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//////////////////////////////////////////////////////////////////////////
//
// pgScript - PostgreSQL Tools
//
// Copyright (C) 2002 - 2014, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////////////////
#ifndef PGSGENERATOR_H_
#define PGSGENERATOR_H_
#include "pgscript/pgScript.h"
#include "pgscript/generators/pgsObjectGen.h"
#include "pgscript/objects/pgsVariable.h"
#include "pgscript/utilities/pgsSharedPtr.h"
class pgsNumber;
class pgsRecord;
class pgsString;
class pgsGenerator : public pgsVariable
{
public:
virtual pgsOperand pgs_plus(const pgsVariable &rhs) const;
virtual pgsOperand pgs_minus(const pgsVariable &rhs) const;
virtual pgsOperand pgs_times(const pgsVariable &rhs) const;
virtual pgsOperand pgs_over(const pgsVariable &rhs) const;
virtual pgsOperand pgs_modulo(const pgsVariable &rhs) const;
virtual pgsOperand pgs_equal(const pgsVariable &rhs) const;
virtual pgsOperand pgs_different(const pgsVariable &rhs) const;
virtual pgsOperand pgs_greater(const pgsVariable &rhs) const;
virtual pgsOperand pgs_lower(const pgsVariable &rhs) const;
virtual pgsOperand pgs_lower_equal(const pgsVariable &rhs) const;
virtual pgsOperand pgs_greater_equal(const pgsVariable &rhs) const;
virtual pgsOperand pgs_not() const;
virtual bool pgs_is_true() const;
virtual pgsOperand pgs_almost_equal(const pgsVariable &rhs) const;
protected:
typedef pgsSharedPtr<pgsObjectGen> pgsRandomizer;
mutable pgsRandomizer m_randomizer;
public:
pgsGenerator(const pgsTypes &generator_type, pgsObjectGen *randomizer);
virtual ~pgsGenerator();
virtual pgsVariable *clone() const;
/* pgsGenerator(const pgsGenerator & that); */
/* pgsGenerator & operator =(const pgsGenerator & that); */
public:
virtual wxString value() const;
virtual pgsOperand eval(pgsVarMap &vars) const;
protected:
pgsOperand operand() const;
public:
virtual pgsNumber number() const;
virtual pgsRecord record() const;
virtual pgsString string() const;
};
#endif /*PGSGENERATOR_H_*/
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