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+// file      : mod/database -*- C++ -*-
+// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef MOD_DATABASE
+#define MOD_DATABASE
+
+#include <odb/forward.hxx> // database
+
+#include <brep/types>
+#include <brep/utility>
+
+#include <mod/options>
+
+namespace brep
+{
+  // Returns pointer to the shared database instance, creating one on the
+  // first call. On subsequent calls ensures passed host and port equals
+  // to ones of the existing database instance throwing runtime_error
+  // otherwise. Is not thread-safe.
+  //
+  shared_ptr<odb::core::database>
+  shared_database (const options::db&);
+}
+
+#endif // MOD_DATABASE