From 9ce65c5a963b03ee97fe9cb6c5aa65a3c04a80a8 Mon Sep 17 00:00:00 2001
From: yzhou <yujiao.zhou@gmail.com>
Date: Tue, 21 Apr 2015 10:34:27 +0100
Subject: initial version

---
 src/uk/ac/ox/cs/pagoda/summary/Edge.java | 70 ++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 src/uk/ac/ox/cs/pagoda/summary/Edge.java

(limited to 'src/uk/ac/ox/cs/pagoda/summary/Edge.java')

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;  
+	}
+}
+
-- 
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