Class BasicExpressionValidation

Perform Expression-specific validation.

Inheritance
Object
LoggingValidatorBase
BasicExpressionValidation
Inherited Members
Namespace: Mangrove.MetricSetTransformers.Validation
Assembly: MetricSetTransformers.dll
Syntax
public class BasicExpressionValidation : LoggingValidatorBase, IMetricsPlanValidator, IGenericMetricsPlanTransformer<List<string>>, IGenericExpressionVisitor<List<string>>, IExpressionVisitor, IGenericVisitor<List<string>>

Constructors

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BasicExpressionValidation(ILogger)

Declaration
public BasicExpressionValidation(ILogger logger)
Parameters
Type Name Description
ILogger logger

Properties

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Result

List of errors from validating this expression.

Declaration
public List<string> Result { get; }
Property Value
Type Description
List<String>

Methods

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IsValidHistogramKeyType(TypeKind)

Declaration
public static bool IsValidHistogramKeyType(TypeKind t)
Parameters
Type Name Description
TypeKind t
Returns
Type Description
Boolean
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Reset()

Declaration
public void Reset()
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TransformWithTracing(MetricsPlan)

Check that all expressions in a MetricsPlan object satisfy basic expression validation.

Declaration
public override List<string> TransformWithTracing(MetricsPlan plan)
Parameters
Type Name Description
MetricsPlan plan
Returns
Type Description
List<String>
Overrides
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Visit(Aggregand)

Declaration
public void Visit(Aggregand expr)
Parameters
Type Name Description
Aggregand expr
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Visit(BinaryAggregation)

Declaration
public void Visit(BinaryAggregation expr)
Parameters
Type Name Description
BinaryAggregation expr
Remarks

If aggregation is percentile, checks if the first argument is integer. We only support percentiles for integer values.

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Visit(BinaryOperation)

If the operation is Percentile, checks if the first argument is Histogram. Moreover, also chacks that this Histogram's keys are of type Int or Long because we only support percentiles for integers. Also check the type for StringToDatetime, DatetimeToString, SubString, MathMin/MathMax.

Declaration
public void Visit(BinaryOperation expr)
Parameters
Type Name Description
BinaryOperation expr
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Visit(ColumnReference)

Declaration
public void Visit(ColumnReference expr)
Parameters
Type Name Description
ColumnReference expr
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Visit(DataSourceColumn)

Declaration
public void Visit(DataSourceColumn expr)
Parameters
Type Name Description
DataSourceColumn expr
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Visit(Extern)

Declaration
public void Visit(Extern expr)
Parameters
Type Name Description
Extern expr
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Visit(Filter)

Declaration
public void Visit(Filter expr)
Parameters
Type Name Description
Filter expr
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Visit(JoinKey)

Declaration
public void Visit(JoinKey expr)
Parameters
Type Name Description
JoinKey expr
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Visit(Literal)

Declaration
public void Visit(Literal expr)
Parameters
Type Name Description
Literal expr
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Visit(RuntimeVariable)

Declaration
public void Visit(RuntimeVariable expr)
Parameters
Type Name Description
RuntimeVariable expr
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Visit(TernaryOperation)

check the type for SubString

Declaration
public void Visit(TernaryOperation expr)
Parameters
Type Name Description
TernaryOperation expr
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Visit(UnaryAggregation)

Declaration
public void Visit(UnaryAggregation expr)
Parameters
Type Name Description
UnaryAggregation expr
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Visit(UnaryOperation)

Declaration
public void Visit(UnaryOperation expr)
Parameters
Type Name Description
UnaryOperation expr
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Visit(UnaryWindowFunction)

Declaration
public void Visit(UnaryWindowFunction expr)
Parameters
Type Name Description
UnaryWindowFunction expr
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Visit(UnionExpression)

Declaration
public void Visit(UnionExpression expr)
Parameters
Type Name Description
UnionExpression expr
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Visit(VectorOperation)

Declaration
public void Visit(VectorOperation expr)
Parameters
Type Name Description
VectorOperation expr

Implements

Extension Methods