dao.DAOToken.java Source code

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Here is the source code for dao.DAOToken.java

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package dao;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import modelo.Token;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 * @author Daniel
 */
@Repository
@Transactional(propagation = Propagation.SUPPORTS, readOnly = true)
public class DAOToken {
    @PersistenceContext
    EntityManager em;

    /**
     * 
     */
    public DAOToken() {

    }

    /**
     * 
     * @param _token
     * @return 
     */
    public Token obtenerToken(String _token) {
        return em.find(Token.class, _token);
    }

    /**
     * 
     * @param _token 
     */
    @Transactional(propagation = Propagation.REQUIRED, readOnly = false, rollbackFor = exceptionsDAO.GuardarTokenException.class)
    public void guardarToken(Token _token) {
        em.persist(_token);
    }

    /**
     * 
     * @param _token 
     */
    @Transactional(propagation = Propagation.REQUIRED, readOnly = false, rollbackFor = exceptionsDAO.BorrarTokenException.class)
    public void borrarToken(Token _token) {
        em.remove(em.merge(_token));
    }
}