public IDatastore TransformData(DesignerItemBase transformationItem, List <IDatastore> dataStores, ReportProgressMethod reportProgressMethod)
{
var transformationItemConfiguration = objectResolver.LoadItemConfiguration(transformationItem.ID) as TransformationConfiguration;
IConnection transformationConnectionObject = null;
if (transformationItemConfiguration.SelectedConnectionConfigurationId.Equals(Guid.Empty) == false)
{
transformationConnectionObject = objectResolver.GetConnection(transformationItemConfiguration.SelectedConnectionConfigurationId);
}
foreach (var dataStore in dataStores)
{
dataStore.ApplyFilter(transformationItemConfiguration.DataFilter);
}
IModule transformationObject = objectResolver.GetModule(transformationItem.ID, transformationItem.ModuleDescription.ModuleType);
if (transformationObject is IDataTransformation)
{
((IDataTransformation)transformationObject).TransformData(transformationConnectionObject, null, dataStores.First(), reportProgressMethod);
return(dataStores.First());
}
else if (transformationObject is IDataMerge)
{
if (dataStores.Count != 2)
{
throw new Exception("Make sure to connect exactly two incoming datasources on JoinRecords transformations!");
}
var mergedStore = ((IDataMerge)transformationObject).TransformData(transformationConnectionObject, null, dataStores[0], dataStores[1], reportProgressMethod);
return(mergedStore);
}
else
{
throw new Exception("Tranformation does not implement a valid Tranformation-Interface!");
}
}