@utilities.arguments_not_none<EOL><INDENT>def set_provider(self, provider_id):<DEDENT>
if self.get_provider_metadata().is_read_only():<EOL><INDENT>raise errors.NoAccess()<EOL><DEDENT>if not self._is_valid_id(provider_id):<EOL><INDENT>raise errors.InvalidArgument()<EOL><DEDENT>self._my_map['<STR_LIT>'] = str(provider_id)<EOL>
Sets a provider.

        arg:    provider_id (osid.id.Id): the new provider
        raise:  InvalidArgument - ``provider_id`` is invalid
        raise:  NoAccess - ``Metadata.isReadOnly()`` is ``true``
        raise:  NullArgument - ``provider_id`` is ``null``
        *compliance: mandatory -- This method must be implemented.*