| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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.atomix.primitives.impl; |
| |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| import io.atomix.core.transaction.AsyncTransaction; |
| import io.atomix.primitive.Recovery; |
| import io.atomix.protocols.raft.MultiRaftProtocol; |
| import org.onosproject.store.primitives.TransactionId; |
| import org.onosproject.store.service.CommitStatus; |
| import org.onosproject.store.service.DistributedPrimitive; |
| import org.onosproject.store.service.Serializer; |
| import org.onosproject.store.service.StorageException; |
| import org.onosproject.store.service.TransactionContext; |
| import org.onosproject.store.service.TransactionalMap; |
| |
| /** |
| * Atomix transaction context. |
| */ |
| public class AtomixTransactionContext implements TransactionContext { |
| private static final int MAX_RETRIES = 5; |
| |
| private final AsyncTransaction atomixTransaction; |
| private final String group; |
| |
| public AtomixTransactionContext(AsyncTransaction atomixTransaction, String group) { |
| this.atomixTransaction = atomixTransaction; |
| this.group = group; |
| } |
| |
| @Override |
| public String name() { |
| return atomixTransaction.name(); |
| } |
| |
| @Override |
| public TransactionId transactionId() { |
| return TransactionId.from(atomixTransaction.transactionId().id()); |
| } |
| |
| @Override |
| public boolean isOpen() { |
| return atomixTransaction.isOpen(); |
| } |
| |
| @Override |
| public void begin() { |
| try { |
| atomixTransaction.begin().get(DistributedPrimitive.DEFAULT_OPERATION_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS); |
| } catch (InterruptedException e) { |
| throw new StorageException.Interrupted(); |
| } catch (TimeoutException e) { |
| throw new StorageException.Timeout(); |
| } catch (ExecutionException e) { |
| throw new StorageException.Unavailable(); |
| } |
| } |
| |
| @Override |
| public CompletableFuture<CommitStatus> commit() { |
| return atomixTransaction.commit().thenApply(status -> CommitStatus.valueOf(status.name())); |
| } |
| |
| @Override |
| public void abort() { |
| try { |
| atomixTransaction.abort().get(DistributedPrimitive.DEFAULT_OPERATION_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS); |
| } catch (InterruptedException e) { |
| throw new StorageException.Interrupted(); |
| } catch (TimeoutException e) { |
| throw new StorageException.Timeout(); |
| } catch (ExecutionException e) { |
| throw new StorageException.Unavailable(); |
| } |
| } |
| |
| @Override |
| public <K, V> TransactionalMap<K, V> getTransactionalMap(String mapName, Serializer serializer) { |
| return new AtomixTransactionalMap<>(atomixTransaction.<K, V>mapBuilder(mapName) |
| .withProtocol(MultiRaftProtocol.builder(group) |
| .withRecoveryStrategy(Recovery.RECOVER) |
| .withMaxRetries(MAX_RETRIES) |
| .build()) |
| .withSerializer(new AtomixSerializerAdapter(serializer)) |
| .build()); |
| } |
| } |