/* * 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.rocketmq.example.transaction; import org.apache.rocketmq.client.producer.LocalTransactionState; import org.apache.rocketmq.client.producer.TransactionCheckListener; import org.apache.rocketmq.common.message.MessageExt; import java.util.concurrent.atomic.AtomicInteger; import static org.apache.rocketmq.example.transaction.TransactionProducer.statsMap; public class TransactionCheckListenerImpl implements TransactionCheckListener { private AtomicInteger transactionIndex = new AtomicInteger(0); @Override public LocalTransactionState checkLocalTransactionState(MessageExt msg) { try { String val = new String(msg.getBody(), "UTF-8"); System.out.printf("server checking TrMsg " + val + "%n"); if (Integer.parseInt(val) < 0) { return LocalTransactionState.UNKNOW; } if (statsMap.get(Integer.parseInt(val)) != null && statsMap.get(Integer.parseInt(val))) { return LocalTransactionState.COMMIT_MESSAGE; } else { System.out.printf("server checking TrMsg " + val + ",ROLLBACK"); return LocalTransactionState.ROLLBACK_MESSAGE; } } catch (Exception e) { e.printStackTrace(); return LocalTransactionState.ROLLBACK_MESSAGE; } // int value = transactionIndex.getAndIncrement(); // if ((value % 6) == 0) { // throw new RuntimeException("Could not find db"); // } else if ((value % 5) == 0) { // return LocalTransactionState.ROLLBACK_MESSAGE; // } else if ((value % 4) == 0) { // return LocalTransactionState.COMMIT_MESSAGE; // } //return LocalTransactionState.COMMIT_MESSAGE; } }