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//////////////////////////////////////////////////////////////////////////
//
// pgScript - PostgreSQL Tools
//
// Copyright (C) 2002 - 2014, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////////////////
#ifndef PGSINTEGERGEN_H_
#define PGSINTEGERGEN_H_
#include "pgscript/pgScript.h"
#include "pgscript/generators/pgsNumberGen.h"
#include "pgscript/generators/pgsObjectGen.h"
#include "pgscript/utilities/pgsCopiedPtr.h"
class pgsIntegerGen : public pgsObjectGen
{
private:
class pgsSequentialIntGen : public pgsNumberGen
{
private:
MAPM m_state;
MAPM m_m;
static const MAPM arg_a;
static const MAPM arg_c;
MAPM m_remainder;
pgsVectorMapm m_buffer;
public:
pgsSequentialIntGen(const MAPM &range, const long &seed);
virtual MAPM random();
virtual ~pgsSequentialIntGen();
virtual pgsNumberGen *clone();
/* pgsSequentialIntGen & operator =(const pgsSequentialIntGen & that); */
/* pgsSequentialIntGen(const pgsSequentialIntGen & that); */
};
class pgsNormalIntGen : public pgsNumberGen
{
private:
MAPM m_state;
MAPM m_top;
static const MAPM arg_a;
static const MAPM arg_c;
static const MAPM arg_m;
public:
pgsNormalIntGen(const MAPM &range, const long &seed);
virtual MAPM random();
virtual ~pgsNormalIntGen();
virtual pgsNumberGen *clone();
/* pgsNormalIntGen & operator =(const pgsNormalIntGen & that); */
/* pgsNormalIntGen(const pgsNormalIntGen & that); */
};
friend class pgsRealGen;
private:
typedef pgsCopiedPtr<pgsNumberGen> pgsRandomizer; // Needs a clone() method
MAPM m_min;
MAPM m_max;
MAPM m_range;
bool m_sequence;
pgsRandomizer m_randomizer;
public:
pgsIntegerGen(const MAPM &min, const MAPM &max,
const bool &sequence = false, const long &seed = wxDateTime::GetTimeNow());
bool is_sequence() const;
virtual wxString random();
long random_long();
virtual ~pgsIntegerGen();
virtual pgsIntegerGen *clone();
/* pgsIntegerGen & operator =(const pgsIntegerGen & that); */
/* pgsIntegerGen(const pgsIntegerGen & that); */
};
#endif /*PGSINTEGERGEN_H_*/
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