1 files changed, 39 insertions, 0 deletions

diff --git a/src/uk/ac/ox/cs/pagoda/summary/NodeTuple.java b/src/uk/ac/ox/cs/pagoda/summary/NodeTuple.java
new file mode 100644
index 0000000..bf8d55a
--- /dev/null
+++ b/src/uk/ac/ox/cs/pagoda/summary/NodeTuple.java
@@ -0,0 +1,39 @@
+package uk.ac.ox.cs.pagoda.summary;
+
+import java.util.Collection;
+import java.util.LinkedList;
+
+import uk.ac.ox.cs.pagoda.query.AnswerTuple;
+
+public class NodeTuple {
+
+        AnswerTuple m_tuple; 
+        Collection<Node> nodes = new LinkedList<Node>(); 
+
+        public NodeTuple(AnswerTuple tuple) {
+                m_tuple = tuple;
+        }
+        
+        void addNode(Node node) {
+                nodes.add(node); 
+        }
+
+        public Collection<Node> getNodes() {
+                return nodes;
+        }
+        
+        public AnswerTuple getAnswerTuple() {
+                return m_tuple; 
+        }
+        
+        
+        public String toString() {
+                StringBuilder sb = new StringBuilder("(");
+                for (Node node: nodes) {
+                        if (sb.length() > 1) sb.append(", "); 
+                        sb.append(node.toString());
+                }
+                sb.append(")"); 
+                return sb.toString();
+        }
+}