ETLBox
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CustomBatchSource<TOutput>
Class CustomBatchSource<TOutput>
Define your own source block. This block allows you to read batches of data from your own custom written functions, which are then send subsequently into your data flow.
Inherited Members
Namespace: ETLBox.DataFlow
Assembly: ETLBox.dll
Syntax
public class CustomBatchSource<TOutput> : DataFlowExecutableSource<TOutput>, IDataFlowExecutableSource<TOutput>, IDataFlowSource<TOutput>, IDataFlowExecutableSource, IDataFlowSource, IDataFlowComponent, ILoggableTaskType Parameters
| Name | Description |
|---|---|
| TOutput | Type of outgoing data. |
Constructors
CustomBatchSource()
Declaration
public CustomBatchSource()CustomBatchSource(Func<int, IEnumerable<TOutput>>, Predicate<int>)
Declaration
public CustomBatchSource(Func<int, IEnumerable<TOutput>> readBatchFunc, Predicate<int> readingCompleted)Parameters
| Type | Name | Description |
|---|---|---|
| Func<int, IEnumerable<TOutput>> | readBatchFunc | Sets the ReadBatchFunc |
| Predicate<int> | readingCompleted | Sets the ReadingCompleted |
Properties
ReadBatchFunc
The function that returns a batch of data row as output. An integer value with the current progress count is the input of the function.
Declaration
public Func<int, IEnumerable<TOutput>> ReadBatchFunc { get; set; }Property Value
| Type | Description |
|---|---|
| Func<int, IEnumerable<TOutput>> |
ReadingCompleted
This predicate returns true when all rows for the flow are successfully returned from the ReadBatchFunc. An integer value with the current progress count is the input of the predicate.
Declaration
public Predicate<int> ReadingCompleted { get; set; }Property Value
| Type | Description |
|---|---|
| Predicate<int> |
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
OnExecutionDoAsyncWork()
Declaration
protected override void OnExecutionDoAsyncWork()