the begginning

versioning/BRM/logicalpartition.h

@@ -0,0 +1,90 @@
+/* Copyright (C) 2014 InfiniDB, Inc.
+
+   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; version 2 of
+   the License.
+
+   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., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA. */
+
+/******************************************************************************
+ * $Id: logicalpartition.h 1823 2013-01-21 14:13:09Z rdempsey $
+ *
+ *****************************************************************************/
+
+/** @file 
+ * Put LogicalPartition define here to avoid header file include confilct.
+ * This struct will be used in connector, brm and writeengine
+ */
+
+#ifndef LOGICALPARTITION_H_
+#define LOGICALPARTITION_H_
+
+#include "bytestream.h"
+
+namespace BRM 
+{
+// Logical partition number descriptor
+struct LogicalPartition
+{
+	uint16_t dbroot;  // dbroot #
+	uint32_t pp;      // physical partition #
+	uint16_t seg;     // segment #
+
+	LogicalPartition() : dbroot ((uint16_t)-1),
+	                     pp ((uint32_t)-1),
+	                     seg ((uint16_t)-1) {}
+
+	LogicalPartition(uint16_t d, uint32_t p, uint16_t s) : dbroot(d),
+	                                                       pp(p),
+	                                                       seg(s)
+	{}
+	
+	bool operator<( const LogicalPartition &n ) const
+	{
+		return ((pp < n.pp) ||
+		        (pp == n.pp && seg < n.seg) ||
+		        (pp == n.pp && seg == n.seg && dbroot < n.dbroot));
+	}
+
+	void serialize(messageqcpp::ByteStream& b) const
+	{
+		b << (uint16_t)dbroot;
+		b << (uint32_t)pp;
+		b << (uint16_t)seg;
+	}
+
+	void unserialize(messageqcpp::ByteStream& b)
+	{
+		b >> (uint16_t&)dbroot;
+		b >> (uint32_t&)pp;
+		b >> (uint16_t&)seg;
+	}
+	
+	/** @bug4816. For output to user purpose */
+	std::string toString() const;
+};
+
+/**
+ * ostream operator
+ */
+std::ostream& operator<<(std::ostream& output, const LogicalPartition& rhs);
+std::istream& operator>>(std::istream& input, LogicalPartition& rhs);
+
+/**
+ * bytestream operator
+ */
+messageqcpp::ByteStream& operator<<(messageqcpp::ByteStream &bs, const LogicalPartition& rhs);
+
+messageqcpp::ByteStream& operator>>(messageqcpp::ByteStream &bs, LogicalPartition& rhs);
+
+}
+#endif