| /** |
| * 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.pulsar.broker.transaction.buffer.impl; |
| |
| import io.netty.util.HashedWheelTimer; |
| import java.util.concurrent.CompletableFuture; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.pulsar.broker.PulsarServerException; |
| import org.apache.pulsar.broker.PulsarService; |
| import org.apache.pulsar.broker.ServiceConfiguration; |
| import org.apache.pulsar.broker.transaction.buffer.TransactionBufferClientStats; |
| import org.apache.pulsar.client.api.transaction.TransactionBufferClient; |
| import org.apache.pulsar.client.api.transaction.TxnID; |
| import org.apache.pulsar.client.impl.transaction.TransactionBufferHandler; |
| import org.apache.pulsar.common.api.proto.TxnAction; |
| |
| /** |
| * The implementation of {@link TransactionBufferClient}. |
| */ |
| @Slf4j |
| public class TransactionBufferClientImpl implements TransactionBufferClient { |
| |
| private final TransactionBufferHandler tbHandler; |
| private final TransactionBufferClientStats stats; |
| |
| private TransactionBufferClientImpl(TransactionBufferHandler tbHandler, boolean exposeTopicLevelMetrics, |
| boolean enableTxnCoordinator) { |
| this.tbHandler = tbHandler; |
| this.stats = TransactionBufferClientStats.create(exposeTopicLevelMetrics, tbHandler, enableTxnCoordinator); |
| } |
| |
| public static TransactionBufferClient create(PulsarService pulsarService, HashedWheelTimer timer, |
| int maxConcurrentRequests, long operationTimeoutInMills) throws PulsarServerException { |
| TransactionBufferHandler handler = new TransactionBufferHandlerImpl(pulsarService, timer, |
| maxConcurrentRequests, operationTimeoutInMills); |
| |
| ServiceConfiguration config = pulsarService.getConfig(); |
| boolean exposeTopicLevelMetrics = config.isExposeTopicLevelMetricsInPrometheus(); |
| boolean enableTxnCoordinator = config.isTransactionCoordinatorEnabled(); |
| return new TransactionBufferClientImpl(handler, exposeTopicLevelMetrics, enableTxnCoordinator); |
| } |
| |
| @Override |
| public CompletableFuture<TxnID> commitTxnOnTopic(String topic, long txnIdMostBits, |
| long txnIdLeastBits, long lowWaterMark) { |
| long start = System.nanoTime(); |
| return tbHandler.endTxnOnTopic(topic, txnIdMostBits, txnIdLeastBits, TxnAction.COMMIT, lowWaterMark) |
| .whenComplete((__, t) -> { |
| if (null != t) { |
| this.stats.recordCommitFailed(topic); |
| } else { |
| this.stats.recordCommitLatency(topic, System.nanoTime() - start); |
| } |
| }); |
| } |
| |
| @Override |
| public CompletableFuture<TxnID> abortTxnOnTopic(String topic, long txnIdMostBits, |
| long txnIdLeastBits, long lowWaterMark) { |
| long start = System.nanoTime(); |
| return tbHandler.endTxnOnTopic(topic, txnIdMostBits, txnIdLeastBits, TxnAction.ABORT, lowWaterMark) |
| .whenComplete((__, t) -> { |
| if (null != t) { |
| this.stats.recordAbortFailed(topic); |
| } else { |
| this.stats.recordAbortLatency(topic, System.nanoTime() - start); |
| } |
| }); |
| } |
| |
| @Override |
| public CompletableFuture<TxnID> commitTxnOnSubscription(String topic, String subscription, long txnIdMostBits, |
| long txnIdLeastBits, long lowWaterMark) { |
| long start = System.nanoTime(); |
| return tbHandler.endTxnOnSubscription(topic, subscription, txnIdMostBits, txnIdLeastBits, |
| TxnAction.COMMIT, lowWaterMark) |
| .whenComplete((__, t) -> { |
| if (null != t) { |
| this.stats.recordCommitFailed(topic); |
| } else { |
| this.stats.recordCommitLatency(topic, System.nanoTime() - start); |
| } |
| }); |
| } |
| |
| @Override |
| public CompletableFuture<TxnID> abortTxnOnSubscription(String topic, String subscription, |
| long txnIdMostBits, long txnIdLeastBits, long lowWaterMark) { |
| long start = System.nanoTime(); |
| return tbHandler.endTxnOnSubscription(topic, subscription, txnIdMostBits, txnIdLeastBits, |
| TxnAction.ABORT, lowWaterMark) |
| .whenComplete((__, t) -> { |
| if (null != t) { |
| this.stats.recordAbortFailed(topic); |
| |
| } else { |
| this.stats.recordAbortLatency(topic, System.nanoTime() - start); |
| } |
| }); |
| } |
| |
| @Override |
| public void close() { |
| tbHandler.close(); |
| this.stats.close(); |
| } |
| |
| @Override |
| public int getAvailableRequestCredits() { |
| return tbHandler.getAvailableRequestCredits(); |
| } |
| |
| @Override |
| public int getPendingRequestsCount() { |
| return tbHandler.getPendingRequestsCount(); |
| } |
| } |