the begginning

dbcon/dmlpackageproc/commandpackageprocessor.h

@@ -0,0 +1,81 @@
+/* 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: commandpackageprocessor.h 9302 2013-03-07 16:06:59Z chao $
+*
+*
+***********************************************************************/
+/** @file */
+
+#ifndef COMMANDPACKAGEPROCESSOR_H
+#define COMMANDPACKAGEPROCESSOR_H
+#include <string>
+#include <vector>
+#include <set>
+#include <boost/any.hpp>
+#include <boost/algorithm/string.hpp>
+#include "dmlpackageprocessor.h"
+#include "dmltable.h"
+#include <boost/thread/mutex.hpp>
+#include <boost/thread/condition.hpp>
+
+#if defined(_MSC_VER) && defined(DMLPKGPROC_DLLEXPORT)
+#define EXPORT __declspec(dllexport)
+#else
+#define EXPORT
+#endif
+
+namespace dmlpackageprocessor
+{
+/** @brief concrete implementation of a DMLPackageProcessor.
+  * Specifically for interacting with the Write Engine to
+  * process INSERT dml statements.
+  */
+class CommandPackageProcessor : public DMLPackageProcessor
+{
+
+public:
+	CommandPackageProcessor(BRM::DBRM* aDbrm, uint32_t sid) : DMLPackageProcessor(aDbrm, sid){}
+    /** @brief process an CommandDMLPackage
+      *
+      * @param cpackage the CommandDMLPackage to process
+      */
+    EXPORT DMLResult processPackage(dmlpackage::CalpontDMLPackage& cpackage);
+
+protected:
+
+private:
+	void viewTableLock(const dmlpackage::CalpontDMLPackage& cpackage,
+		DMLResult& result );
+	void clearTableLock(uint64_t uniqueId,
+		const dmlpackage::CalpontDMLPackage& cpackage,
+		DMLResult& result );
+	void establishTableLockToClear(uint64_t tableLockID,
+		BRM::TableLockInfo& lockInfo);
+
+	// Tracks active cleartablelock commands by storing set of table lock IDs
+	static std::set<uint64_t> fActiveClearTableLockCmds;
+	static boost::mutex       fActiveClearTableLockCmdMutex;
+};
+
+}
+
+#undef EXPORT
+
+#endif //COMMANDPACKAGEPROCESSOR_H
+