protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
// /// http://www.sqlservercentral.com/articles/SQL+Uniform+Random+Numbers/91103/
///// </summary>
///// <returns></returns>
//[GeneratorMetaData(Generators.GeneratorMetaDataAttribute.GeneratorType.Integer)]
//public static Generator CreateExponentialRandomNumbersGenerator()
//{
// GeneratorParameterCollection paramss = new GeneratorParameterCollection();
// paramss.Add(new GeneratorParameter("Lambda", new decimal(1.1), GeneratorParameterParser.DecimalParser));
// Generator gen = new Generator(GENERATOR_ExponentialRandomNumbers, (n, p) =>
// {
// double Lambda = (double)p.GetValueOf<decimal>("Lambda");
// double URN1 = RandomSupplier.Instance.GetNextDouble();
// //-LOG(@URN)/@Lambda
// return -1.0 * (Math.Log(URN1) / Lambda);
// }
// , paramss);
// return gen;
//}
return(n);
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
///// <summary>
///// http://www.sqlservercentral.com/articles/SQL+Uniform+Random+Numbers/91103/
///// </summary>
///// <returns></returns>
//[GeneratorMetaData(Generators.GeneratorMetaDataAttribute.GeneratorType.Integer)]
//public static Generator CreateWeibullRandomNumbersGenerator()
//{
// GeneratorParameterCollection paramss = new GeneratorParameterCollection();
// paramss.Add(new GeneratorParameter("Alpha", 1.1, GeneratorParameterParser.DecimalParser));
// paramss.Add(new GeneratorParameter("Beta", 1.1, GeneratorParameterParser.DecimalParser));
// Generator gen = new Generator(GENERATOR_WeibullRandomNumbers, (n, p) =>
// {
// double Alpha = (double)p.GetValueOf<decimal>("Alpha");
// double Beta = (double)p.GetValueOf<decimal>("Beta");
// double URN1 = (double)RandomSupplier.Instance.GetNextDecimal();
// //RETURN POWER((-1. / @Alpha) * LOG(1. - @URN), 1./@Beta)
// return Math.Pow((-1.0 / Alpha) * Math.Log(1.0 - URN1), 1.0 / Beta);
// }
// , paramss);
// return gen;
//}
return(n);
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
///// <summary>
///// http://www.sqlservercentral.com/articles/SQL+Uniform+Random+Numbers/91103/
///// </summary>
///// <returns></returns>
//[GeneratorMetaData(Generators.GeneratorMetaDataAttribute.GeneratorType.Integer)]
//public static Generator CreateNormallyDistributedRandomGenerator()
//{
// GeneratorParameterCollection paramss = new GeneratorParameterCollection();
// paramss.Add(new GeneratorParameter("Mean", new decimal(1.1), GeneratorParameterParser.DecimalParser));
// paramss.Add(new GeneratorParameter("StDev", new decimal(1.1), GeneratorParameterParser.DecimalParser));
// Generator gen = new Generator(GENERATOR_NormallyDistributedRandomNumbers, (n, p) =>
// {
// double Mean = (double)p.GetValueOf<decimal>("Mean");
// double StDev = (double)p.GetValueOf<decimal>("StDev");
// double URN1 = RandomSupplier.Instance.GetNextDouble();
// double URN2 = RandomSupplier.Instance.GetNextDouble();
// return (StDev * Math.Sqrt(-2 * Math.Log(URN1)) * Math.Cos(2 * Math.Acos(-1.0) * URN2)) + Mean;
// }
// , paramss);
// return gen;
//}
return(n);
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
//[GeneratorMetaData(Generators.GeneratorMetaDataAttribute.GeneratorType.Integer)]
//public static Generator CreateSequentialForeignKeyGenerator(ObservableCollection<string> fkkeys)
//{
// GeneratorParameterCollection paramss = new GeneratorParameterCollection();
// GeneratorParameter foreignParam = new GeneratorParameter("Keys", fkkeys, GeneratorParameterParser.ObjectParser, false);
// GeneratorParameter startIndex = new GeneratorParameter("Start Index", 1, GeneratorParameterParser.LonglParser);
// GeneratorParameter maxIndex = new GeneratorParameter("Max Index", 1000, GeneratorParameterParser.LonglParser);
// paramss.Add(foreignParam);
// paramss.Add(startIndex);
// paramss.Add(maxIndex);
// Generator gen = new Generator(GENERATOR_SequentialFOREIGNKEYValueEAGER, (n, p) =>
// {
// ObservableCollection<string> keys = p.GetValueOf<ObservableCollection<string>>("Keys");
// if (keys == null || keys.Count == 0)
// throw new ArgumentException("There are no foreign keys in the table that this column references");
// int si = p.GetValueOf<int>("Start Index");
// int mi = p.GetValueOf<int>("Max Index");
// if (mi > fkkeys.Count)
// {
// mi = fkkeys.Count;
// }
// return keys[n.LongToInt() % keys.Count];
// }
// , paramss);
// return gen;
//}
return(n);
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
decimal step = paramas.GetValueOf <Decimal>("Step");
decimal startValue = paramas.GetValueOf <Decimal>("StartValue");
return(startValue + (step * (n - 1)));
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
//public static Generator CreateSqlServerIdentityGenerator()
//{
// Generator gen = new Generator(GENERATOR_IdentityFromSqlServerGenerator, (n, p) =>
// {
// return "123467890";
// }
// , null);
// return gen;
//}
return(n);
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
//[GeneratorMetaData(Generators.GeneratorMetaDataAttribute.GeneratorType.Integer)]
//public static Generator CreateStaticNumberGenerator()
//{
// GeneratorParameterCollection paramss = new GeneratorParameterCollection();
// paramss.Add(new GeneratorParameter("Number", 0, GeneratorParameterParser.LonglParser));
// Generator gen = new Generator(GENERATOR_StaticNumber, (n, p) =>
// {
// long value = p.GetValueOf<long>("Number");
// return value;
// }
// , paramss);
// return gen;
//}
return(n);
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
// [GeneratorMetaData(Generators.GeneratorMetaDataAttribute.GeneratorType.General)]
//protected static Generator CreateQueryGenerator()
//{
// GeneratorParameterCollection paramss = new GeneratorParameterCollection();
// paramss.Add(new GeneratorParameter("Query", "select ...", GeneratorParameterParser.StringParser));
// Generator gen = new Generator(GENERATOR_CustomSQLQuery, (n, p) =>
// {
// string value = p.GetValueOf<String>("Query");
// return string.Format("({0})", value);
// }
// , paramss, true);
// return gen;
//}
return(n);
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
//[GeneratorMetaData(Generators.GeneratorMetaDataAttribute.GeneratorType.Integer)]
//public static Generator CreateRandomIntGenerator(long min, long max)
//{
// GeneratorParameterCollection paramss = new GeneratorParameterCollection();
// paramss.Add(new GeneratorParameter("MinValue", min, GeneratorParameterParser.LonglParser));
// paramss.Add(new GeneratorParameter("MaxValue", max, GeneratorParameterParser.LonglParser));
// Generator gen = new Generator(GENERATOR_RandomInt, (n, p) =>
// {
// long maxValue = p.GetValueOf<long>("MaxValue");
// long minValue = p.GetValueOf<long>("MinValue");
// return (RandomSupplier.Instance.GetNextInt() % maxValue) + minValue; ;
// }
// , paramss);
// return gen;
//}
return(n);
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
int l = paramas.GetValueOf <int>("Length");
return(Names[n.LongToInt() % Names.Count].SubstringWithMaxLength(l));
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
return(paramas.GetValueOf <string>("Value"));
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
int l = paramas.GetValueOf <int>("Length");
return(paramas.GetValueOf <string>("Value").SubstringWithMaxLength(l));
}
protected override object InternalGenerateValue(long n, Collections.GeneratorParameterCollection paramas)
{
return((RandomSupplier.Instance.GetNextDecimal() * decimal.MaxValue));
}
