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			96 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* Copyright (C) 2014 InfiniDB, Inc.
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   This program is free software; you can redistribute it and/or
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   modify it under the terms of the GNU General Public License
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   as published by the Free Software Foundation; version 2 of
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   the License.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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   MA 02110-1301, USA. */
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/***********************************************************************
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 *   $Id: ddlprocessor.h 6 2006-06-23 17:58:51Z rcraighead $
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 *
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 *
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 ***********************************************************************/
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/** @file */
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#pragma once
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#include "ddlproc.h"
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#include "threadpool.h"
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#include "calpontsystemcatalog.h"
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#include "querytele.h"
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namespace ddlprocessor
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{
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/** @brief process ddl packages as they arrive
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 */
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class DDLProcessor
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{
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 public:
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  DDLProcessor() = delete;
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  /** @brief ctor
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   *
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   * @param packageMaxThreads the maximum number of threads to process ddl packages
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   * @param packageWorkQueueSize the maximum number of ddl packages in the work queue
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   */
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  DDLProcessor(int packageMaxThreads, int packageWorkQueueSize);
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  ~DDLProcessor();
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  /** @brief entry point for the DDLProcessor
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   */
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  void process();
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  int commitTransaction(uint32_t txnID, std::string& errorMsg);
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  /** @brief get the ddl package thread pool size
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   */
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  inline int getPackageThreadPoolSize() const
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  {
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    return fPackageMaxThreads;
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  }
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  /** @brief set the ddl package thread pool size
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   */
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  inline void setPackageThreadPoolSize(int threadPoolSize)
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  {
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    fPackageMaxThreads = threadPoolSize;
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  }
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  /** @brief get the maximum number of ddl packages allowed in the work queue
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   */
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  inline int getPackageWorkQueueSize() const
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  {
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    return fPackageWorkQueueSize;
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  }
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  /** @brief set the maximum number of ddl packages allowed in the work queue
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   */
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  inline void setPackageWorkQueueSize(int workQueueSize)
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  {
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    fPackageWorkQueueSize = workQueueSize;
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  }
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 private:
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  /** @brief the thread pool for processing ddl packages
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   */
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  threadpool::ThreadPool fDdlPackagepool;
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  int fPackageMaxThreads;    /** @brief max number of threads to process ddl packages */
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  int fPackageWorkQueueSize; /** @brief max number of ddl packages waiting in the work queue */
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  messageqcpp::MessageQueueServer fMqServer;
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  boost::shared_ptr<execplan::CalpontSystemCatalog> csc;
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  WriteEngine::WEClients* fWEClient;
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  uint32_t fPMCount;
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  querytele::QueryTeleClient fQtc;
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  uint32_t debugLevel{0};
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};
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}  // namespace ddlprocessor
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