Improve compilation speed

fairmq/tools/Unique.cxx

@@ -0,0 +1,44 @@
+/********************************************************************************
+ *    Copyright (C) 2017 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             *
+ *              GNU Lesser General Public Licence (LGPL) version 3,             *
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+
+#include <fairmq/tools/Unique.h>
+
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/uuid_generators.hpp>
+#include <boost/uuid/uuid_io.hpp>
+#include <boost/functional/hash.hpp>
+
+using namespace std;
+
+namespace fair
+{
+namespace mq
+{
+namespace tools
+{
+
+// generates UUID string
+string Uuid()
+{
+    boost::uuids::random_generator gen;
+    boost::uuids::uuid u = gen();
+    return boost::uuids::to_string(u);
+}
+
+// generates UUID and returns its hash
+size_t UuidHash()
+{
+    boost::uuids::random_generator gen;
+    boost::hash<boost::uuids::uuid> uuid_hasher;
+    boost::uuids::uuid u = gen();
+    return uuid_hasher(u);
+}
+
+} /* namespace tools */
+} /* namespace mq */
+} /* namespace fair */