# File lib/rdf/redland/model.rb, line 78
    def add_statements(statement_stream,context=nil)
      if context
        context = Node.ensure(context)
        raise RedlandError.new("Cannot make a Node from an object of #{context.class}") if not context
        Redland.librdf_model_context_add_statements(self.model,context,statement_stream.stream)
      else
        return Redland.librdf_model_add_statements(self.model,statement_stream.stream)
      end
    end