Java tutorial
/* * eGov SmartCity eGovernance suite aims to improve the internal efficiency,transparency, * accountability and the service delivery of the government organizations. * * Copyright (C) 2017 eGovernments Foundation * * The updated version of eGov suite of products as by eGovernments Foundation * is available at http://www.egovernments.org * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/ or * http://www.gnu.org/licenses/gpl.html . * * In addition to the terms of the GPL license to be adhered to in using this * program, the following additional terms are to be complied with: * * 1) All versions of this program, verbatim or modified must carry this * Legal Notice. * Further, all user interfaces, including but not limited to citizen facing interfaces, * Urban Local Bodies interfaces, dashboards, mobile applications, of the program and any * derived works should carry eGovernments Foundation logo on the top right corner. * * For the logo, please refer http://egovernments.org/html/logo/egov_logo.png. * For any further queries on attribution, including queries on brand guidelines, * please contact contact@egovernments.org * * 2) Any misrepresentation of the origin of the material is prohibited. It * is required that all modified versions of this material be marked in * reasonable ways as different from the original version. * * 3) This license does not grant any rights to any user of the program * with regards to rights under trademark law for use of the trade names * or trademarks of eGovernments Foundation. * * In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org. * */ package org.egov.ptis.domain.dao.property; import org.egov.ptis.domain.entity.property.PropertyUsage; import org.hibernate.Criteria; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate.criterion.Order; import org.springframework.stereotype.Repository; import org.springframework.transaction.annotation.Transactional; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import java.util.Date; import java.util.List; @Repository(value = "propertyUsageDAO") @Transactional(readOnly = true) public class PropertyUsageHibernateDAO implements PropertyUsageDAO { @PersistenceContext private EntityManager entityManager; private Session getCurrentSession() { return entityManager.unwrap(Session.class); } /** * To get Property Usage by Usage Code * * @param usageCode * @param fromDate * @return PropertyUsage * */ @Override public PropertyUsage getPropertyUsage(String usageCode) { Query qry = getCurrentSession().createQuery( "from PropertyUsage PU where PU.usageCode = :usageCode AND PU.usageCode IS NOT NULL AND (" + "(PU.toDate IS NULL AND PU.fromDate <= :currDate) " + "OR " + "(PU.fromDate <= :currDate AND PU.toDate >= :currDate)) "); qry.setString("usageCode", usageCode); qry.setDate("currDate", new Date()); return (PropertyUsage) qry.uniqueResult(); } /** * To get Property Usage by Usage Code and From Date given * * @param usageCode * @param fromDate * @return PropertyUsage * */ @Override public PropertyUsage getPropertyUsage(String usageCode, Date fromDate) { Query qry = getCurrentSession().createQuery( "from PropertyUsage PU where PU.usageCode = :usageCode AND PU.usageCode IS NOT NULL AND (" + "(PU.toDate IS NULL AND PU.fromDate <= :fromDate) " + "OR " + "(PU.fromDate <= :fromDate AND PU.toDate >= :fromDate)) "); qry.setString("usageCode", usageCode); qry.setDate("fromDate", fromDate); return (PropertyUsage) qry.uniqueResult(); } /** * To get All active Property Usages * * @return List of PropertyUsages * */ @Override public List<PropertyUsage> getAllActivePropertyUsage() { Query qry = getCurrentSession().createQuery("from PropertyUsage PU where PU.isEnabled = " + 1); return qry.list(); } /** * To get All Property Usages * * @return List of PropertyUsages * */ @Override public List<PropertyUsage> getAllPropertyUsage() { Query qry = getCurrentSession() .createQuery("from PropertyUsage PU where (" + "(PU.toDate IS NULL AND PU.fromDate <= :currDate) " + "OR " + "(PU.fromDate <= :currDate AND PU.toDate >= :currDate))"); qry.setDate("currDate", new Date()); return qry.list(); } @Override public List getPropUsageAscOrder() { Criteria criteria = getCurrentSession().createCriteria(PropertyUsage.class).addOrder(Order.asc("id")); return criteria.list(); } @Override public PropertyUsage findById(Long id, boolean lock) { return (PropertyUsage) getCurrentSession().createQuery("from PropertyUsage where id = ?") .setParameter(0, id).uniqueResult(); } @Override public PropertyUsage create(PropertyUsage propertyUsage) { getCurrentSession().save(propertyUsage); getCurrentSession().flush(); return propertyUsage; } @Override public void delete(PropertyUsage propertyUsage) { getCurrentSession().delete(propertyUsage); } @Override public List<PropertyUsage> findAll() { return getCurrentSession().createQuery("From PropertyUsage order by usageName").list(); } }