Java tutorial
/* * Copyright 2014 MIR@MU. * * 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 cz.muni.fi.mir.db.service.impl; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import cz.muni.fi.mir.db.dao.ConfigurationDAO; import cz.muni.fi.mir.db.domain.Configuration; import cz.muni.fi.mir.db.service.ConfigurationService; /** * * @author Dominik Szalai - emptulik at gmail.com */ @Service(value = "configurationService") @Transactional(readOnly = false) public class ConfigurationServiceImpl implements ConfigurationService { @Autowired private ConfigurationDAO configurationDAO; @Override public void createConfiguration(Configuration configuration) throws IllegalArgumentException { if (configuration == null) { throw new IllegalArgumentException("Given input is null."); } configurationDAO.create(configuration); } @Override public void updateConfiguration(Configuration configuration) throws IllegalArgumentException { InputChecker.checkInput(configuration); configurationDAO.update(configuration); } @Override public void deleteConfiguration(Configuration configuration) throws IllegalArgumentException { InputChecker.checkInput(configuration); configurationDAO.delete(configuration.getId()); } @Override @Transactional(readOnly = true) public Configuration getConfigurationByID(Long id) throws IllegalArgumentException { if (id == null || Long.valueOf("0").compareTo(id) >= 0) { throw new IllegalArgumentException( "Given entity does not have valid id should be greater than one but was [" + id + "]"); } return configurationDAO.getByID(id); } @Override @Transactional(readOnly = true) public List<Configuration> getAllCofigurations() { return configurationDAO.getAllCofigurations(); } }