core/sql/parser/ElemDDLMVFileAttrClause.h

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#ifndef ELEMDDL_MV_FILEATTRCLAUSE_H
#define ELEMDDL_MV_FILEATTRCLAUSE_H
/* -*-C++-*-
 *****************************************************************************
 *
 * File:         ElemDDLMVFileAttrClause.h
 * Description:  class for parse nodes representing MV file Attribute(S)
 *               clauses in DDL statements.  Note that this class is
 *               derived from class ElemDDLNode instead of class
 *               ElemDDLFileAttr.
 *               
 *
 * Created:      4/2/2000
 * Language:     C++
 *
 *
 *
 *
 *****************************************************************************
 */


#include "ElemDDLNode.h"



//----------------------------------------------------------------------------
class ElemDDLMVFileAttrClause : public ElemDDLNode
{

public:

  // constructor
  ElemDDLMVFileAttrClause(ElemDDLNode * pFileAttrDefBody)
  : ElemDDLNode(ELM_MV_FILE_ATTR_CLAUSE_ELEM)
  {
    setChild(INDEX_MV_FILE_ATTR_DEFINITION_BODY, pFileAttrDefBody);
  }

  // virtual destructor
  virtual ~ElemDDLMVFileAttrClause();

  // cast
  virtual ElemDDLMVFileAttrClause * castToElemDDLMVFileAttrClause();

  // accessors
  virtual Int32 getArity() const;
  virtual ExprNode * getChild(Lng32 index);
  inline ElemDDLNode * getFileAttrDefBody() const;

  // mutator
  virtual void setChild(Lng32 index, ExprNode * pElemDDLNode);
 
  // methods for tracing
  virtual const NAString getText() const;

  // method for building text
  virtual NAString getSyntax() const;



private:

  // pointers to child parse nodes

  enum { INDEX_MV_FILE_ATTR_DEFINITION_BODY,
         MAX_ELEM_DDL_MV_FILE_ATTR_CLAUSE_ARITY };

  ElemDDLNode * children_[MAX_ELEM_DDL_MV_FILE_ATTR_CLAUSE_ARITY];

}; // class ElemDDLMVFileAttrClause

//----------------------------------------------------------------------------
// definitions of inline methods for class ElemDDLMVFileAttrClause
//----------------------------------------------------------------------------


inline ElemDDLNode *
ElemDDLMVFileAttrClause::getFileAttrDefBody() const
{
  return (((ElemDDLMVFileAttrClause *)this)->
          getChild(INDEX_MV_FILE_ATTR_DEFINITION_BODY)->castToElemDDLNode());
}

#endif // ELEMDDL_MV_FILEATTRCLAUSE_H