| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.asterix.transaction.management.service.transaction; |
| |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.asterix.common.exceptions.ACIDException; |
| import org.apache.asterix.common.transactions.ITransactionManager; |
| import org.apache.asterix.common.transactions.TxnId; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndex; |
| import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker; |
| import org.apache.hyracks.storage.am.lsm.common.api.LSMOperationType; |
| import org.apache.hyracks.storage.common.IModificationOperationCallback; |
| import org.apache.hyracks.util.annotations.ThreadSafe; |
| |
| @ThreadSafe |
| public class AtomicTransactionContext extends AbstractTransactionContext { |
| |
| private final Map<Long, ILSMOperationTracker> opTrackers = new ConcurrentHashMap<>(); |
| private final Map<Long, AtomicInteger> indexPendingOps = new ConcurrentHashMap<>(); |
| private final Map<Long, IModificationOperationCallback> callbacks = new ConcurrentHashMap<>(); |
| protected final Set<ILSMOperationTracker> modifiedIndexes = Collections.synchronizedSet(new HashSet<>()); |
| |
| public AtomicTransactionContext(TxnId txnId) { |
| super(txnId); |
| } |
| |
| @Override |
| public void register(long resourceId, int partition, ILSMIndex index, IModificationOperationCallback callback, |
| boolean primaryIndex) { |
| super.register(resourceId, partition, index, callback, primaryIndex); |
| synchronized (opTrackers) { |
| if (primaryIndex && !opTrackers.containsKey(resourceId)) { |
| opTrackers.put(resourceId, index.getOperationTracker()); |
| callbacks.put(resourceId, callback); |
| indexPendingOps.put(resourceId, new AtomicInteger(0)); |
| } |
| } |
| } |
| |
| @Override |
| public void notifyEntityCommitted(int partition) { |
| throw new IllegalStateException("Unexpected entity commit in atomic transaction"); |
| } |
| |
| @Override |
| public void beforeOperation(long resourceId) { |
| indexPendingOps.get(resourceId).incrementAndGet(); |
| modifiedIndexes.add(opTrackers.get(resourceId)); |
| } |
| |
| @Override |
| public void afterOperation(long resourceId) { |
| indexPendingOps.get(resourceId).decrementAndGet(); |
| } |
| |
| @Override |
| public void cleanup() { |
| switch (getTxnState()) { |
| case ITransactionManager.ABORTED: |
| case ITransactionManager.COMMITTED: |
| for (Map.Entry<Long, ILSMOperationTracker> opTracker : opTrackers.entrySet()) { |
| try { |
| final long resId = opTracker.getKey(); |
| final int idxPendingOps = indexPendingOps.get(resId).intValue(); |
| for (int i = 0; i < idxPendingOps; i++) { |
| opTracker.getValue().completeOperation(null, LSMOperationType.FORCE_MODIFICATION, null, |
| callbacks.get(resId)); |
| } |
| } catch (HyracksDataException e) { |
| throw new ACIDException(e); |
| } |
| } |
| break; |
| default: |
| throw new IllegalStateException("invalid state in txn clean up: " + getTxnState()); |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| return Long.hashCode(txnId.getId()); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| AtomicTransactionContext that = (AtomicTransactionContext) o; |
| return this.txnId.equals(that.txnId); |
| } |
| |
| @Override |
| public boolean hasWAL() { |
| return true; |
| } |
| } |