public virtual bool Validate(DocumentSpecification documentSpecification)
{
bool isValid = true;
if (documentSpecification.IsValidate)
{
ETLValidatorEventArgs e = new ETLValidatorEventArgs()
{
DocumentSpecification = documentSpecification
};
OnValidating?.Invoke(this, e);
try
{
isValid = ValidateDocument(documentSpecification);
}
catch (Exception exception)
{
if (IsThrowValidationException)
{
throw exception;
}
else
{
e.Exception = exception;
isValid = false;
}
}
e.IsValid = isValid;
OnValidated?.Invoke(this, e);
}
return(isValid);
}
public virtual IEnumerable <string> Transform(IEnumerable <string> input,
DocumentSpecification sourceSpecification,
DocumentSpecification targetSpecification)
{
ETLMapperEventArgs e = new ETLMapperEventArgs()
{
SourceSpecification = sourceSpecification,
TargetSpecification = targetSpecification
};
OnMapperStart?.Invoke(this, e);
foreach (var item in input)
{
e.Input = item;
OnTransforming?.Invoke(this, e);
e.Output = TransformInputToOutput(item, e.SourceSpecification, e.TargetSpecification);
e.Counter++;
OnTransformed?.Invoke(this, e);
yield return(e.Output);
}
OnMapperEnd?.Invoke(this, e);
}
/// <summary> /// Validates a document. /// </summary> /// <param name="documentSpecification">The document specification.</param> /// <returns>True if validation is passed. Otherwise, false.</returns> protected abstract bool ValidateDocument(DocumentSpecification documentSpecification);
/// <summary> /// Transforms the input to the output. /// </summary> /// <param name="input">The input to transform.</param> /// <param name="sourceSpecification">The source's document specification.</param> /// <param name="targetSpecification">The target's document specification.</param> /// <returns>The transformation output.</returns> protected abstract string TransformInputToOutput(string input, DocumentSpecification sourceSpecification, DocumentSpecification targetSpecification);
