core/sql/parser/ElemDDLConstraintNotNull.h

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// Licensed to the Apache Software Foundation (ASF) under one
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#ifndef ELEMDDLCONSTRAINTNOTNULL_H
#define ELEMDDLCONSTRAINTNOTNULL_H
/* -*-C++-*-
 *****************************************************************************
 *
 * File:         ElemDDLConstraintNotNull.h
 * Description:  class for Not Null constraint definitions in DDL statements
 *
 *               
 * Created:      3/29/95
 * Language:     C++
 *
 *
 *
 *
 *****************************************************************************
 */


#include "ElemDDLConstraint.h"

// -----------------------------------------------------------------------
// contents of this file
// -----------------------------------------------------------------------
class ElemDDLConstraintNotNull;

// -----------------------------------------------------------------------
// forward references
// -----------------------------------------------------------------------
// None.

// -----------------------------------------------------------------------
// defintion of class ElemDDLConstraintNotNull
// -----------------------------------------------------------------------
class ElemDDLConstraintNotNull : public ElemDDLConstraint
{

public:

  // constructors
 ElemDDLConstraintNotNull(NABoolean isNotNull = TRUE, CollHeap * h=PARSERHEAP())
   : ElemDDLConstraint(h, ELM_CONSTRAINT_NOT_NULL_ELEM),
    isNotNull_(isNotNull)
  { }

  inline ElemDDLConstraintNotNull(const NAString & constraintName,
				  NABoolean isNotNull = TRUE,
                                  CollHeap * h=PARSERHEAP());

  // copy ctor
  ElemDDLConstraintNotNull (const ElemDDLConstraintNotNull & orig,
                            CollHeap * h=0) ; // not written

  // virtual destructor
  virtual ~ElemDDLConstraintNotNull();

  // cast
  virtual ElemDDLConstraintNotNull * castToElemDDLConstraintNotNull();
  virtual NABoolean isConstraintNotNull() const 
    //  { return TRUE; }
  { return isNotNull_; }

  // methods for tracing
  virtual const NAString displayLabel2() const;
  virtual const NAString getText() const;


private:
  NABoolean isNotNull_;
}; // class ElemDDLConstraintNotNull

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

//
// constructors
//

inline
ElemDDLConstraintNotNull::ElemDDLConstraintNotNull (
						    const NAString & constraintName,
						    const NABoolean isNotNull,
						    CollHeap * h)
			 : ElemDDLConstraint(h, ELM_CONSTRAINT_NOT_NULL_ELEM,
					     constraintName),
			 isNotNull_(isNotNull)
{
}

#endif // ELEMDDLCONSTRAINTNOTNULL_H