checkpoint

[sbp.git] / src / edu / berkeley / sbp / util / GraphViz.java

diff --git a/src/edu/berkeley/sbp/util/GraphViz.java b/src/edu/berkeley/sbp/util/GraphViz.java
index a92e298..13899bb 100644 (file)
--- a/src/edu/berkeley/sbp/util/GraphViz.java
+++ b/src/edu/berkeley/sbp/util/GraphViz.java
@@ -38,7 +38,7 @@ public class GraphViz {
         public void edges(PrintWriter pw) {
             if (simple()) return;
             for(Node n : edges)
-                pw.println("    "+name()+" -> " + n.name());
+                pw.println("    "+name()+" -> " + n.name() + " [color="+color+"];\n");
         }
         public int numEdges() { return edges.size(); }
         public boolean simple() {
@@ -63,15 +63,21 @@ public class GraphViz {
             if (directed) pw.print("ordering=out");
             if (simple()) {
                 pw.print(" shape=record ");
-                pw.print(" label=\"{");
+                pw.print(" label=\"");
+                boolean complex = false;
+                for(Node n : edges)
+                    if (n.edges.size()>0)
+                        complex = true;
+                if (!complex) pw.print("{");
                 boolean first = true;
                 for(Node n : edges) {
                     if (!first) pw.print("|");
                     first = false;
-                    pw.print("<"+n.name()+">");
+                    pw.print("<node_"+n.idx+">");
                     pw.print(StringUtil.escapify(n.label,"\\\""));
                 }
-                pw.print("}\"");
+                if (!complex) pw.print("}");
+                pw.print("\"");
             } else {
                 pw.print(" label=\"");
                 pw.print(StringUtil.escapify(label,"\\\""));
@@ -102,7 +108,7 @@ public class GraphViz {
 
     public void dump(PrintWriter pw) {
         IdentityHashMap<Node,Node> done = new IdentityHashMap<Node,Node>();
-        pw.println("digraph G {\n");
+        pw.println("digraph G { rankdir=LR; \n");
         for(Group g : groups.values()) {
             pw.println("  { rank=same;\n");
             for(Node n : groups.keySet())