clean up states after API change

1 files changed, 15 insertions, 0 deletions

diff --git a/moses/Word.cpp b/moses/Word.cpp
index f55be5ee8..7dfedee4f 100644
--- a/moses/Word.cpp
+++ b/moses/Word.cpp
@@ -63,7 +63,22 @@ int Word::Compare(const Word &targetWord, const Word &sourceWord)
     return (targetFactor<sourceFactor) ? -1 : +1;
   }
   return 0;
+}
+
+bool Word::operator==(const Word &compare) const {
+  if (IsNonTerminal() != compare.IsNonTerminal()) {
+	    return false;
+  }
 
+  for (size_t factorType = 0 ; factorType < MAX_NUM_FACTORS ; factorType++) {
+    const Factor *thisFactor = GetFactor(factorType);
+    const Factor *otherFactor = compare.GetFactor(factorType);
+
+    if (thisFactor != otherFactor) {
+      return false;
+    }
+  }
+  return true;
 }
 
 void Word::Merge(const Word &sourceWord)