it.begear.dao.GenericDaoImpl.java Source code

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Here is the source code for it.begear.dao.GenericDaoImpl.java

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/*
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package it.begear.dao;

import it.begear.hibernate.HibernateUtil;
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;

/**
 *
 * @author Mario
 */
public class GenericDaoImpl<ID extends Serializable> implements GenericDao {

    protected Session getSession() {
        return HibernateUtil.getSession();
    }

    @Override
    public void save(Object object) {
        Session hibernateSession = this.getSession();
        Transaction tx = hibernateSession.beginTransaction();
        hibernateSession.saveOrUpdate(object);
        tx.commit();
    }

    @Override
    public void merge(Object object) {
        Session hibernateSession = this.getSession();
        Transaction tx = hibernateSession.beginTransaction();
        hibernateSession.merge(object);
        tx.commit();
    }

    @Override
    public void delete(Object object) {
        Session hibernateSession = this.getSession();
        Transaction tx = hibernateSession.beginTransaction();
        hibernateSession.delete(object);
        tx.commit();
    }

    @Override
    public List findMany(Query query) {
        List<Object> object;
        object = (List<Object>) query.list();
        return object;
    }

    @Override
    public Object findOne(Query query) {
        Object object;
        object = (Object) query.uniqueResult();
        return object;
    }

    @Override
    public List findAll(Class clazz) {
        Session hibernateSession = this.getSession();
        Transaction tx = hibernateSession.beginTransaction();
        List object;
        Query query = hibernateSession.createQuery("from " + clazz.getName());
        object = query.list();
        tx.commit();
        return object;
    }

    @Override
    public Object findByID(Class clazz, BigDecimal id) {
        Session hibernateSession = this.getSession();
        Transaction tx = hibernateSession.beginTransaction();
        Object object;
        object = (Object) hibernateSession.get(clazz, id);
        tx.commit();
        return object;
    }
}