1 files changed, 23 insertions, 0 deletions

diff --git a/src/uk/ac/ox/cs/pagoda/query/AnswerTuples.java b/src/uk/ac/ox/cs/pagoda/query/AnswerTuples.java
new file mode 100644
index 0000000..e1e5302
--- /dev/null
+++ b/src/uk/ac/ox/cs/pagoda/query/AnswerTuples.java
@@ -0,0 +1,23 @@
+package uk.ac.ox.cs.pagoda.query;
+
+public interface AnswerTuples {
+        
+        public void reset(); 
+        
+        public boolean isValid();
+        
+        public int getArity();  
+        
+        public String[] getAnswerVariables(); 
+        
+        public void moveNext(); 
+        
+        public void dispose(); 
+        
+        public AnswerTuple getTuple(); 
+        
+        public boolean contains(AnswerTuple t);
+        
+        public void remove(); 
+
+}