gv.node(node);
}
for (String i : e.getKey().getSuccessors()) {
P2jLogicalRelationalOperator dst = p2jMap.get(i);
Edge edge = new Edge(node, graphMap.get(dst));
gv.edge(edge);
}
}
for (Entry<String, Graph> sg : subgraphs.entrySet()) {
gv.subGraph(sg.getValue());
}