1 files changed, 62 insertions, 0 deletions
diff --git a/contrib/moses2/AlignmentInfoCollection.cpp b/contrib/moses2/AlignmentInfoCollection.cpp
new file mode 100644
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+++ b/contrib/moses2/AlignmentInfoCollection.cpp
@@ -0,0 +1,62 @@
+/***********************************************************************
+ Moses - statistical machine translation system
+ Copyright (C) 2006-2011 University of Edinburgh
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+***********************************************************************/
+
+#include "AlignmentInfoCollection.h"
+
+using namespace std;
+
+namespace Moses2
+{
+
+AlignmentInfoCollection AlignmentInfoCollection::s_instance;
+
+AlignmentInfoCollection::AlignmentInfoCollection()
+{
+  std::set<std::pair<size_t,size_t> > pairs;
+  m_emptyAlignmentInfo = Add(pairs);
+}
+
+AlignmentInfoCollection::~AlignmentInfoCollection()
+{}
+
+const AlignmentInfo &AlignmentInfoCollection::GetEmptyAlignmentInfo() const
+{
+  return *m_emptyAlignmentInfo;
+}
+
+AlignmentInfo const *
+AlignmentInfoCollection::
+Add(AlignmentInfo const& ainfo)
+{
+#ifdef WITH_THREADS
+  {
+    boost::shared_lock<boost::shared_mutex> read_lock(m_accessLock);
+    AlignmentInfoSet::const_iterator i = m_collection.find(ainfo);
+    if (i != m_collection.end())
+      return &*i;
+  }
+  boost::unique_lock<boost::shared_mutex> lock(m_accessLock);
+#endif
+  std::pair<AlignmentInfoSet::iterator, bool> ret = m_collection.insert(ainfo);
+  return &(*ret.first);
+}
+
+
+
+}