Java tutorial
/* * Copyright 2002-2013 the original author or authors. * * 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.watterssoft.appsupport.user.service; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import org.watterssoft.appsupport.user.dao.IUserDao; import org.watterssoft.appsupport.user.domain.User; /** * @author johnwatters 6 May 2014 13:04:22 */ @Service public class UserService { private IUserDao userDao; @Autowired public UserService(IUserDao dao) { this.userDao = dao; } @Transactional(propagation = Propagation.REQUIRED) public User getUserByUserName(String username) { return userDao.findByUsername(username); } }