dao.PatientGraphDataDao.java Source code

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Here is the source code for dao.PatientGraphDataDao.java

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package dao;

import entities.JoinSelectedCompound;
import entities.PatientGraphData;
import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.SQLQuery;
import org.hibernate.transform.Transformers;

/**
 *
 * @author GladysWang
 */
public class PatientGraphDataDao extends AbstractModel<PatientGraphData> {

    public List<PatientGraphData> getPatientAdmissionYearMonth() {
        List<PatientGraphData> objects = null;
        SQLQuery sqlq = null;

        try {
            tx = session.beginTransaction();
            sqlq = session.createSQLQuery(
                    "SELECT extract(year from registration_date) as year, extract(month from registration_date) as month, \n"
                            + "COUNT(*) as patientNum  FROM patients GROUP BY extract(year from registration_date), extract(month from registration_date) \n"
                            + "ORDER BY Year,MONTH");
            objects = sqlq.setResultTransformer(Transformers.aliasToBean(PatientGraphData.class)).list();
            //            System.out.println(objects.size());
            tx.commit();
        } catch (HibernateException e) {
            tx.rollback();
        }
        return objects;
    }
}