Question

Estoy tratando de hacer un crud en Strud2 con hibernate y no consigo combinar dos tablas . Me puede ayudar

La 1 Tabla es Trama

@Entity
@Table(name="trama", catalog="bd_1")

public class Trama  implements java.io.Serializable {

     private int traNoca;         //Int
     private int catNoca;       //Enlace con categoria
     private String tradat;       //Dato sin importancia

    public Trama() {}

    public Trama(int traNoca, int catNoca, String tradat) 
    {this.traNoca = traNoca;  this.catNoca = catNoca;  this.tradat = tradat;  }

     @Id     
    @Column(name="tra_noca", nullable=false)
     public int getTraNoca() {return this.traNoca;} ES
    public void setTraNoca(int traNoca) {this.traNoca = traNoca; }

    @Column(name="cat_noca", nullable=false)
    public int getCatNoca() {return this.catNoca;} 
    public void setCatNoca(int catNoca) {this.catNoca = catNoca;}

    @Column(name="tra_dat", nullable=false, length=45)
    public String getTradat() {return this.tradat;}
    public void setTradat(String tradat) { this.tradat = tradat;  }

}

Este es Su mapeado

<hibernate-mapping>
    <class name="entidad.Trama" table="trama" catalog="bd_1">
        <id name="TraNoca" type="int">
            <column name="tra_noca">
           <generator class="assigned"></generator>
        </id>
        <property name="CatNoca" type="int">
            <column name="cat_noca">
         </property>  
        <property name="Tradat" type="string">
            <column name="cat_dat" length="50">
        </property>
    </class>
</hibernate-mapping>

La 2 Tabla es Categoria que es la principal

package entidad;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;

@Entity
@Table(name = "trama", catalog = "bd_1"   )

public class Categoria  implements java.io.Serializable {

     private int catNoca;
     private String catNom;

    public Categoria() {}

    public Categoria(int catNoca, String catNom) 
    {this.catNoca = catNoca;   this.catNom = catNom;}

     @Id     
     @Column(name="cat_noca", nullable=false)
    public int getCatNoca() {return this.catNoca;} 
    public void setCatNoca(int catNoca) {this.catNoca = catNoca;}

    @Column(name="cat_nom", nullable=false, length=45)
    public String getCatNom() {return this.catNom;}
    public void setCatNom(String catNom) { this.catNom = catNom; }    
}

Este es el Mapeado

<hibernate-mapping>
    <class name="entidad.Categoria" table="categoria" catalog="bd_1">
        <id name="CatNoca" type="int">
            <column name="cat_noca">
           <generator class="assigned"></generator>
        </id>     
        <property name="CatNom" type="string">
            <column name="cat_nom" length="50">
        </property>
    </class>
</hibernate-mapping>

Y este es Strut2 que manda la orden

public  void detalle2(String noca,T entity) {

Session session = HibernateUtil.getSessionFactory().openSession();
Transaction beginTransaction = session.beginTransaction();
session.createSQLQuery("select c.CatNoca, c.CatNom, t.CatNoca, t.TraNoca, t.CatNom, t.tradat  from Trama t INNER JOIN Categoria c ON t.CatNoca="+entity);   
beginTransaction.commit();
session.close();
}

La entidad me lo manda

package acciones;

import static com.opensymphony.xwork2.Action.INPUT;
import static com.opensymphony.xwork2.Action.SUCCESS;
import com.opensymphony.xwork2.ActionSupport;
import entidad.Categoria;
import java.util.List;
import servicio.ServicioCategoria;

public class CategoriaAction extends ActionSupport {

    private ServicioCategoria sc= new ServicioCategoria();
    private List<Categoria> lstCat;
    private Categoria cat; 
    private String m;//NO IMPORTANTE PARA LA DUDA
    private String i;//NO IMPORTANTE PARA LA DUDA
    private Integer noca;

    @Override
    public String input() throws Exception {
        if (getNoca()!=null) {setCat(sc.find(noca));}
        return INPUT;}      

    public String detalle2() throws Exception {
        if (getNoca()!=null) {setCat(sc.find(noca)); } 
       return INPUT;}  

    @Override
    public String execute() throws Exception {return SUCCESS;}
    public String save() {    sc.save(getCat());     return "ok"; }  
    public String remove(){    sc.remove(getNoca());    return "ok";    }
    public String list() throws Exception { lstCat=sc.findAll();  return execute();}
    public String search() throws Exception { lstCat = sc.search(m);return execute();}
    public String indice() throws Exception { lstCat = sc.search(i);return execute();}

    //<editor-fold defaultstate="collapsed" desc="Getter y Setter">  

    public ServicioCategoria getSc() {return sc; }   
    public void setSc(ServicioCategoria sc) {this.sc = sc;}

    public String getM() { return m;}
    public void setM(String m) {   this.m = m; }

    public String getI() { return i; }
    public void setI(String i) { this.i = i;} 

    public Integer getNoca() { return noca; }
    public void setNoca(Integer noca) {this.noca = noca;}

    public Categoria getCat() {return cat;}
    public void setCat(Categoria cat) { this.cat = cat; }

    public List<Categoria> getLstCat() {return lstCat;}
    public void setLstCat(List<Categoria> lstCat) {this.lstCat = lstCat;}

//</editor-fold>
}

Ayudada por

public class ServicioCategoria extends AbstractFacade<Categoria> {

    public ServicioCategoria() {super(Categoria.class);}

    //CATEGORIA

    public List<Categoria> findAll() {return super.findAll();}
    public void save(Categoria cat) {super.createEdit(cat);}
    public void remove(int noca) {
        final Categoria find = super.find(noca);
        if (find!=null){
        super.remove(find);}
    }
    public Categoria find (int noca) {
        return super.find(noca);
    }

    //TRAMA   
}

El JSP SOLO MUESTRA los datos de la tabla categoria
No Consigo unir las tablas estoy desesperado