def appendGraph(self, graph_name, graph):
self._graphDict[graph_name] = graph<EOL>self._graphNames.append(graph_name)<EOL>if not self.isMultigraph  and len(self._graphNames) > <NUM_LIT:1>:<EOL><INDENT>raise AttributeError("<STR_LIT>")<EOL><DEDENT>
Utility method to associate Graph Object to Plugin.

        This utility method is for use in constructor of child classes for
        associating a MuninGraph instances to the plugin.

        @param graph_name:  Graph Name
        @param graph:       MuninGraph Instance