recetas.backend.model.DAOImagenes.java Source code

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Here is the source code for recetas.backend.model.DAOImagenes.java

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package recetas.backend.model;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Map;
import org.codehaus.jackson.map.ObjectMapper;
import org.hibernate.Criteria;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author rafael
 */
public class DAOImagenes extends DAO {

    public DAOImagenes() {
        this.openBegin();
    }

    @Override
    public String buscar() throws IOException {
        Criteria cricri = this.session.createCriteria(Imagenes.class);
        ObjectMapper mapper = new ObjectMapper();

        ArrayList<Imagenes> imagenes = (ArrayList<Imagenes>) cricri.list();

        Map<String, ArrayList<Imagenes>> map = Collections.singletonMap("imagenes", imagenes);

        this.closeCommit();
        return mapper.writeValueAsString(map);
    }

    @Override
    public String buscar(Integer id) throws IOException {
        Criteria cricri = this.session.createCriteria(Imagenes.class).add(Restrictions.idEq(id));
        ObjectMapper mapper = new ObjectMapper();

        Imagenes imagen = (Imagenes) cricri.uniqueResult();
        Map<String, Imagenes> map = Collections.singletonMap("imagen", imagen);

        this.closeCommit();
        return mapper.writeValueAsString(map);
    }

    @Override
    public String guardar(Object entity) throws IOException {
        ObjectMapper mapper = new ObjectMapper();
        Imagenes i = (Imagenes) entity;
        this.session.save(i);
        Map<String, Imagenes> map = Collections.singletonMap("imagen", i);
        this.closeCommit();
        return mapper.writeValueAsString(map);
    }

    @Override
    public String actualizar(Object entity) throws IOException {
        ObjectMapper mapper = new ObjectMapper();
        Imagenes i = (Imagenes) entity;
        this.session.update(i);
        this.closeCommit();
        return mapper.writeValueAsString(i);
    }

    @Override
    public String borrar(Object entity) throws IOException {
        Imagenes i = (Imagenes) entity;
        this.session.delete(i);
        this.closeCommit();
        return "";
    }

}