Java tutorial
/* * 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 com.glaf.core.service.impl; import java.util.*; import org.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.apache.ibatis.session.RowBounds; import org.mybatis.spring.SqlSessionTemplate; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import com.glaf.core.id.*; import com.glaf.core.jdbc.DBConnectionFactory; import com.glaf.core.dao.*; import com.glaf.core.mapper.*; import com.glaf.core.domain.*; import com.glaf.core.query.*; import com.glaf.core.service.SysKeyService; import com.glaf.core.util.DBUtils; @Service("sysKeyService") @Transactional(readOnly = true) public class MxSysKeyServiceImpl implements SysKeyService { protected final Logger logger = LoggerFactory.getLogger(getClass()); protected EntityDAO entityDAO; protected IdGenerator idGenerator; protected JdbcTemplate jdbcTemplate; protected SqlSessionTemplate sqlSessionTemplate; protected SysKeyMapper sysKeyMapper; public MxSysKeyServiceImpl() { } public int count(SysKeyQuery query) { return sysKeyMapper.getSysKeyCount(query); } @Transactional public void deleteById(String id) { if (id != null) { sysKeyMapper.deleteSysKeyById(id); } } @Transactional public void deleteByIds(List<String> ids) { if (ids != null && !ids.isEmpty()) { for (String id : ids) { sysKeyMapper.deleteSysKeyById(id); } } } public SysKey getSysKey(String id) { if (id == null) { return null; } if (StringUtils.equals(DBUtils.POSTGRESQL, DBConnectionFactory.getDatabaseType())) { SysKey sysKey = sysKeyMapper.getSysKeyById_postgres(id); return sysKey; } SysKey sysKey = sysKeyMapper.getSysKeyById(id); return sysKey; } /** * ??? * * @return */ public int getSysKeyCountByQueryCriteria(SysKeyQuery query) { return sysKeyMapper.getSysKeyCount(query); } /** * ???? * * @return */ public List<SysKey> getSysKeysByQueryCriteria(int start, int pageSize, SysKeyQuery query) { RowBounds rowBounds = new RowBounds(start, pageSize); List<SysKey> rows = sqlSessionTemplate.selectList("getSysKeys", query, rowBounds); return rows; } public List<SysKey> list(SysKeyQuery query) { List<SysKey> list = sysKeyMapper.getSysKeys(query); return list; } @Transactional public void save(SysKey sysKey) { if (StringUtils.isEmpty(sysKey.getId())) { sysKey.setId(idGenerator.getNextId("SYS_KEY")); } sysKey.setCreateDate(new Date()); if (StringUtils.equals(DBUtils.POSTGRESQL, DBConnectionFactory.getDatabaseType())) { sysKeyMapper.insertSysKey(sysKey); } else { sysKeyMapper.insertSysKey_postgres(sysKey); } } @javax.annotation.Resource public void setEntityDAO(EntityDAO entityDAO) { this.entityDAO = entityDAO; } @javax.annotation.Resource public void setIdGenerator(IdGenerator idGenerator) { this.idGenerator = idGenerator; } @javax.annotation.Resource public void setJdbcTemplate(JdbcTemplate jdbcTemplate) { this.jdbcTemplate = jdbcTemplate; } @javax.annotation.Resource public void setSqlSessionTemplate(SqlSessionTemplate sqlSessionTemplate) { this.sqlSessionTemplate = sqlSessionTemplate; } @javax.annotation.Resource public void setSysKeyMapper(SysKeyMapper sysKeyMapper) { this.sysKeyMapper = sysKeyMapper; } }