/*
* eGov suite of products aim to improve the internal efficiency,transparency,
* accountability and the service delivery of the government organizations.
*
* Copyright (C) <2015> 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.
*
* 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.pims.commons.service;
import org.egov.eis.entity.Assignment;
import org.egov.infstr.services.PersistenceService;
import org.egov.pims.commons.Position;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.hibernate.criterion.Subqueries;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import java.util.Date;
public class PositionService extends PersistenceService<Position, Integer> {
@PersistenceContext
private EntityManager entityManager;
public PositionService() {
super(Position.class);
}
public PositionService(Class<Position> type) {
super(type);
}
public Session getCurrentSession() {
return entityManager.unwrap(Session.class);
}
/**
* gives vacant positions for given date range and designation
* @param fromDate
* @param toDate
* @param designationMasterId
* @return
*/
public Criteria getVacantPositionCriteria(Date fromDate,Date toDate,Integer designationMasterId)
{
DetachedCriteria detachAssignmentPrd=DetachedCriteria.forClass(Assignment.class, "assignment");
detachAssignmentPrd.add(Restrictions.and(Restrictions.le("assignment.fromDate", fromDate),
Restrictions.or(Restrictions.ge("assignment.toDate", toDate), Restrictions.isNull("assignment.toDate")))).
setProjection(Projections.property("assignment.id"));
DetachedCriteria detachAssignment=DetachedCriteria.forClass(Assignment.class, "assignment");
detachAssignment.add(Subqueries.propertyIn("assignment.id", detachAssignmentPrd));
detachAssignment.add(Restrictions.eq("assignment.isPrimary", 'Y'));
detachAssignment.setProjection(Projections.distinct(Projections.property("assignment.position.id")));
Criteria criteria=getCurrentSession().createCriteria(Position.class, "position");
if(designationMasterId!=null && !designationMasterId.equals("0"))
{
criteria.add(Restrictions.eq("position.deptDesig.designation.id", designationMasterId));
}
criteria.add(Subqueries.propertyNotIn("position.id", detachAssignment));
criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
criteria.addOrder(Order.asc("position.name"));
return criteria;
}
}