| /* |
| * 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.servicecomb.pack.omega.transaction.spring; |
| |
| import org.apache.servicecomb.pack.omega.transaction.annotations.Compensable; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.stereotype.Component; |
| import org.springframework.transaction.annotation.Transactional; |
| |
| @Component |
| @Transactional |
| public class TransactionalUserService { |
| static final String ILLEGAL_USER = "Illegal User"; |
| private final UserRepository userRepository; |
| |
| private int count = 0; |
| |
| @Autowired |
| TransactionalUserService(UserRepository userRepository) { |
| this.userRepository = userRepository; |
| } |
| |
| void resetCount() { |
| this.count = 0; |
| } |
| |
| @Compensable(compensationMethod = "delete") |
| public User add(User user) { |
| if (ILLEGAL_USER.equals(user.username())) { |
| throw new IllegalArgumentException("User is illegal"); |
| } |
| return userRepository.save(user); |
| } |
| |
| public void delete(User user) { |
| userRepository.delete(user); |
| } |
| |
| @Compensable(forwardRetries = 2, compensationMethod = "delete") |
| public User add(User user, int count) { |
| if (this.count < count) { |
| this.count += 1; |
| throw new IllegalStateException("Retry harder"); |
| } |
| resetCount(); |
| return userRepository.save(user); |
| } |
| |
| public void delete(User user, int count) { |
| resetCount(); |
| userRepository.delete(user); |
| } |
| |
| @Compensable(compensationMethod = "deleteWithTransactional") |
| public User addWithTransactional(User user) { |
| if (ILLEGAL_USER.equals(user.username())) { |
| throw new IllegalArgumentException("User is illegal"); |
| } |
| return userRepository.save(user); |
| } |
| |
| // This method is failed on purpose which could rollback the call |
| public void deleteWithTransactional(User user) { |
| userRepository.delete(user); |
| throw new RuntimeException("saga compensation rollback test"); |
| } |
| } |