com.mycompany.methotels.services.GenericDaoImpl.java Source code

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Here is the source code for com.mycompany.methotels.services.GenericDaoImpl.java

Source

package com.mycompany.methotels.services;

import com.mycompany.methotels.entities.AbstractEntity;
import com.mycompany.methotels.entities.Drzava;
import java.util.Collections;
import java.util.List;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;

/*
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/**
 *
 * @author Nikola Kuburovic 1095
 * @param <T>
 */
public class GenericDaoImpl<T extends AbstractEntity> implements GenericDao<T> {

    @Inject
    private Session hibernate;

    private Class cls;

    public GenericDaoImpl() {
        cls = Drzava.class;
    }

    @Override
    public AbstractEntity merge(AbstractEntity obj) {
        return (T) hibernate.merge(obj);
    }

    @Override
    public T delete(Integer idOfObj, Class klasa) {
        AbstractEntity tmpEntity = (AbstractEntity) hibernate.createCriteria(klasa)
                .add(Restrictions.eq("id", idOfObj)).list().get(0);
        hibernate.delete((T) tmpEntity);
        hibernate.flush();
        return (T) tmpEntity;
    }

    @Override
    public T getElementById(Integer id, Class klasa) {
        AbstractEntity tmpEntity = (AbstractEntity) hibernate.createCriteria(klasa).add(Restrictions.eq("id", id))
                .list().get(0);
        return (T) tmpEntity;
    }

    @Override
    public List<T> loadAllActive(Class klasa) {
        List<T> lista = hibernate.createCriteria(klasa).setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY).list();
        Collections.sort(lista);
        return lista;
    }

    @Override
    public List<T> getElementsByNames(String ime) {
        return hibernate.createCriteria(cls).add(Restrictions.ilike("ime", ime + "%")).list();

    }

    @Override
    public int allActiveSize() {
        Long l = (Long) hibernate.createCriteria(cls).setProjection(Projections.rowCount()).uniqueResult();
        return l.intValue();

    }

    @Override
    public List<T> loadActiveFromTo(int from) {
        int page = (from - 1) * 10;
        List<T> lista = hibernate.createCriteria(cls).setFirstResult(page).setMaxResults(10)
                .addOrder(Order.asc("id")).setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY).list();
        return lista;

    }
}