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.component.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.component.dao.ComponentFrequencyDao; import ph.fingra.hadoop.dbms.parts.component.domain.CompoFrequencyAll; public class ComponentFrequencyServiceImpl implements ComponentFrequencyService { private static ComponentFrequencyService instance = null; static { instance = new ComponentFrequencyServiceImpl(); } public static ComponentFrequencyService getInstance() { return instance; } // ------------------------------------------------------------------------ //cp_compo_frequency_day // ------------------------------------------------------------------------ public int insertBatchComponentFrequencyDay(List<CompoFrequencyAll> in_volist) throws Exception { if (in_volist == null) { return 0; } SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); ComponentFrequencyDao dao = session.getMapper(ComponentFrequencyDao.class); boolean has_error = false; try { if (in_volist != null) { Iterator<CompoFrequencyAll> it = in_volist.iterator(); while (it.hasNext()) { CompoFrequencyAll insert = it.next(); dao.insertCompoFrequencyDay(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 deleteComponentFrequencyDayByDate(String year, String month, String day) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); ComponentFrequencyDao dao = session.getMapper(ComponentFrequencyDao.class); boolean has_error = false; try { dao.deleteCompoFrequencyDayByKey(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 selectComponentFrequencyDayCountByKey(String year, String month, String day, String appkey, String componentkey) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(); ComponentFrequencyDao dao = session.getMapper(ComponentFrequencyDao.class); int cnt = 0; try { cnt = dao.selectCompoFrequencyDayCountByKey(year, month, day, appkey, componentkey); } finally { session.close(); } return cnt; } // ------------------------------------------------------------------------ //cp_compo_frequency_week // ------------------------------------------------------------------------ public int insertBatchComponentFrequencyWeek(List<CompoFrequencyAll> in_volist) throws Exception { if (in_volist == null) { return 0; } SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); ComponentFrequencyDao dao = session.getMapper(ComponentFrequencyDao.class); boolean has_error = false; try { if (in_volist != null) { Iterator<CompoFrequencyAll> it = in_volist.iterator(); while (it.hasNext()) { CompoFrequencyAll insert = it.next(); dao.insertCompoFrequencyWeek(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 deleteComponentFrequencyWeekByDate(String year, String week) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); ComponentFrequencyDao dao = session.getMapper(ComponentFrequencyDao.class); boolean has_error = false; try { dao.deleteCompoFrequencyWeekByKey(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 selectComponentFrequencyWeekCountByKey(String year, String week, String appkey, String componentkey) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(); ComponentFrequencyDao dao = session.getMapper(ComponentFrequencyDao.class); int cnt = 0; try { cnt = dao.selectCompoFrequencyWeekCountByKey(year, week, appkey, componentkey); } finally { session.close(); } return cnt; } // ------------------------------------------------------------------------ //cp_compo_frequency_month // ------------------------------------------------------------------------ public int insertBatchComponentFrequencyMonth(List<CompoFrequencyAll> in_volist) throws Exception { if (in_volist == null) { return 0; } SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); ComponentFrequencyDao dao = session.getMapper(ComponentFrequencyDao.class); boolean has_error = false; try { if (in_volist != null) { Iterator<CompoFrequencyAll> it = in_volist.iterator(); while (it.hasNext()) { CompoFrequencyAll insert = it.next(); dao.insertCompoFrequencyMonth(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 deleteComponentFrequencyMonthByDate(String year, String month) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(ExecutorType.BATCH, false); ComponentFrequencyDao dao = session.getMapper(ComponentFrequencyDao.class); boolean has_error = false; try { dao.deleteCompoFrequencyMonthByKey(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 selectComponentFrequencyMonthCountByKey(String year, String month, String appkey, String componentkey) throws Exception { SqlSession session = ConnectionFactory.getSession().openSession(); ComponentFrequencyDao dao = session.getMapper(ComponentFrequencyDao.class); int cnt = 0; try { cnt = dao.selectCompoFrequencyMonthCountByKey(year, month, appkey, componentkey); } finally { session.close(); } return cnt; } }