/// <summary>
/// Folds expression from given expressions.
/// </summary>
/// <param name="expressions">The expressions.</param>
/// <returns>The expression.</returns>
public static IExpression FoldExpression(params IExpression[] expressions)
{
return(TestExprFactory.FoldExpression(expressions.ToList()));
}
/// <summary>
/// Gets the expression by testing data type.
/// </summary>
/// <param name="type">The testing data type.</param>
/// <returns>The expression.</returns>
public static IExpression GetExpression(TestExprType type)
{
return(TestExprFactory.GetExpression(true, type));
}
/// <summary>
/// Gets the expression by testing data types.
/// </summary>
/// <param name="types">The testing data types.</param>
/// <returns>The expression.</returns>
public static IExpression GetExpression(params TestExprType[] types)
{
return(TestExprFactory.GetExpression(false, types));
}
/// <summary>
/// Gets the expression by testing data types.
/// </summary>
/// <param name="noChildren">Specifies if returning expression has to have descendant expressions.</param>
/// <param name="types">The testing data types.</param>
/// <returns>The expression.</returns>
private static IExpression GetExpression(bool noChildren, params TestExprType[] types)
{
if (noChildren && types.Length != 1)
{
throw new Exception();
}
IExpression expr = ModelResolvers.ExprResolver();
for (int i = 0; i < types.Length; i++)
{
IExpression operand = ModelResolvers.ExprResolver();
switch (types[i])
{
case TestExprType.IntsDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Integer));
break;
case TestExprType.NumbersDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Number),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Number));
break;
case TestExprType.StringsDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.String),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.String));
break;
case TestExprType.BoolsDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Boolean),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Boolean));
break;
case TestExprType.TimesDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Time),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Time));
break;
case TestExprType.DatesDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Date),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Date));
break;
case TestExprType.TimePeriodsDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.TimePeriod),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.TimePeriod));
break;
case TestExprType.DurationsDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Duration),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Duration));
break;
case TestExprType.NonesDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.None),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.None));
break;
case TestExprType.MixedIntNumDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Number));
break;
case TestExprType.MixedNumStrDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Number),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.String));
break;
case TestExprType.MixedNoneIntDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.None),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Integer));
break;
case TestExprType.MixedNoneNumDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.None),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Number));
break;
case TestExprType.MixedNoneStrDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.None),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.String));
break;
case TestExprType.MixedNoneBoolDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.None),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Boolean));
break;
case TestExprType.MixedNoneTimeDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.None),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Time));
break;
case TestExprType.MixedNoneDateDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.None),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Date));
break;
case TestExprType.MixedNoneTimePerDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.None),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.TimePeriod));
break;
case TestExprType.MixedNoneDurDataset:
operand =
TestExprFactory.GetDatasetExpr(
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Identifier, BasicDataType.Integer),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.None),
new KeyValuePair <ComponentType, BasicDataType>(ComponentType.Measure, BasicDataType.Duration));
break;
default:
operand.Structure = ModelResolvers.DsResolver("const", ComponentType.Measure, (BasicDataType)types[i]);
break;
}
if (!noChildren)
{
expr.AddOperand($"ds_{i + 1}", operand);
}
else
{
expr = operand;
}
}
return(expr);
}