X-Git-Url: http://jaekl.net/gitweb/?p=cfb.git;a=blobdiff_plain;f=prod%2Fnet%2Fjaekl%2Fcfb%2Fanalyze%2FDelta.java;h=865b5fce57fdbf7c9b21807616f4132ffd226752;hp=e2853e0b445cd6294f2c9667f9fb94d0630681f4;hb=1b35159cf2ff8d86b037f7d442f7b1f4c8e3b2f3;hpb=358d80a86ac7c79cd57b81a4f1708da80db2f0ec

diff --git a/prod/net/jaekl/cfb/analyze/Delta.java b/prod/net/jaekl/cfb/analyze/Delta.java
index e2853e0..865b5fc 100644
--- a/prod/net/jaekl/cfb/analyze/Delta.java
+++ b/prod/net/jaekl/cfb/analyze/Delta.java
@@ -1,18 +1,26 @@
 package net.jaekl.cfb.analyze;
 
+import java.io.PrintWriter;
 import java.util.HashSet;
 
+import net.jaekl.cfb.store.Run;
 import net.jaekl.cfb.xml.BugInstance;
 
 // Compute and store the delta (difference) between two analyses
 
 public class Delta {
+	Run                  m_earlier;
+	Run                  m_later;
+	
 	HashSet<BugInstance> m_fixed;		// bugs that have been fixed
 	HashSet<BugInstance> m_common;	// bugs that are present in both versions
 	HashSet<BugInstance> m_new;		// bugs introduced in the new version
 	
 	public Delta(Analysis before, Analysis after)
 	{
+		m_earlier = new Run(before);
+		m_later = new Run(after);
+		
 		m_fixed = new HashSet<BugInstance>();
 		m_common = new HashSet<BugInstance>();
 		m_new = new HashSet<BugInstance>();
@@ -29,6 +37,32 @@ public class Delta {
 	public BugInstance[] getNew() { return m_new.toArray(new BugInstance[m_new.size()]); }
 	public int getNumNew() { return m_new.size(); }
 	
+	public Run getEarlier() { return m_earlier; } 
+	public Run getLater() { return m_later; }
+	
+	public void dump(PrintWriter pw) {
+		pw.println("=========================");
+		pw.println("  NEW BUGS (" + m_new.size() + ")");
+		pw.println("-------------------------");
+		for (BugInstance bug : m_new) {
+			bug.dump(pw, 2);
+		}
+		
+		pw.println("=========================");
+		pw.println("  FIXED BUGS (" + m_fixed.size() + ")");
+		pw.println("-------------------------");
+		for (BugInstance bug : m_fixed) {
+			bug.dump(pw, 2);
+		}
+		
+		pw.println("=========================");
+		pw.println("  OLD BUGS (" + m_common.size() + ")");
+		pw.println("-------------------------");
+		for (BugInstance bug : m_common) {
+			bug.dump(pw, 2);
+		}
+	}
+	
 	void computeDelta(Analysis before, Analysis after)
 	{
 		m_fixed.clear();
@@ -37,7 +71,9 @@ public class Delta {
 		
 		HashSet<BugInstance> beforeBugs = new HashSet<BugInstance>();
 		
-		beforeBugs.addAll(before.getBugCollection().getBugs());
+		if (null != before) {
+			beforeBugs.addAll(before.getBugCollection().getBugs());
+		}
 		
 		for (BugInstance bug : after.getBugCollection().getBugs()) {
 			if (beforeBugs.contains(bug)) {
@@ -48,6 +84,10 @@ public class Delta {
 			}
 		}
 		
+		if (null == before) {
+			return;
+		}
+		
 		for (BugInstance bug : before.getBugCollection().getBugs()) {
 			if (! m_common.contains(bug)) {
 				m_fixed.add(bug);