Checkpointing additions to Cache

src/Synchronizer.cpp

@@ -0,0 +1,40 @@
+
+#include "Synchronizer.h"
+#include <boost/thread/mutex.hpp>
+
+using namespace std;
+
+namespace
+{
+    storagemanager::Synchronizer *instance = NULL;
+    boost::mutex inst_mutex;
+}
+
+
+namespace storagemanager
+{
+
+Synchronizer * Synchronizer::get()
+{
+    if (instance)
+        return instance;
+    boost::unique_lock<boost::mutex> lock(inst_mutex);
+    if (instance)
+        return instance;
+    instance = new Synchronizer();
+    return instance;
+}
+
+Synchronizer::Synchronizer()
+{
+}
+
+Synchronizer::~Synchronizer()
+{
+}
+
+void Synchronizer::flushObject(const string &key)
+{
+}
+
+}