Class TransformAggregationBase<TInput>

Base class that holds accumulation information. The seed, accumulation, and output actions in workers created by AggregateTransformFactory takes this instance as a parameter. Also see the examples in Dataflow Aggregations.

Inheritance
Object
TransformAggregationBase<TInput>
TransformAggregation<TInputAccumulate>
TransformAggregation<TInput, TAccumulate>
Namespace: actionETL
Assembly: actionETL.dll
Syntax
public abstract class TransformAggregationBase<TInput>
    where TInput : class
Type Parameters
Name Description
TInput

The type of the incoming rows.

Properties

Count

Gets the number of rows that has been accumulated. Note that this includes rows with null column values.

Declaration
public long Count { get; }
Property Value
Type Description
Int64

CustomData

Gets or sets custom data, which can optionally be created and maintained by the user aggregation delegates. Defaults to null.

Declaration
public object CustomData { get; set; }
Property Value
Type Description
Object

NextRow

Gets the next incoming row.

Declaration
public TInput NextRow { get; }
Property Value
Type Description
TInput

Status

Gets or sets the status. Defaults to NotCompleted.

Set it to a completed status to discard any additional input rows - Succeeded will invoke the output action (unless already run), and complete the worker successfully with the current aggregation values; a failure status will fail the worker without invoking the output action.

Declaration
public ProgressStatus Status { get; set; }
Property Value
Type Description
ProgressStatus

See Also

TransformAggregation<TInputAccumulate>
TransformAggregation<TInput, TAccumulate>