Write this object to the given output protocol and return self.

        :type oprot: thryft.protocol._output_protocol._OutputProtocol
        :rtype: pastpy.gen.database.impl.online.online_database_configuration.OnlineDatabaseConfiguration

def write(self, oprot):
        '''
        Write this object to the given output protocol and return self.

        :type oprot: thryft.protocol._output_protocol._OutputProtocol
        :rtype: pastpy.gen.database.impl.online.online_database_configuration.OnlineDatabaseConfiguration
        '''

        oprot.write_struct_begin('OnlineDatabaseConfiguration')

        oprot.write_field_begin(name='collection_name', type=11, id=None)
        oprot.write_string(self.collection_name)
        oprot.write_field_end()

        if self.download_dir_path is not None:
            oprot.write_field_begin(name='download_dir_path', type=11, id=None)
            oprot.write_string(self.download_dir_path)
            oprot.write_field_end()

        oprot.write_field_stop()

        oprot.write_struct_end()

        return self