org.openmrs.module.patientaccesscontrol.api.db.hibernate.HibernateRolePatientDAO.java Source code

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Here is the source code for org.openmrs.module.patientaccesscontrol.api.db.hibernate.HibernateRolePatientDAO.java

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/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * 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.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */
package org.openmrs.module.patientaccesscontrol.api.db.hibernate;

import java.util.List;
import java.util.Set;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.SessionFactory;
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 org.openmrs.Patient;
import org.openmrs.Role;
import org.openmrs.api.db.DAOException;
import org.openmrs.module.patientaccesscontrol.RolePatient;
import org.openmrs.module.patientaccesscontrol.api.db.RolePatientDAO;

/**
 * It is a default implementation of {@link RolePatientDAO}.
 */
public class HibernateRolePatientDAO implements RolePatientDAO {

    protected static final Log log = LogFactory.getLog(HibernateRolePatientDAO.class);

    private SessionFactory sessionFactory;

    /**
     * @param sessionFactory the sessionFactory to set
     */
    public void setSessionFactory(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }

    /**
     * @return the sessionFactory
     */
    public SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    /**
     * Returns the patient access control object originally passed in, which will have been
     * persisted.
     * 
     * @see org.openmrs.module.patientaccesscontrol.api.RolePatientService#createProgram(org.openmrs.module.patientaccesscontrol.RolePatient)
     */
    @Override
    public RolePatient saveRolePatient(RolePatient rolePatient) throws DAOException {
        sessionFactory.getCurrentSession().saveOrUpdate(rolePatient);
        return rolePatient;
    }

    /**
     * @see org.openmrs.module.patientaccesscontrol.api.RolePatientService#getRolePatient(java.lang.Integer)
     */
    @Override
    public RolePatient getRolePatient(Integer rolePatientId) throws DAOException {
        return (RolePatient) sessionFactory.getCurrentSession().get(RolePatient.class, rolePatientId);
    }

    /**
     * @see org.openmrs.api.ProgramService#getRolePatients()
     */
    @Override
    @SuppressWarnings("unchecked")
    public List<RolePatient> getAllRolePatients() throws DAOException {
        return sessionFactory.getCurrentSession().createCriteria(RolePatient.class)
                .createAlias("patient", "patient").createAlias("role", "role")
                .addOrder(Order.asc("patient.programId")).addOrder(Order.asc("role.role")).list();
    }

    /**
     * @see org.openmrs.module.patientaccesscontrol.api.RolePatientService#getRoles(Patient)
     */
    @Override
    @SuppressWarnings("unchecked")
    public List<Role> getRoles(Patient patient) throws DAOException {
        return sessionFactory.getCurrentSession().createCriteria(RolePatient.class)
                .add(Restrictions.eq("patient", patient))
                .setProjection(Projections.distinct(Projections.property("role"))).list();
    }

    /**
     * @see org.openmrs.module.patientaccesscontrol.api.RolePatientService#getRolePatient(Role,
     *      Patient)
     */
    @Override
    public RolePatient getRolePatient(Role role, Patient patient) throws DAOException {
        return (RolePatient) sessionFactory.getCurrentSession().createCriteria(RolePatient.class)
                .add(Restrictions.eq("patient", patient)).add(Restrictions.eq("role", role)).uniqueResult();
    }

    /**
     * @see org.openmrs.module.patientaccesscontrol.api.RolePatientService#deleteRolePatients(Patient)
     */
    @Override
    public void deleteRolePatients(Patient patient) throws DAOException {
        sessionFactory.getCurrentSession().createQuery("delete from RolePatient where patient = :patient")
                .setParameter("patient", patient).executeUpdate();
    }

    /**
     * @see org.openmrs.module.patientaccesscontrol.api.RolePatientService#deleteRolePatient(Role,Patient)
     */
    @Override
    public void deleteRolePatient(Role role, Patient patient) throws DAOException {
        sessionFactory.getCurrentSession()
                .createQuery("delete from RolePatient where patient = :patient and role = :role")
                .setParameter("patient", patient).setParameter("role", role).executeUpdate();
    }

    /**
     * @see org.openmrs.module.patientaccesscontrol.api.RolePatientService#deleteRolePatients(Role)
     */
    @Override
    public void deleteRolePatients(Role role) throws DAOException {
        sessionFactory.getCurrentSession().createQuery("delete from RolePatient where role = :role")
                .setParameter("role", role).executeUpdate();
    }

    /**
     * @see 
     *      org.openmrs.module.patientaccesscontrol.api.RolePatientService#getExcludedPatients(Set<Role
     *      >)
     */
    @SuppressWarnings("unchecked")
    @Override
    public List<Integer> getExcludedPatients(Set<Role> roles) {
        DetachedCriteria subquery = DetachedCriteria.forClass(RolePatient.class).add(Restrictions.in("role", roles))
                .setProjection(Projections.distinct(Projections.property("patient")));

        return sessionFactory.getCurrentSession().createCriteria(RolePatient.class)
                .add(Subqueries.propertyNotIn("patient", subquery)).createAlias("patient", "p")
                .setProjection(Projections.distinct(Projections.property("p.patientId"))).list();
    }

    /**
     * @see 
     *      org.openmrs.module.patientaccesscontrol.api.RolePatientService#getExcludedPatients(Set<Role
     *      >)
     */
    @SuppressWarnings("unchecked")
    @Override
    public List<Integer> getExplicitlyIncludedPatients(Set<Role> roles) {
        return sessionFactory.getCurrentSession().createCriteria(RolePatient.class)
                .add(Restrictions.in("role", roles)).createAlias("patient", "p")
                .setProjection(Projections.distinct(Projections.property("p.patientId"))).list();
    }
}