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.distribution.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.distribution.dao.OsversionDao; import ph.fingra.hadoop.dbms.parts.distribution.domain.OsversionAll; public class OsversionServiceImpl implements OsversionService { private static OsversionService instance = null; static { instance = new OsversionServiceImpl(); } public static OsversionService getInstance() { return instance; } // ------------------------------------------------------------------------ //st_osversion_day // ------------------------------------------------------------------------ public int insertBatchOsversionDay(List<OsversionAll> in_volist) throws Exception { if (in_volist == null) { return 0; } SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); OsversionDao dao = session.getMapper(OsversionDao.class); boolean has_error = false; try { if (in_volist != null) { Iterator<OsversionAll> it = in_volist.iterator(); while (it.hasNext()) { OsversionAll insert = it.next(); dao.insertOsversionDay(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 deleteOsversionDayByDate(String year, String month, String day) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); OsversionDao dao = session.getMapper(OsversionDao.class); boolean has_error = false; try { dao.deleteOsversionDayByKey(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 selectOsversionDayCountByKey(String year, String month, String day, String appkey, String osversion) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(); OsversionDao dao = session.getMapper(OsversionDao.class); int cnt = 0; try { cnt = dao.selectOsversionDayCountByKey(year, month, day, appkey, osversion); } finally { session.close(); } return cnt; } // ------------------------------------------------------------------------ //st_osversion_week // ------------------------------------------------------------------------ public int insertBatchOsversionWeek(List<OsversionAll> in_volist) throws Exception { if (in_volist == null) { return 0; } SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); OsversionDao dao = session.getMapper(OsversionDao.class); boolean has_error = false; try { if (in_volist != null) { Iterator<OsversionAll> it = in_volist.iterator(); while (it.hasNext()) { OsversionAll insert = it.next(); dao.insertOsversionWeek(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 deleteOsversionWeekByDate(String year, String week) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); OsversionDao dao = session.getMapper(OsversionDao.class); boolean has_error = false; try { dao.deleteOsversionWeekByKey(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 selectOsversionWeekCountByKey(String year, String week, String appkey, String osversion) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(); OsversionDao dao = session.getMapper(OsversionDao.class); int cnt = 0; try { cnt = dao.selectOsversionWeekCountByKey(year, week, appkey, osversion); } finally { session.close(); } return cnt; } // ------------------------------------------------------------------------ //st_osversion_month // ------------------------------------------------------------------------ public int insertBatchOsversionMonth(List<OsversionAll> in_volist) throws Exception { if (in_volist == null) { return 0; } SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); OsversionDao dao = session.getMapper(OsversionDao.class); boolean has_error = false; try { if (in_volist != null) { Iterator<OsversionAll> it = in_volist.iterator(); while (it.hasNext()) { OsversionAll insert = it.next(); dao.insertOsversionMonth(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 deleteOsversionMonthByDate(String year, String month) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); OsversionDao dao = session.getMapper(OsversionDao.class); boolean has_error = false; try { dao.deleteOsversionMonthByKey(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 selectOsversionMonthCountByKey(String year, String month, String appkey, String osversion) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(); OsversionDao dao = session.getMapper(OsversionDao.class); int cnt = 0; try { cnt = dao.selectOsversionMonthCountByKey(year, month, appkey, osversion); } finally { session.close(); } return cnt; } }