1 files changed, 47 insertions, 0 deletions
diff --git a/ndb/include/kernel/RefConvert.hpp b/ndb/include/kernel/RefConvert.hpp
new file mode 100644
index 00000000000..7604b1cf224
--- /dev/null
+++ b/ndb/include/kernel/RefConvert.hpp
@@ -0,0 +1,47 @@
+/* Copyright (C) 2003 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef REFCONVERT_H
+#define REFCONVERT_H
+
+#include "kernel_types.h"
+
+/**
+ * Convert BlockReference to BlockNumber
+ */
+inline
+BlockNumber refToBlock(BlockReference ref){
+  return (BlockNumber)(ref >> 16);
+}
+
+/**
+ * Convert BlockReference to NodeId
+ */
+inline
+NodeId refToNode(BlockReference ref){
+  return (NodeId)(ref & 0xFFFF);
+}
+
+/**
+ * Convert NodeId and BlockNumber to BlockReference
+ */
+inline 
+BlockReference numberToRef(BlockNumber bnr, NodeId proc){
+  return (((Uint32)bnr) << 16) + proc;
+}
+
+#endif
+