Get a resource from a builder name.

    :param type schemacls: waited schema class.
    :param str name: builder name to use.
    :return: resource returned by the right builder.getresource(schema).

def getresource(self, schemacls, name):
    """Get a resource from a builder name.

    :param type schemacls: waited schema class.
    :param str name: builder name to use.
    :return: resource returned by the right builder.getresource(schema).
    """
    return _SCHEMAFACTORY.getresource(schemacls=schemacls, name=name)