text: //---------------------------------------------------------------------------
  //	Greenplum Database
  //	Copyright (C) 2012 EMC Corp.
  //
  //	@filename:
  //		CDXLPhysicalCTEConsumer.h
  //
  //	@doc:
  //		Class for representing DXL physical CTE Consumer operators
  //---------------------------------------------------------------------------
  #ifndef GPDXL_CDXLPhysicalCTEConsumer_H
  #define GPDXL_CDXLPhysicalCTEConsumer_H
  
  #include "gpos/base.h"
  #include "gpos/common/CDynamicPtrArray.h"
  
  #include "naucrates/dxl/operators/CDXLPhysical.h"
  
  namespace gpdxl
  {
  //---------------------------------------------------------------------------
  //	@class:
  //		CDXLPhysicalCTEConsumer
  //
  //	@doc:
  //		Class for representing DXL physical CTE Consumers
  //
  //---------------------------------------------------------------------------
  class CDXLPhysicalCTEConsumer : public CDXLPhysical
  {
  private:
  	// cte id
  	ULONG m_id;
  
  	// output column ids
  	ULongPtrArray *m_output_colids_array;
  
  public:
  	CDXLPhysicalCTEConsumer(CDXLPhysicalCTEConsumer &) = delete;
  
  	// ctor
  	CDXLPhysicalCTEConsumer(CMemoryPool *mp, ULONG id,
  							ULongPtrArray *output_colids_array);
  
  	// dtor
  	~CDXLPhysicalCTEConsumer() override;
  
  	// operator type
  	Edxlopid GetDXLOperator() const override;
  
  	// operator name
  	const CWStringConst *GetOpNameStr() const override;
  
  	// cte identifier
  	ULONG
  	Id() const
  	{
  		return m_id;
  	}
  
  	ULongPtrArray *
  	GetOutputColIdsArray() const
  	{
  		return m_output_colids_array;
  	}
  
  	// serialize operator in DXL format
  	void SerializeToDXL(CXMLSerializer *xml_serializer,
  						const CDXLNode *dxlnode) const override;
  
  
  #ifdef GPOS_DEBUG
  	// checks whether the operator has valid structure, i.e. number and
  	// types of child nodes
  	void AssertValid(const CDXLNode *dxlnode,
  					 BOOL validate_children) const override;
  #endif	// GPOS_DEBUG
  
  	// conversion function
  	static CDXLPhysicalCTEConsumer *
  	Cast(CDXLOperator *dxl_op)
  	{
  		GPOS_ASSERT(nullptr != dxl_op);
  		GPOS_ASSERT(EdxlopPhysicalCTEConsumer == dxl_op->GetDXLOperator());
  		return dynamic_cast<CDXLPhysicalCTEConsumer *>(dxl_op);
  	}
  };
  }  // namespace gpdxl
  #endif	// !GPDXL_CDXLPhysicalCTEConsumer_H
  
  // EOF
  