/**********************************************************************
// @@@ START COPYRIGHT @@@
//
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
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// KIND, either express or implied.  See the License for the
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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