core/sql/refresh/RuMultiTxnRefreshSQLComposer.h

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// Licensed to the Apache Software Foundation (ASF) under one
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#ifndef _RU_SQL_MULTI_TXN_REFRESH_COMPOSER_H_
#define _RU_SQL_MULTI_TXN_REFRESH_COMPOSER_H_

/* -*-C++-*-
******************************************************************************
*
* File:         RuSQLMultiTxnRefreshComposer.h
* Description:  Definition of class CRUSQLRefreshComposer
*				
*
* Created:      08/17/2000
* Language:     C++
* 
*
* 
******************************************************************************
*/

//--------------------------------------------------------------------------//
//	CRUMultiTxnRefreshSQLComposer
//	
//	This class compose the internal refresh command for a multi-transaction MV
//
//--------------------------------------------------------------------------//

#include "RuRefreshSQLComposer.h"

class REFRESH_LIB_CLASS CRUMultiTxnRefreshSQLComposer : 
      public CRURefreshSQLComposer {
private:
	typedef CRURefreshSQLComposer inherited;

public:
	CRUMultiTxnRefreshSQLComposer(CRURefreshTask *pTask);
	virtual ~CRUMultiTxnRefreshSQLComposer() {}

public:
	void ComposeRefresh(Int32 phase, BOOL catchup);
	void ComposeCreateContextLogTable();
	void ComposeReadContextLog();
	void ComposeCQSForIRPhase1();
	
private:
	
	//-- Prevent copying
	CRUMultiTxnRefreshSQLComposer(const CRUMultiTxnRefreshSQLComposer &other);
	CRUMultiTxnRefreshSQLComposer &operator = 
		(const CRUMultiTxnRefreshSQLComposer &other);

private:
	void AddNRowsClause(Int32 phase, BOOL catchup);
};

#endif