def METHOD_NAME(self, ps_uuid, e_uuid):
    """
    @param ps_uuid: the package server uuid
    @type ps_uuid: str
    @param e_uuid: the entity uuid
    @type e_uuid: str
    @returns: the PackageServerEntity that correspond to the given ps_uuid and e_uuid
    @rtype: the PackageServerEntity object
    """
    session = create_session()
    pse = PackageServerEntity()
    pse.package_server_uuid = ps_uuid
    pse.entity_uuid = e_uuid
    session.add(pse)
    session.flush()
    session.close()
    return pse