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. * * Contributor(s): CIRG, University of Washington, Seattle WA. */ package us.mn.state.health.lims.role.daoimpl; import java.util.ArrayList; import java.util.List; import org.apache.commons.beanutils.PropertyUtils; import org.apache.commons.validator.GenericValidator; 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.LIMSRuntimeException; import us.mn.state.health.lims.common.log.LogEvent; import us.mn.state.health.lims.common.util.SystemConfiguration; import us.mn.state.health.lims.hibernate.HibernateUtil; import us.mn.state.health.lims.role.dao.RoleDAO; import us.mn.state.health.lims.role.valueholder.Role; public class RoleDAOImpl extends BaseDAOImpl implements RoleDAO { public void deleteData(List<Role> roles) throws LIMSRuntimeException { //add to audit trail try { AuditTrailDAO auditDAO = new AuditTrailDAOImpl(); for (Role data : roles) { Role oldData = readRole(data.getId()); Role newData = new Role(); String sysUserId = data.getSysUserId(); String event = IActionConstants.AUDIT_TRAIL_DELETE; String tableName = "SYSTEM_ROLE"; auditDAO.saveHistory(newData, oldData, sysUserId, event, tableName); } } catch (Exception e) { LogEvent.logError("RolesDAOImpl", "AuditTrail deleteData()", e.toString()); throw new LIMSRuntimeException("Error in Role AuditTrail deleteData()", e); } try { for (Role data : roles) { data = (Role) readRole(data.getId()); HibernateUtil.getSession().delete(data); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } } catch (Exception e) { LogEvent.logError("RolesDAOImpl", "deleteData()", e.toString()); throw new LIMSRuntimeException("Error in Role deleteData()", e); } } public boolean insertData(Role role) throws LIMSRuntimeException { try { String id = (String) HibernateUtil.getSession().save(role); role.setId(id); AuditTrailDAO auditDAO = new AuditTrailDAOImpl(); String sysUserId = role.getSysUserId(); String tableName = "SYSTEM_ROLE"; auditDAO.saveNewHistory(role, sysUserId, tableName); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { LogEvent.logError("RoleDAOImpl", "insertData()", e.toString()); throw new LIMSRuntimeException("Error in Role insertData()", e); } return true; } public void updateData(Role role) throws LIMSRuntimeException { Role oldData = readRole(role.getId()); Role newData = role; try { AuditTrailDAO auditDAO = new AuditTrailDAOImpl(); String sysUserId = role.getSysUserId(); String event = IActionConstants.AUDIT_TRAIL_UPDATE; String tableName = "SYSTEM_ROLE"; auditDAO.saveHistory(newData, oldData, sysUserId, event, tableName); } catch (Exception e) { LogEvent.logError("RolesDAOImpl", "AuditTrail updateData()", e.toString()); throw new LIMSRuntimeException("Error in Role AuditTrail updateData()", e); } try { HibernateUtil.getSession().merge(role); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); HibernateUtil.getSession().evict(role); HibernateUtil.getSession().refresh(role); } catch (Exception e) { LogEvent.logError("RolesDAOImpl", "updateData()", e.toString()); throw new LIMSRuntimeException("Error in Role updateData()", e); } } public void getData(Role role) throws LIMSRuntimeException { try { Role tmpRole = (Role) HibernateUtil.getSession().get(Role.class, role.getId()); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); if (tmpRole != null) { PropertyUtils.copyProperties(role, tmpRole); } else { role.setId(null); } } catch (Exception e) { LogEvent.logError("RolesDAOImpl", "getData()", e.toString()); throw new LIMSRuntimeException("Error in Role getData()", e); } } @SuppressWarnings("unchecked") public List<Role> getAllRoles() throws LIMSRuntimeException { List<Role> list = null; try { String sql = "from Role"; Query query = HibernateUtil.getSession().createQuery(sql); list = query.list(); closeSession(); } catch (HibernateException e) { handleException(e, "getAllRoles"); } return list; } @SuppressWarnings("unchecked") public List<Role> getAllActiveRoles() throws LIMSRuntimeException { List<Role> list = null; try { String sql = "from Role r where r.active = true"; Query query = HibernateUtil.getSession().createQuery(sql); list = query.list(); closeSession(); } catch (HibernateException e) { handleException(e, "getAllActiveRoles"); } return list; } @SuppressWarnings("unchecked") public List<Role> getPageOfRoles(int startingRecNo) throws LIMSRuntimeException { List<Role> list = null; try { // calculate maxRow to be one more than the page size int endingRecNo = startingRecNo + (SystemConfiguration.getInstance().getDefaultPageSize() + 1); String sql = "from Role r order by r.id"; 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) { LogEvent.logError("RolesDAOImpl", "getPageOfRoles()", e.toString()); throw new LIMSRuntimeException("Error in Role getPageOfRoles()", e); } return list; } public Role readRole(String idString) { Role recoveredRole = null; try { recoveredRole = (Role) HibernateUtil.getSession().get(Role.class, idString); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { LogEvent.logError("RoleDAOImpl", "readRole()", e.toString()); throw new LIMSRuntimeException("Error in Role readRole()", e); } return recoveredRole; } @SuppressWarnings("rawtypes") public List getNextRoleRecord(String id) throws LIMSRuntimeException { return getNextRecord(id, "Role", Role.class); } @SuppressWarnings("rawtypes") public List getPreviousRoleRecord(String id) throws LIMSRuntimeException { return getPreviousRecord(id, "Role", Role.class); } @SuppressWarnings("unchecked") public List<Role> getReferencingRoles(Role role) throws LIMSRuntimeException { if (GenericValidator.isBlankOrNull(role.getId())) { return new ArrayList<Role>(); } List<Role> list = null; try { String sql = "from Role where grouping_parent = :parent"; org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql); query.setInteger("parent", Integer.parseInt(role.getId())); list = query.list(); HibernateUtil.getSession().flush(); HibernateUtil.getSession().clear(); } catch (Exception e) { LogEvent.logError("RolesDAOImpl", "getReferencingRoles()", e.toString()); throw new LIMSRuntimeException("Error in Role getReferencingRoles()", e); } return list; } public Role getRoleByName(String name) throws LIMSRuntimeException { String sql = "from Role r where trim(r.name) = :name"; try { Query query = HibernateUtil.getSession().createQuery(sql); query.setString("name", name); Role role = (Role) query.setMaxResults(1).uniqueResult(); closeSession(); return role; } catch (HibernateException e) { handleException(e, "getRoleByName"); } return null; } @Override public Role getRoleById(String roleId) throws LIMSRuntimeException { String sql = "from Role r where r.id = :id"; try { Query query = HibernateUtil.getSession().createQuery(sql); query.setInteger("id", Integer.parseInt(roleId)); Role role = (Role) query.uniqueResult(); closeSession(); return role; } catch (HibernateException e) { handleException(e, "getRoleById"); } return null; } }