1 files changed, 65 insertions, 0 deletions

diff --git a/src/uk/ac/ox/cs/pagoda/summary/Node.java b/src/uk/ac/ox/cs/pagoda/summary/Node.java
new file mode 100644
index 0000000..6fca4bb
--- /dev/null
+++ b/src/uk/ac/ox/cs/pagoda/summary/Node.java
@@ -0,0 +1,65 @@
+package uk.ac.ox.cs.pagoda.summary;
+
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.TreeSet;
+
+public class Node {
+
+        String name; 
+        Collection<String> concepts = new TreeSet<String>();
+        private String label; 
+        
+        public Node(String nodeName) {
+                name = nodeName; 
+        }
+        
+        public String getName() { return name; }
+        
+        public void addConcept(String className) {
+                concepts.add(className);
+                label = null; 
+        }
+        
+        public String getLabel() {
+                if (label == null) {
+                        StringBuilder sb = null; 
+                        for (Iterator<String> it = concepts.iterator(); it.hasNext(); ) {
+                                if (sb == null) sb = new StringBuilder(); 
+                                else sb.append("^");
+                                sb.append(it.next());                           
+                        }
+                        label = sb == null ? "" : sb.toString(); 
+                }
+                return label; 
+        }
+        
+        //TODO to be removed (just used for debug) ... 
+        String simplifiedLabel = null;
+        
+        public String toString() {
+                if (simplifiedLabel == null)
+                        simplifiedLabel = getLabel(); 
+                return name  + "@" + simplifiedLabel; 
+        }
+
+        public boolean isSubConceptOf(Node v) {
+                String s, t = ""; 
+                for (Iterator<String> uIter = concepts.iterator(), vIter = v.concepts.iterator(); uIter.hasNext(); ) {
+                        s = uIter.next();
+                        if (!vIter.hasNext()) return false; 
+                        while (vIter.hasNext() && !s.equals(t = vIter.next()));
+                        if (!s.equals(t)) return false; 
+                }
+                return true;
+        }
+
+        public Collection<String> getConcepts() {
+                return concepts; 
+        }
+
+}
+
+
+
+