From a7e766e1aa77fff846d8426658befd9a01fe2861 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 11 Aug 2015 15:34:12 +0200
Subject: Share DB object between modules

---
 brep/shared-database | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 brep/shared-database

(limited to 'brep/shared-database')

diff --git a/brep/shared-database b/brep/shared-database
new file mode 100644
index 0000000..cad526f
--- /dev/null
+++ b/brep/shared-database
@@ -0,0 +1,24 @@
+// file      : brep/shared-database -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BREP_SHARED_DATABASE
+#define BREP_SHARED_DATABASE
+
+#include <string>
+#include <memory> // shared_ptr
+
+#include <odb/forward.hxx> // database
+
+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 shared database instance throwing runtime_error otherwise.
+  // Is not thread-safe.
+  //
+  std::shared_ptr<odb::core::database>
+  shared_database (const std::string& host, unsigned int port);
+}
+
+#endif // BREP_SHARED_DATABASE
-- 
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