ETLBox
Class RowTransformation<TInput, TOutput>
The RowTransformation will apply the transformation function to each row of data.
Inheritance
DataFlowSource<TOutput>
DataFlowTransformation<TInput, TOutput>
RowTransformation<TInput, TOutput>
Implements
IDataFlowTransformation<TInput, TOutput>
IDataFlowSource<TOutput>
IDataFlowDestination<TInput>
Inherited Members
Namespace: ETLBox.DataFlow
Assembly: ETLBox.dll
Syntax
public class RowTransformation<TInput, TOutput> : DataFlowTransformation<TInput, TOutput>, IDataFlowTransformation<TInput, TOutput>, IDataFlowSource<TOutput>, IDataFlowSource, IDataFlowDestination<TInput>, IDataFlowDestination, IDataFlowComponent, ILoggableTaskType Parameters
| Name | Description |
|---|---|
| TInput | The type of ingoing data. |
| TOutput | The type of outgoing data. |
Examples
RowTransformation<InputType, OutputType> trans = new RowTransformation<InputType, OutputType>(
row => {
return new OutputType() { Value = row.Value + 1 };
});Constructors
RowTransformation()
Declaration
public RowTransformation()RowTransformation(Func<TInput, TOutput>)
Declaration
public RowTransformation(Func<TInput, TOutput> transformationFunc)Parameters
| Type | Name | Description |
|---|---|---|
| Func<TInput, TOutput> | transformationFunc | Will set the TransformationFunc |
RowTransformation(Func<TInput, TOutput>, Action)
Declaration
public RowTransformation(Func<TInput, TOutput> transformationFunc, Action initAction)Parameters
| Type | Name | Description |
|---|---|---|
| Func<TInput, TOutput> | transformationFunc | Will set the TransformationFunc |
| Action | initAction | Will set the InitAction |
Fields
WasInitActionInvoked
Declaration
protected bool WasInitActionInvokedField Value
| Type | Description |
|---|---|
| bool |
Properties
InitAction
The init action is executed shortly before the first data row is processed.
Declaration
public Action InitAction { get; set; }Property Value
| Type | Description |
|---|---|
| Action |
SourceBlock
SourceBlock from the underlying TPL.Dataflow which is used as output buffer for the component.
Declaration
public override ISourceBlock<TOutput> SourceBlock { get; }Property Value
| Type | Description |
|---|---|
| ISourceBlock<TOutput> |
Overrides
TargetBlock
TargetBlock from the underlying TPL.Dataflow which is used as input buffer for the component.
Declaration
public override ITargetBlock<TInput> TargetBlock { get; }Property Value
| Type | Description |
|---|---|
| ITargetBlock<TInput> |
Overrides
TransformationFunc
Each ingoing row will be transformed using this function.
Declaration
public Func<TInput, TOutput> TransformationFunc { get; set; }Property Value
| Type | Description |
|---|---|
| Func<TInput, TOutput> |
Methods
CheckParameter()
Declaration
protected override void CheckParameter()Overrides
CleanUpOnFaulted(Exception)
Declaration
protected override void CleanUpOnFaulted(Exception e)Parameters
| Type | Name | Description |
|---|---|---|
| Exception | e |
Overrides
CleanUpOnSuccess()
Declaration
protected override void CleanUpOnSuccess()Overrides
InitComponent()
Declaration
protected override void InitComponent()Overrides
InvokeInitActionOnce()
Declaration
protected virtual void InvokeInitActionOnce()InvokeTransformationFunc(TInput)
Declaration
protected virtual TOutput InvokeTransformationFunc(TInput row)Parameters
| Type | Name | Description |
|---|---|---|
| TInput | row |
Returns
| Type | Description |
|---|---|
| TOutput |
Reset()
Declaration
protected override void Reset()