| /* |
| * Copyright 2016 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.store.primitives.resources.impl; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Multimap; |
| import com.google.common.collect.Multiset; |
| import io.atomix.copycat.client.CopycatClient; |
| import io.atomix.resource.AbstractResource; |
| import org.onlab.util.Match; |
| import org.onosproject.store.service.AsyncConsistentMultimap; |
| import org.onosproject.store.service.Versioned; |
| |
| import java.util.Collection; |
| import java.util.ConcurrentModificationException; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.Set; |
| import java.util.concurrent.CompletableFuture; |
| |
| import static org.onosproject.store.primitives.resources.impl.AsyncConsistentMultimapCommands.*; |
| |
| /** |
| * Set based implementation of the {@link AsyncConsistentMultimap}. |
| * <p> |
| * Note: this implementation does not allow null entries or duplicate entries. |
| */ |
| public class AsyncConsistentSetMultimap |
| extends AbstractResource<AsyncConsistentSetMultimap> |
| implements AsyncConsistentMultimap<String, byte[]> { |
| |
| public AsyncConsistentSetMultimap(CopycatClient client, |
| Properties properties) { |
| super(client, properties); |
| } |
| |
| @Override |
| public CompletableFuture<AsyncConsistentSetMultimap> open() { |
| return super.open(); |
| //TODO |
| } |
| |
| @Override |
| public CompletableFuture<Integer> size() { |
| return submit(new Size()); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> isEmpty() { |
| return submit(new IsEmpty()); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> containsKey(String key) { |
| return submit(new ContainsKey(key)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> containsValue(byte[] value) { |
| return submit(new ContainsValue(value)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> containsEntry(String key, byte[] value) { |
| return submit(new ContainsEntry(key, value)); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> put(String key, byte[] value) { |
| return submit(new UpdateAndGet(key, Lists.newArrayList(value), |
| Lists.newArrayList(Match.NULL), |
| Lists.newArrayList(Match.NULL))) |
| .whenComplete((result, e) -> throwIfLocked(result.status())) |
| .thenApply(result -> |
| result.status() == MapEntryUpdateResult.Status.OK); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> remove(String key, byte[] value) { |
| return submit(new UpdateAndGet(key, Lists.newArrayList(value), |
| Lists.newArrayList(Match.ifValue(value)), |
| Lists.newArrayList(Match.NULL))) |
| .whenComplete((result, e) -> throwIfLocked(result.status())) |
| .thenApply(result -> |
| result.status() == MapEntryUpdateResult.Status.OK); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> removeAll(String key, Iterable<? extends byte[]> values) { |
| |
| throw new UnsupportedOperationException("This operation cannot be " + |
| "used without support for " + |
| "transactions."); |
| } |
| |
| @Override |
| public CompletableFuture<Versioned<Collection<byte[]>>> removeAll(String key) { |
| return submit(new UpdateAndGet(key, null, null, null)) |
| .whenComplete((result, e) -> throwIfLocked(result.status())) |
| .thenApply(result -> result.oldValue()); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> putAll(String key, Iterable<? extends byte[]> values) { |
| throw new UnsupportedOperationException("This operation cannot be " + |
| "used without support for " + |
| "transactions."); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> putAll(Multimap<? extends String, ? extends byte[]> multiMap) { |
| throw new UnsupportedOperationException("This operation cannot be " + |
| "used without support for " + |
| "transactions."); |
| } |
| |
| @Override |
| public CompletableFuture<Collection<byte[]>> replaceValues(String key, Iterable<byte[]> values) { |
| throw new UnsupportedOperationException("This operation cannot be " + |
| "used without support for " + |
| "transactions."); |
| } |
| |
| @Override |
| public CompletableFuture<Void> clear() { |
| return submit(new AsyncConsistentMultimapCommands.Clear()); |
| } |
| |
| @Override |
| public CompletableFuture<Collection<byte[]>> get(String key) { |
| return submit(new Get()); |
| } |
| |
| @Override |
| public CompletableFuture<Set<String>> keySet() { |
| return submit(new KeySet()); |
| } |
| |
| @Override |
| public CompletableFuture<Multiset<String>> keys() { |
| return submit(new Keys()); |
| } |
| |
| @Override |
| public CompletableFuture<Collection<byte[]>> values() { |
| return submit(new Values()); |
| } |
| |
| @Override |
| public CompletableFuture<Collection<Map.Entry<String, byte[]>>> entries() { |
| return submit(new Entries()); |
| } |
| |
| @Override |
| public CompletableFuture<Map<String, Collection<byte[]>>> asMap() { |
| //TODO |
| throw new UnsupportedOperationException("Expensive operation."); |
| } |
| |
| @Override |
| public String name() { |
| return null; |
| } |
| |
| /** |
| * Helper to check if there was a lock based issue. |
| * @param status the status of an update result |
| */ |
| private void throwIfLocked(MapEntryUpdateResult.Status status) { |
| if (status == MapEntryUpdateResult.Status.WRITE_LOCK) { |
| throw new ConcurrentModificationException("Cannot update map: Another transaction in progress"); |
| } |
| } |
| } |