Class LoggingTransformerBase

Base class to expose logging and basic tracing to IMetricsPlanTransformer

Inheritance

Object

LoggingTransformerBase

MasterCoordinator

AggregateTransformer

AddParsedExpressions

AddTriggers

BaseMetricsPlan

DeduplicateExpressions

AddByName<TMetadata>

AddExternTableMetadata

AddMetricMetadata

AddUnique<TMetadata>

CoalesceOutputTables

InsertIntermediateSkipNonExperimentUnitAggregations

NormalizeColumnReferenceDependencies

AggregationOutputPrune

ExternTablePrune

JoinPrune

NaivePrune

ReplaceConstants

AddSegmentation

CreateAggregands

AddVariance

ReplaceExpressionsUsingVisitor

ReplaceTablesUsingVisitor

Implements

IMetricsPlanTransformer

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: Mangrove.MetricSetSyntaxTree.Logging

Assembly: MetricSetSyntaxTree.dll

Syntax

public abstract class LoggingTransformerBase : IMetricsPlanTransformer

Remarks

Subclasses of this can implement the TransformWithTracing(MetricsPlan, IMetricsPlanValidator) method and get trace messages on entry and exit corresponding interface method for free.

Constructors

LoggingTransformerBase()

Create this transformer with a logger which does nothing.

Declaration

public LoggingTransformerBase()

LoggingTransformerBase(ILogger)

Use the name of the subclass in logging.

Declaration

public LoggingTransformerBase(ILogger logger)

Parameters

Type	Name	Description
ILogger	logger

LoggingTransformerBase(ILogger, String)

Force subclasses to have a constructor which takes a logger and a name.

Declaration

public LoggingTransformerBase(ILogger logger, string transformerName)

Parameters

Type	Name	Description
ILogger	logger	If this is null, a default, noop logger will be used.
String	transformerName	If this is null, the name of the subclass will be used.

Properties

Logger

Logger to use when conducting the transformation.

Declaration

protected ILogger Logger { get; }

Property Value

Type	Description
ILogger

TransformerName

Name of the underlying transformer (useful in logging).

Declaration

protected string TransformerName { get; }

Property Value

Type	Description
String

Methods

Transform(MetricsPlan, IMetricsPlanValidator)

Transform a MetricsPlan into another one, with some basic begin / end logging.

Declaration

public virtual MetricsPlan Transform(MetricsPlan plan, IMetricsPlanValidator validator)

Parameters

Type	Name	Description
MetricsPlan	plan
IMetricsPlanValidator	validator

Returns

Type	Description
MetricsPlan

TransformWithTracing(MetricsPlan, IMetricsPlanValidator)

Overriding this gives you access to Logger during the transformation.

Declaration

public abstract MetricsPlan TransformWithTracing(MetricsPlan metricsPlan, IMetricsPlanValidator validator)

Parameters

Type	Name	Description
MetricsPlan	metricsPlan
IMetricsPlanValidator	validator

Returns

Type	Description
MetricsPlan

Implements

IMetricsPlanTransformer

Extension Methods

ObjectExtensions.EventId(Object)