Java tutorial
/** * The contents of this file are subject to the Mozilla Public License * Version 1.1 (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.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations under * the License. * * The Original Code is OpenELIS code. * * Copyright (C) The Minnesota Department of Health. All Rights Reserved. */ package us.mn.state.health.lims.panel.daoimpl; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Vector; import org.apache.commons.beanutils.PropertyUtils; import org.hibernate.HibernateException; import org.hibernate.Query; import us.mn.state.health.lims.audittrail.dao.AuditTrailDAO; import us.mn.state.health.lims.audittrail.daoimpl.AuditTrailDAOImpl; import us.mn.state.health.lims.common.action.IActionConstants; import us.mn.state.health.lims.common.daoimpl.BaseDAOImpl; import us.mn.state.health.lims.common.exception.LIMSDuplicateRecordException; import us.mn.state.health.lims.common.exception.LIMSRuntimeException; import us.mn.state.health.lims.common.log.LogEvent; import us.mn.state.health.lims.common.util.StringUtil; import us.mn.state.health.lims.common.util.SystemConfiguration; import us.mn.state.health.lims.hibernate.HibernateUtil; import us.mn.state.health.lims.panel.dao.PanelDAO; import us.mn.state.health.lims.panel.valueholder.Panel; /** * @author diane benz */ public class PanelDAOImpl extends BaseDAOImpl implements PanelDAO { private static Map<String, String> ID_NAME_MAP = null; private static Map<String, String> ID_DESCRIPTION_MAP = null; private static Map<String, String> NAME_ID_MAP = null; public void deleteData(List panels) throws LIMSRuntimeException { //add to audit trail try { AuditTrailDAO auditDAO = new AuditTrailDAOImpl(); for (int i = 0; i < panels.size(); i++) { Panel data = (Panel) panels.get(i); Panel oldData = (Panel) readPanel(data.getId()); Panel newData = new Panel(); String sysUserId = data.getSysUserId(); String event = IActionConstants.AUDIT_TRAIL_DELETE; String tableName = "PANEL"; auditDAO.saveHistory(newData, oldData, sysUserId, event, tableName); } } catch (Exception e) { //bugzilla 2154 LogEvent.logError("PanelDAOImpl", "AuditTrail deleteData()", e.toString()); throw new LIMSRuntimeException("Error in Panel AuditTrail deleteData()", e); } try { for (int i = 0; i < panels.size(); i++) { Panel data = (Panel) panels.get(i); //bugzilla 2206 data = (Panel) readPanel(data.getId()); HibernateUtil.getSession().delete(data); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } } catch (Exception e) { //bugzilla 2154 LogEvent.logError("PanelDAOImpl", "deleteData()", e.toString()); throw new LIMSRuntimeException("Error in Panel deleteData()", e); } clearIDMaps(); } public boolean insertData(Panel panel) throws LIMSRuntimeException { try { // bugzilla 1482 throw Exception if record already exists if (duplicatePanelExists(panel)) { throw new LIMSDuplicateRecordException("Duplicate record exists for " + panel.getPanelName()); } //AIS - bugzilla 1563 if (duplicatePanelDescriptionExists(panel)) { throw new LIMSDuplicateRecordException("Duplicate record exists for panel description"); } String id = (String) HibernateUtil.getSession().save(panel); panel.setId(id); //bugzilla 1824 inserts will be logged in history table AuditTrailDAO auditDAO = new AuditTrailDAOImpl(); String sysUserId = panel.getSysUserId(); String tableName = "PANEL"; auditDAO.saveNewHistory(panel, sysUserId, tableName); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("PanelDAOImpl", "insertData()", e.toString()); throw new LIMSRuntimeException("Error in Panel insertData()", e); } clearIDMaps(); return true; } public void updateData(Panel panel) throws LIMSRuntimeException { // bugzilla 1482 throw Exception if record already exists try { if (duplicatePanelExists(panel)) { throw new LIMSDuplicateRecordException("Duplicate record exists for " + panel.getPanelName()); } //AIS - bugzilla 1563 if (duplicatePanelDescriptionExists(panel)) { throw new LIMSDuplicateRecordException("Duplicate record exists for panel description"); } } catch (Exception e) { //bugzilla 2154 LogEvent.logError("PanelDAOImpl", "updateData()", e.toString()); throw new LIMSRuntimeException("Error in Panel updateData()", e); } Panel oldData = (Panel) readPanel(panel.getId()); Panel newData = panel; //add to audit trail try { AuditTrailDAO auditDAO = new AuditTrailDAOImpl(); String sysUserId = panel.getSysUserId(); String event = IActionConstants.AUDIT_TRAIL_UPDATE; String tableName = "PANEL"; auditDAO.saveHistory(newData, oldData, sysUserId, event, tableName); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("PanelDAOImpl", "AuditTrail updateData()", e.toString()); throw new LIMSRuntimeException("Error in Panel AuditTrail updateData()", e); } try { HibernateUtil.getSession().merge(panel); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); HibernateUtil.getSession().evict(panel); HibernateUtil.getSession().refresh(panel); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("PanelDAOImpl", "updateData()", e.toString()); throw new LIMSRuntimeException("Error in Panel updateData()", e); } clearIDMaps(); } public void getData(Panel panel) throws LIMSRuntimeException { try { Panel pan = (Panel) HibernateUtil.getSession().get(Panel.class, panel.getId()); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); if (pan != null) { PropertyUtils.copyProperties(panel, pan); } else { panel.setId(null); } } catch (Exception e) { //bugzilla 2154 LogEvent.logError("PanelDAOImpl", "getData()", e.toString()); throw new LIMSRuntimeException("Error in Panel getData()", e); } } public Panel getPanelById(String panelId) throws LIMSRuntimeException { try { Panel panel = (Panel) HibernateUtil.getSession().get(Panel.class, panelId); closeSession(); return panel; } catch (HibernateException e) { handleException(e, "getDataById"); } return null; } @SuppressWarnings("unchecked") public List<Panel> getAllActivePanels() throws LIMSRuntimeException { try { String sql = "from Panel p where p.isActive = 'Y' order by p.panelName"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); List<Panel> list = query.list(); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); return list; } catch (Exception e) { LogEvent.logError("PanelDAOImpl", "getAllPanels()", e.toString()); throw new LIMSRuntimeException("Error in Panel getAllActivePanels()", e); } } public List getPageOfPanels(int startingRecNo) throws LIMSRuntimeException { List list = new Vector(); try { // calculate maxRow to be one more than the page size int endingRecNo = startingRecNo + (SystemConfiguration.getInstance().getDefaultPageSize() + 1); //bugzilla 1399 String sql = "from Panel p order by p.panelName"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setFirstResult(startingRecNo - 1); query.setMaxResults(endingRecNo - 1); list = query.list(); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("PanelDAOImpl", "getPageOfPanels()", e.toString()); throw new LIMSRuntimeException("Error in Panel getPageOfPanels()", e); } return list; } public Panel readPanel(String idString) { Panel panel = null; try { panel = (Panel) HibernateUtil.getSession().get(Panel.class, idString); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("PanelDAOImpl", "readPanel()", e.toString()); throw new LIMSRuntimeException("Error in Panel readPanel()", e); } return panel; } // this is for autocomplete public List getActivePanels(String filter) throws LIMSRuntimeException { List list = null; try { String sql = "from Panel p where isActive = 'Y' and upper(p.panelName) like upper(:param) order by upper(p.panelName)"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setParameter("param", filter + "%"); list = query.list(); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { LogEvent.logError("PanelDAOImpl", "getPanels()", e.toString()); throw new LIMSRuntimeException("Error in Panel getPanels()", e); } return list; } public List getNextPanelRecord(String id) throws LIMSRuntimeException { return getNextRecord(id, "Panel", Panel.class); } public List getPreviousPanelRecord(String id) throws LIMSRuntimeException { return getPreviousRecord(id, "Panel", Panel.class); } public Panel getPanelByName(Panel panel) throws LIMSRuntimeException { return getPanelByName(panel.getPanelName()); } public Integer getTotalPanelCount() throws LIMSRuntimeException { return getTotalCount("Panel", Panel.class); } public List getNextRecord(String id, String table, Class clazz) throws LIMSRuntimeException { List list = new Vector(); try { String sql = "from " + table + " t where name >= " + enquote(id) + " order by t.panelName"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setFirstResult(1); query.setMaxResults(2); list = query.list(); } catch (Exception e) { LogEvent.logError("PanelDAOImpl", "getNextRecord()", e.toString()); throw new LIMSRuntimeException("Error in getNextRecord() for " + table, e); } return list; } public List getPreviousRecord(String id, String table, Class clazz) throws LIMSRuntimeException { List list = new Vector(); try { String sql = "from " + table + " t order by t.panelName desc where name <= " + enquote(id); org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setFirstResult(1); query.setMaxResults(2); list = query.list(); } catch (Exception e) { LogEvent.logError("PanelDAOImpl", "getPreviousRecord()", e.toString()); throw new LIMSRuntimeException("Error in getPreviousRecord() for " + table, e); } return list; } private boolean duplicatePanelExists(Panel panel) throws LIMSRuntimeException { try { List list = new ArrayList(); // not case sensitive hemolysis and Hemolysis are considered // duplicates String sql = "from Panel t where trim(lower(t.panelName)) = :param and t.id != :panelId"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setParameter("param", panel.getPanelName().toLowerCase().trim()); // initialize with 0 (for new records where no id has been generated // yet String panelId = "0"; if (!StringUtil.isNullorNill(panel.getId())) { panelId = panel.getId(); } query.setInteger("panelId", Integer.parseInt(panelId)); list = query.list(); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); if (list.size() > 0) { return true; } else { return false; } } catch (Exception e) { LogEvent.logError("PanelDAOImpl", "duplicatePanelExists()", e.toString()); throw new LIMSRuntimeException("Error in duplicatePanelExists()", e); } } private boolean duplicatePanelDescriptionExists(Panel panel) throws LIMSRuntimeException { try { List list = new ArrayList(); // not case sensitive hemolysis and Hemolysis are considered // duplicates String sql = "from Panel t where trim(lower(t.description)) = :param and t.id != :panelId"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setParameter("param", panel.getDescription().toLowerCase().trim()); // initialize with 0 (for new records where no id has been generated // yet String panelId = "0"; if (!StringUtil.isNullorNill(panel.getId())) { panelId = panel.getId(); } query.setInteger("panelId", Integer.parseInt(panelId)); list = query.list(); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); if (list.size() > 0) { return true; } else { return false; } } catch (Exception e) { LogEvent.logError("PanelDAOImpl", "duplicatePanelDescriptionExists()", e.toString()); throw new LIMSRuntimeException("Error in duplicatePanelDescriptionExists()", e); } } public String getNameForPanelId(String id) { if (ID_NAME_MAP == null) { loadMaps(); } return ID_NAME_MAP != null ? ID_NAME_MAP.get(id) : id; } @Override public String getDescriptionForPanelId(String id) { if (ID_DESCRIPTION_MAP == null) { loadMaps(); } return ID_DESCRIPTION_MAP != null ? ID_DESCRIPTION_MAP.get(id) : id; } @Override public String getIdForPanelName(String name) { if (NAME_ID_MAP == null) { loadMaps(); } return NAME_ID_MAP != null ? NAME_ID_MAP.get(name) : null; } private void loadMaps() { List allPanels = getAllActivePanels(); if (allPanels != null) { ID_NAME_MAP = new HashMap<String, String>(); ID_DESCRIPTION_MAP = new HashMap<String, String>(); NAME_ID_MAP = new HashMap<String, String>(); for (Object panelObj : allPanels) { Panel panel = (Panel) panelObj; ID_NAME_MAP.put(panel.getId(), panel.getPanelName()); ID_DESCRIPTION_MAP.put(panel.getId(), panel.getDescription()); NAME_ID_MAP.put(panel.getPanelName(), panel.getId()); } } } private void clearIDMaps() { ID_NAME_MAP = null; ID_DESCRIPTION_MAP = null; } @Override public Panel getPanelByName(String panelName) { try { String sql = "from Panel p where p.panelName = :name"; Query query = HibernateUtil.getSession().createQuery(sql); query.setString("name", panelName); @SuppressWarnings("unchecked") List<Panel> panelList = query.list(); closeSession(); return panelList.isEmpty() ? null : panelList.get(0); } catch (Exception e) { LogEvent.logError("PanelDAOImpl", "getPanelByName()", e.toString()); throw new LIMSRuntimeException("Error in Panel getPanelByName()", e); } } }