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.label.daoimpl; import java.util.ArrayList; import java.util.List; import java.util.Vector; import org.apache.commons.beanutils.PropertyUtils; 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.util.StringUtil; import us.mn.state.health.lims.common.util.SystemConfiguration; import us.mn.state.health.lims.common.log.LogEvent; import us.mn.state.health.lims.hibernate.HibernateUtil; import us.mn.state.health.lims.label.dao.LabelDAO; import us.mn.state.health.lims.label.valueholder.Label; /** * @author diane benz */ public class LabelDAOImpl extends BaseDAOImpl implements LabelDAO { public void deleteData(List labels) throws LIMSRuntimeException { //add to audit trail try { AuditTrailDAO auditDAO = new AuditTrailDAOImpl(); for (int i = 0; i < labels.size(); i++) { Label data = (Label) labels.get(i); Label oldData = (Label) readLabel(data.getId()); Label newData = new Label(); String sysUserId = data.getSysUserId(); String event = IActionConstants.AUDIT_TRAIL_DELETE; String tableName = "LABEL"; auditDAO.saveHistory(newData, oldData, sysUserId, event, tableName); } } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "AuditTrail deleteData()", e.toString()); throw new LIMSRuntimeException("Error in Label AuditTrail deleteData()", e); } try { for (int i = 0; i < labels.size(); i++) { Label data = (Label) labels.get(i); //bugzilla 2206 data = (Label) readLabel(data.getId()); HibernateUtil.getSession().delete(data); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "deleteData()", e.toString()); throw new LIMSRuntimeException("Error in Label deleteData()", e); } } public boolean insertData(Label label) throws LIMSRuntimeException { try { // bugzilla 1482 throw Exception if record already exists if (duplicateLabelExists(label)) { throw new LIMSDuplicateRecordException("Duplicate record exists for " + label.getLabelName()); } String id = (String) HibernateUtil.getSession().save(label); label.setId(id); //bugzilla 1824 inserts will be logged in history table AuditTrailDAO auditDAO = new AuditTrailDAOImpl(); String sysUserId = label.getSysUserId(); String tableName = "LABEL"; auditDAO.saveNewHistory(label, sysUserId, tableName); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "insertData()", e.toString()); throw new LIMSRuntimeException("Error in Label insertData()", e); } return true; } public void updateData(Label label) throws LIMSRuntimeException { // bugzilla 1482 throw Exception if record already exists try { if (duplicateLabelExists(label)) { throw new LIMSDuplicateRecordException("Duplicate record exists for " + label.getLabelName()); } } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "updateData()", e.toString()); throw new LIMSRuntimeException("Error in Label updateData()", e); } Label oldData = (Label) readLabel(label.getId()); Label newData = label; //add to audit trail try { AuditTrailDAO auditDAO = new AuditTrailDAOImpl(); String sysUserId = label.getSysUserId(); String event = IActionConstants.AUDIT_TRAIL_UPDATE; String tableName = "LABEL"; auditDAO.saveHistory(newData, oldData, sysUserId, event, tableName); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "updateData()", e.toString()); throw new LIMSRuntimeException("Error in Label AuditTrail updateData()", e); } try { HibernateUtil.getSession().merge(label); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); HibernateUtil.getSession().evict(label); HibernateUtil.getSession().refresh(label); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "updateData()", e.toString()); throw new LIMSRuntimeException("Error in Label updateData()", e); } } public void getData(Label label) throws LIMSRuntimeException { try { Label labl = (Label) HibernateUtil.getSession().get(Label.class, label.getId()); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); if (labl != null) { PropertyUtils.copyProperties(label, labl); } else { label.setId(null); } } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "getData()", e.toString()); throw new LIMSRuntimeException("Error in Label getData()", e); } } public List getAllLabels() throws LIMSRuntimeException { List list = new Vector(); try { String sql = "from Label"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); //query.setMaxResults(10); //query.setFirstResult(3); list = query.list(); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "getAllLabels()", e.toString()); throw new LIMSRuntimeException("Error in Label getAllLabels()", e); } return list; } public List getPageOfLabels(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 Label l order by l.labelName"; 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("LabelDAOImpl", "getPageOfLabels()", e.toString()); throw new LIMSRuntimeException("Error in Label getPageOfLabels()", e); } return list; } public Label readLabel(String idString) { Label label = null; try { label = (Label) HibernateUtil.getSession().get(Label.class, idString); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "readLabel()", e.toString()); throw new LIMSRuntimeException("Error in City readLabel()", e); } return label; } // this is for autocomplete public List getLabels(String filter) throws LIMSRuntimeException { List list = new Vector(); try { String sql = "from Label l where upper(l.labelName) like upper(:param) order by upper(l.labelName)"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setParameter("param", filter + "%"); list = query.list(); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "getLabels()", e.toString()); throw new LIMSRuntimeException("Error in Label getLabels(String filter)", e); } return list; } public List getNextLabelRecord(String id) throws LIMSRuntimeException { return getNextRecord(id, "Label", Label.class); } public List getPreviousLabelRecord(String id) throws LIMSRuntimeException { return getPreviousRecord(id, "Label", Label.class); } public Label getLabelByName(Label label) throws LIMSRuntimeException { try { String sql = "from Label l where l.labelName = :param"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setParameter("param", label.getLabelName()); List list = query.list(); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); Label labl = null; if (list.size() > 0) labl = (Label) list.get(0); return labl; } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "getLabelByName()", e.toString()); throw new LIMSRuntimeException("Error in Label getLabelByName()", e); } } //bugzilla 1411 public Integer getTotalLabelCount() throws LIMSRuntimeException { return getTotalCount("Label", Label.class); } //overriding BaseDAOImpl bugzilla 1427 pass in name not id 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.labelName"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setFirstResult(1); query.setMaxResults(2); list = query.list(); } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "getNextRecord()", e.toString()); throw new LIMSRuntimeException("Error in getNextRecord() for " + table, e); } return list; } //overriding BaseDAOImpl bugzilla 1427 pass in name not id public List getPreviousRecord(String id, String table, Class clazz) throws LIMSRuntimeException { List list = new Vector(); try { String sql = "from " + table + " t order by t.labelName 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) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "getPreviousRecord()", e.toString()); throw new LIMSRuntimeException("Error in getPreviousRecord() for " + table, e); } return list; } // bugzilla 1482 private boolean duplicateLabelExists(Label label) throws LIMSRuntimeException { try { List list = new ArrayList(); String sql = "from Label t where trim(lower(t.labelName)) = :param and t.id != :param2"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setParameter("param", label.getLabelName().toLowerCase().trim()); // initialize with 0 (for new records where no id has been generated // yet String labelId = "0"; if (!StringUtil.isNullorNill(label.getId())) { labelId = label.getId(); } query.setParameter("param2", labelId); list = query.list(); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); if (list.size() > 0) { return true; } else { return false; } } catch (Exception e) { //bugzilla 2154 LogEvent.logError("LabelDAOImpl", "duplicateLabelExists()", e.toString()); throw new LIMSRuntimeException("Error in duplicateLabelExists()", e); } } }