@utilities.arguments_not_none<EOL><INDENT>def set_published_date(self, published_date):<DEDENT>
<EOL>if self.get_published_date_metadata().is_read_only():<EOL><INDENT>raise errors.NoAccess()<EOL><DEDENT>if not self._is_valid_date_time(<EOL>published_date,<EOL>self.get_published_date_metadata()):<EOL><INDENT>raise errors.InvalidArgument()<EOL><DEDENT>self._my_map['<STR_LIT>'] = published_date<EOL>
Sets the published date.

        arg:    published_date (osid.calendaring.DateTime): the new
                published date
        raise:  InvalidArgument - ``published_date`` is invalid
        raise:  NoAccess - ``Metadata.isReadOnly()`` is ``true``
        raise:  NullArgument - ``published_date`` is ``null``
        *compliance: mandatory -- This method must be implemented.*