AccessRightFacade.java

package fi.insomnia.bortal.facade;

import fi.insomnia.bortal.enums.Permission;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.TypedQuery;

import sun.reflect.generics.reflectiveObjects.NotImplementedException;

import fi.insomnia.bortal.model.AccessRight;
import fi.insomnia.bortal.model.LanEvent;
import fi.insomnia.bortal.model.Role;

@Stateless
@LocalBean
public class AccessRightFacade extends IntegerPkGenericFacade<AccessRight> {

    @PersistenceContext
    private EntityManager em;

    public AccessRightFacade() {
        super(AccessRight.class);
    }

    protected EntityManager getEm() {
        return em;
    }

    /*
     * public AccessRight findOrCreateByName(String target) {
     * 
     * // Fetch access right by name TypedQuery<AccessRight> q =
     * em.createQuery("SELECT a FROM AccessRight a WHERE a.name = :name",
     * AccessRight.class); q.setParameter("name", target); AccessRight right =
     * null; right = this.getSingleNullableResult(q);
     * 
     * // Might not exist yet -> create if (right == null) { right = new
     * AccessRight(); right.setName(target); em.persist(right); }
     * 
     * return right; }
     */

    public AccessRight findByPermission(Permission target) {

        // Fetch access right by name
        TypedQuery<AccessRight> q = em.createNamedQuery("AccessRight.findByName", AccessRight.class);
        q.setParameter("name", target.name());
        AccessRight right = null;
        right = this.getSingleNullableResult(q);
        if (right == null) {
            right = new AccessRight(target.name());
            right.setDescription(target.getDescription());
            create(right);
        }

        return right;
    }

    public void find(LanEvent e, Role r) {
        throw new NotImplementedException();
    }
}