1 files changed, 4 insertions, 1 deletions

diff --git a/src/uk/ac/ox/cs/pagoda/query/AnswerTuple.java b/src/uk/ac/ox/cs/pagoda/query/AnswerTuple.java
index 7220533..54e4837 100644
--- a/src/uk/ac/ox/cs/pagoda/query/AnswerTuple.java
+++ b/src/uk/ac/ox/cs/pagoda/query/AnswerTuple.java
@@ -50,7 +50,10 @@ public class AnswerTuple {
                 for(int i = 0; i < arity; ++i) m_tuple[i] = sup.m_tuple[i];
         }
 
-        public static AnswerTuple create(AnswerTuple extendedTuple, int length) {
+        /**
+         * It returns the first argument if its arity equals length, a new AnswerTuple otherwise.
+         */
+        public static AnswerTuple getInstance(AnswerTuple extendedTuple, int length) {
                 if(length == extendedTuple.getArity()) return extendedTuple;
                 else return new AnswerTuple(extendedTuple, length);
         }