1 files changed, 79 insertions, 0 deletions
diff --git a/contrib/moses2/FF/LexicalReordering/BidirectionalReorderingState.cpp b/contrib/moses2/FF/LexicalReordering/BidirectionalReorderingState.cpp
new file mode 100644
index 000000000..bc27f2a68
--- /dev/null
+++ b/contrib/moses2/FF/LexicalReordering/BidirectionalReorderingState.cpp
@@ -0,0 +1,79 @@
+/*
+ * BidirectionalReorderingState.cpp
+ *
+ *  Created on: 22 Mar 2016
+ *      Author: hieu
+ */
+#include <boost/functional/hash_fwd.hpp>
+#include "BidirectionalReorderingState.h"
+#include "../../legacy/Util2.h"
+#include "../../PhraseBased/Manager.h"
+
+using namespace std;
+
+namespace Moses2
+{
+
+BidirectionalReorderingState::BidirectionalReorderingState(
+    const LRModel &config, LRState *bw, LRState *fw, size_t offset) :
+    LRState(config, LRModel::Bidirectional, offset), m_backward(bw), m_forward(
+        fw)
+{
+}
+
+BidirectionalReorderingState::~BidirectionalReorderingState()
+{
+  // TODO Auto-generated destructor stub
+}
+
+void BidirectionalReorderingState::Init(const LRState *prev,
+    const TargetPhrase<Moses2::Word> &topt, const InputPathBase &path, bool first,
+    const Bitmap *coverage)
+{
+  if (m_backward) {
+    m_backward->Init(prev, topt, path, first, coverage);
+  }
+  if (m_forward) {
+    m_forward->Init(prev, topt, path, first, coverage);
+  }
+}
+
+std::string BidirectionalReorderingState::ToString() const
+{
+  return "BidirectionalReorderingState " + SPrint(this) + " "
+      + SPrint(m_backward) + " " + SPrint(m_forward);
+}
+
+size_t BidirectionalReorderingState::hash() const
+{
+  size_t ret = m_backward->hash();
+  boost::hash_combine(ret, m_forward->hash());
+
+  return ret;
+}
+
+bool BidirectionalReorderingState::operator==(const FFState& o) const
+{
+  if (&o == this) return 0;
+
+  BidirectionalReorderingState const &other =
+      static_cast<BidirectionalReorderingState const&>(o);
+
+  bool ret = (*m_backward == *other.m_backward)
+      && (*m_forward == *other.m_forward);
+  return ret;
+}
+
+void BidirectionalReorderingState::Expand(const ManagerBase &mgr,
+    const LexicalReordering &ff, const Hypothesis &hypo, size_t phraseTableInd,
+    Scores &scores, FFState &state) const
+{
+  BidirectionalReorderingState &stateCast =
+      static_cast<BidirectionalReorderingState&>(state);
+  m_backward->Expand(mgr, ff, hypo, phraseTableInd, scores,
+      *stateCast.m_backward);
+  m_forward->Expand(mgr, ff, hypo, phraseTableInd, scores,
+      *stateCast.m_forward);
+}
+
+} /* namespace Moses2 */