1 files changed, 0 insertions, 89 deletions

diff --git a/src/uk/ac/ox/cs/pagoda/query/AnswerTuplesImp.java b/src/uk/ac/ox/cs/pagoda/query/AnswerTuplesImp.java
deleted file mode 100644
index fd3fb1f..0000000
--- a/src/uk/ac/ox/cs/pagoda/query/AnswerTuplesImp.java
+++ /dev/null
@@ -1,89 +0,0 @@
-package uk.ac.ox.cs.pagoda.query;
-
-import java.util.Iterator;
-import java.util.Set;
-
-public class AnswerTuplesImp extends AnswerTuples {
-
-        int m_index; 
-        Iterator<AnswerTuple> m_iter;
-        Set<AnswerTuple> m_answers1, m_answers2; 
-        String[] m_answerVars; 
-        AnswerTuple m_tuple; 
-
-        public AnswerTuplesImp(String[] answerVars, Set<AnswerTuple> answers) {
-                m_answers1 = answers;
-                m_answers2 = null; 
-                m_answerVars = answerVars; 
-                reset(); 
-        }
-        
-        public AnswerTuplesImp(String[] answerVars, Set<AnswerTuple> answers1, Set<AnswerTuple> answers2) {
-                m_answers1 = answers1; 
-                m_answers2 = answers2; 
-                m_answerVars = answerVars; 
-                reset(); 
-        }
-        
-        @Override
-        public boolean isValid() {
-                return m_tuple != null; 
-        }
-
-        @Override
-        public int getArity() {
-                return m_answerVars.length;
-        }
-
-        @Override
-        public void moveNext() {
-                if (m_iter != null && m_iter.hasNext()) {
-                        m_tuple = m_iter.next();
-                        return ; 
-                }
-                else if (m_answers2 != null && m_index == 1){
-                        ++m_index; 
-                        m_iter = m_answers2.iterator(); 
-                        if (m_iter.hasNext()) {
-                                m_tuple = m_iter.next();
-                                return ; 
-                        }
-                }
-                else
-                        m_tuple = null; 
-        }
-
-        @Override
-        public void reset() {
-                if (m_answers1 == null || m_answers1.isEmpty()) {
-                        m_index = 2;
-                        m_iter = m_answers2 == null ? null : m_answers2.iterator();
-                }
-                else {
-                        m_index = 1; 
-                        m_iter =  m_answers1.iterator();
-                }               
-                moveNext();
-        }
-
-        @Override
-        public boolean contains(AnswerTuple t) {
-                return m_answers1.contains(t) || (m_answers2 != null && m_answers2.contains(t));
-        }
-
-        @Override
-        public AnswerTuple getTuple() {
-                return m_tuple; 
-        }
-
-        @Override
-        public String[] getAnswerVariables() {
-                return m_answerVars;
-        }
-
-        @Override
-        public void remove() {
-                m_iter.remove();
-        }
-
-}