泛型的增删改查公共方法

来源：互联网发布：redis in action java 编辑：程序博客网时间：2024/06/01 11:43
接口：/** * 根据某对象获取该对象的数据 *  * @param o * @return * @throws ServiceException */public <T> T getObject(T o) throws ServiceException;/** * 根据某个对象查询返回该对象的类型 *  * @param o * @return * @throws ServiceException */public <T> List<T> getObjectList(T o) throws ServiceException;/** * 保存 *  * @param object * @return * @throws ServiceException */public boolean insert(Object object) throws ServiceException;/** * 修改 *  * @param object * @return * @throws ServiceException */public boolean update(Object object) throws ServiceException;/** * 删除 *  * @param object * @return * @throws ServiceException */public boolean delete(Object object) throws ServiceException;实现；/** * 根据某对象获取该对象的数据 */@Overridepublic <T> T getObject(T o) throws ServiceException {try {List<T> l = dataManager.query(o);if (l != null && l.size() > 0)return l.get(0);else {return null;}} catch (DataManagerException e) {e.printStackTrace();throw new ServiceException("查询数据对象失败："+e.getMessage());}}/** * 根据某个对象查询返回该对象的类型 *  * @param 参数对象object * @return 返回值 list */public <T> List<T> getObjectList(T o) throws ServiceException {try {List<T> l = dataManager.query(o);return l;} catch (DataManagerException e) {e.printStackTrace();throw new ServiceException("查询集合数据对象失败："+e.getMessage());}}/** * 保存一个对象 *  */public boolean insert(Object object) throws ServiceException {boolean flag = false;DataBlock dbBlock = new DataBlock.Insert(object).build();try {dataManager.execute(dbBlock);flag = true;} catch (DataManagerException e) {e.printStackTrace();}return flag;}/** * 更新 */@Overridepublic boolean update(Object object) throws ServiceException {boolean flag = false;DataBlock dbBlock = new DataBlock.Update(object).build();dbBlock.parseToSql();try {dataManager.execute(dbBlock);flag = true;} catch (DataManagerException e) {e.printStackTrace();}return flag;}/** * 删除 */public boolean delete(Object object) throws ServiceException {boolean flag = false;try {dataManager.delete(object);flag = true;} catch (DataManagerException e) {flag = false;e.printStackTrace();}return flag;}
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