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package br.com.jhonsapp.finaluser.persistence;

import java.util.List;

import javax.ejb.Local;

import br.com.jhonsapp.bootstrap.object.persistence.generic.GenericDAO;
import br.com.jhonsapp.finaluser.domain.RoleGroup;

/**
 * EJB service that defines the RoleGroup data access object. This service was
 * designed to be used in login implementations.
 * 
 * @see RoleGroup
 * 
 * @author Jhonathan Camacho
 *
 */
@Local
public interface RoleGroupDAO extends GenericDAO {

	/**
	 * Find all persisted rolegroup.
	 * 
	 * @return a list with all rolegroups persisted in the database.
	 */
	public List findAll();

	/**
	 * Find a persisted rolegroup by it's name.
	 * 
	 * @param name
	 *            the name of the rolegroup.
	 * @return the rolegroup that have the name passed by parameter or null
	 *         otherwise.
	 */
	public T findByName(String name);

}