAndCommit(transaction)); |
| 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public CompletableFuture<Boolean> prepare(Transaction transaction) { |
| 154 | return checkOpen(() -> proxy.prepare(transaction)); |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public CompletableFuture<Boolean> commit(Transaction transaction) { |
| 159 | return checkOpen(() -> proxy.commit(transaction)); |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public CompletableFuture<Boolean> rollback(Transaction transaction) { |
| 164 | return checkOpen(() -> proxy.rollback(transaction)); |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 165 | } |
Madan Jampani | 94c2353 | 2015-02-05 17:40:01 -0800 | [diff] [blame] | 166 | |
Madan Jampani | f1b8e17 | 2015-03-23 11:42:02 -0700 | [diff] [blame] | 167 | @Override |
| 168 | @SuppressWarnings("unchecked") |
| 169 | public synchronized CompletableFuture<Database> open() { |
| 170 | return runStartupTasks() |
| 171 | .thenCompose(v -> stateMachine.open()) |
| 172 | .thenRun(() -> { |
| 173 | this.proxy = stateMachine.createProxy(DatabaseProxy.class, this.getClass().getClassLoader()); |
| 174 | }) |
| 175 | .thenApply(v -> null); |
| 176 | } |
| 177 | |
| 178 | @Override |
| 179 | public synchronized CompletableFuture<Void> close() { |
| 180 | proxy = null; |
| 181 | return stateMachine.close() |
| 182 | .thenCompose(v -> runShutdownTasks()); |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | public int hashCode() { |
| 187 | return name().hashCode(); |
| 188 | } |
| 189 | |
| 190 | @Override |
| 191 | public boolean equals(Object other) { |
| 192 | if (other instanceof Database) { |
| 193 | return name().equals(((Database) other).name()); |
| 194 | } |
| 195 | return false; |
| 196 | } |
Madan Jampani | bff6d8f | 2015-03-31 16:53:47 -0700 | [diff] [blame^] | 197 | } |