initial version

1 files changed, 70 insertions, 0 deletions

diff --git a/src/uk/ac/ox/cs/pagoda/summary/Edge.java b/src/uk/ac/ox/cs/pagoda/summary/Edge.java
new file mode 100644
index 0000000..79d3041
--- /dev/null
+++ b/src/uk/ac/ox/cs/pagoda/summary/Edge.java
@@ -0,0 +1,70 @@
+package uk.ac.ox.cs.pagoda.summary;
+
+import java.util.Comparator;
+
+public class Edge {
+        
+        Node from, to;
+        String label; 
+        
+        public String getLabel() { return label; }
+        public Node getFromNode() { return from; }
+        public Node getToNode() {return to; }
+        public String getFromNodeName() { return from.name; }
+        public String getToNodeName() { return to.name; }
+        
+        public Edge(Node u, Node v, String stringID) {
+                from = u; 
+                to = v; 
+                label = stringID; 
+        }
+        
+        public String toString() {
+                return label + "(\n\t" + from.name + ",\n\t" + to.name + ")"; 
+        }
+        
+        public static int compareLabels(Edge[] list1, Edge[] list2) {
+                int result = list1.length - list2.length; 
+                if (result != 0) return result; 
+                for (int i = 0; i < list1.length; ++i) {
+                        if ((result = list1[i].label.compareTo(list2[i].label)) != 0)
+                                return result; 
+                }
+                return 0; 
+        }
+        
+        public Node getDestinationNode(boolean isOutGoingEdges) {
+                return isOutGoingEdges ? to : from; 
+        }
+
+}
+
+class EdgeComparatorByNodeName implements Comparator<Edge> {
+
+        @Override
+        public int compare(Edge o1, Edge o2) {
+                int result = o1.label.compareTo(o2.label); 
+                if (result != 0) return result; 
+                result = o1.from.name.compareTo(o2.from.name); 
+                if (result != 0) return result; 
+                return o1.to.name.compareTo(o2.to.name);
+        }
+}
+
+class EdgeComparatorByNodeLabel implements Comparator<Edge> {
+
+        @Override
+        public int compare(Edge o1, Edge o2) {
+                int result = o1.label.compareTo(o2.label); 
+                if (result != 0) return result; 
+                result = o1.from.getLabel().compareTo(o2.from.getLabel()); 
+                if (result != 0) return result; 
+                result = o1.to.getLabel().compareTo(o2.to.getLabel());
+                if (result != 0) return result; 
+                result = o1.from.getName().compareTo(o2.from.getName()); 
+                if (result != 0) return result; 
+                result = o1.to.getName().compareTo(o2.to.getName());
+                return result;  
+        }
+}
+