Java tutorial
/** * Copyright 2014 tgrape Inc. * * 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 ph.fingra.hadoop.dbms.parts.performance.service; import java.util.Iterator; import java.util.List; import org.apache.ibatis.executor.BatchResult; import org.apache.ibatis.session.ExecutorType; import org.apache.ibatis.session.SqlSession; import ph.fingra.hadoop.dbms.common.ConnectionFactory; import ph.fingra.hadoop.dbms.parts.performance.dao.UserDao; import ph.fingra.hadoop.dbms.parts.performance.domain.UserAll; public class UserServiceImpl implements UserService { private static UserService instance = null; static { instance = new UserServiceImpl(); } public static UserService getInstance() { return instance; } // ------------------------------------------------------------------------ //st_user_hour // ------------------------------------------------------------------------ public int insertBatchUserHour(List<UserAll> in_volist) throws Exception { if (in_volist == null) { return 0; } SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); UserDao dao = session.getMapper(UserDao.class); boolean has_error = false; try { if (in_volist != null) { Iterator<UserAll> it = in_volist.iterator(); while (it.hasNext()) { UserAll insert = it.next(); dao.insertUserHour(insert); } } List<BatchResult> results = session.flushStatements(); results.clear(); } catch (Exception e) { has_error = true; session.rollback(); session.close(); throw e; } finally { if (has_error == false) session.commit(); session.close(); } return (has_error == false) ? 1 : 0; } public int deleteUserHourByDate(String year, String month, String day, String hour) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); UserDao dao = session.getMapper(UserDao.class); boolean has_error = false; try { dao.deleteUserHourByKey(year, month, day, hour, ""); List<BatchResult> results = session.flushStatements(); results.clear(); } catch (Exception e) { has_error = true; session.rollback(); session.close(); throw e; } finally { if (has_error == false) session.commit(); session.close(); } return (has_error == false) ? 1 : 0; } public int selectUserHourCountByKey(String year, String month, String day, String hour, String appkey) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(); UserDao dao = session.getMapper(UserDao.class); int cnt = 0; try { cnt = dao.selectUserHourCountByKey(year, month, day, hour, appkey); } finally { session.close(); } return cnt; } // ------------------------------------------------------------------------ //st_user_day // ------------------------------------------------------------------------ public int insertBatchUserDay(List<UserAll> in_volist) throws Exception { if (in_volist == null) { return 0; } SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); UserDao dao = session.getMapper(UserDao.class); boolean has_error = false; try { if (in_volist != null) { Iterator<UserAll> it = in_volist.iterator(); while (it.hasNext()) { UserAll insert = it.next(); dao.insertUserDay(insert); } } List<BatchResult> results = session.flushStatements(); results.clear(); } catch (Exception e) { has_error = true; session.rollback(); session.close(); throw e; } finally { if (has_error == false) session.commit(); session.close(); } return (has_error == false) ? 1 : 0; } public int deleteUserDayByDate(String year, String month, String day) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); UserDao dao = session.getMapper(UserDao.class); boolean has_error = false; try { dao.deleteUserDayByKey(year, month, day, ""); List<BatchResult> results = session.flushStatements(); results.clear(); } catch (Exception e) { has_error = true; session.rollback(); session.close(); throw e; } finally { if (has_error == false) session.commit(); session.close(); } return (has_error == false) ? 1 : 0; } public int selectUserDayCountByKey(String year, String month, String day, String appkey) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(); UserDao dao = session.getMapper(UserDao.class); int cnt = 0; try { cnt = dao.selectUserDayCountByKey(year, month, day, appkey); } finally { session.close(); } return cnt; } // ------------------------------------------------------------------------ //st_user_week // ------------------------------------------------------------------------ public int insertBatchUserWeek(List<UserAll> in_volist) throws Exception { if (in_volist == null) { return 0; } SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); UserDao dao = session.getMapper(UserDao.class); boolean has_error = false; try { if (in_volist != null) { Iterator<UserAll> it = in_volist.iterator(); while (it.hasNext()) { UserAll insert = it.next(); dao.insertUserWeek(insert); } } List<BatchResult> results = session.flushStatements(); results.clear(); } catch (Exception e) { has_error = true; session.rollback(); session.close(); throw e; } finally { if (has_error == false) session.commit(); session.close(); } return (has_error == false) ? 1 : 0; } public int deleteUserWeekByDate(String year, String week) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); UserDao dao = session.getMapper(UserDao.class); boolean has_error = false; try { dao.deleteUserWeekByKey(year, week, ""); List<BatchResult> results = session.flushStatements(); results.clear(); } catch (Exception e) { has_error = true; session.rollback(); session.close(); throw e; } finally { if (has_error == false) session.commit(); session.close(); } return (has_error == false) ? 1 : 0; } public int selectUserWeekCountByKey(String year, String week, String appkey) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(); UserDao dao = session.getMapper(UserDao.class); int cnt = 0; try { cnt = dao.selectUserWeekCountByKey(year, week, appkey); } finally { session.close(); } return cnt; } // ------------------------------------------------------------------------ //st_user_month // ------------------------------------------------------------------------ public int insertBatchUserMonth(List<UserAll> in_volist) throws Exception { if (in_volist == null) { return 0; } SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); UserDao dao = session.getMapper(UserDao.class); boolean has_error = false; try { if (in_volist != null) { Iterator<UserAll> it = in_volist.iterator(); while (it.hasNext()) { UserAll insert = it.next(); dao.insertUserMonth(insert); } } List<BatchResult> results = session.flushStatements(); results.clear(); } catch (Exception e) { has_error = true; session.rollback(); session.close(); throw e; } finally { if (has_error == false) session.commit(); session.close(); } return (has_error == false) ? 1 : 0; } public int deleteUserMonthByDate(String year, String month) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); UserDao dao = session.getMapper(UserDao.class); boolean has_error = false; try { dao.deleteUserMonthByKey(year, month, ""); List<BatchResult> results = session.flushStatements(); results.clear(); } catch (Exception e) { has_error = true; session.rollback(); session.close(); throw e; } finally { if (has_error == false) session.commit(); session.close(); } return (has_error == false) ? 1 : 0; } public int selectUserMonthCountByKey(String year, String month, String appkey) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(); UserDao dao = session.getMapper(UserDao.class); int cnt = 0; try { cnt = dao.selectUserMonthCountByKey(year, month, appkey); } finally { session.close(); } return cnt; } }