public Executable AddTask <T>(EntityTypeConfiguration <T> map, ConnectionManager manager) where T : class
{
FileInfo fileInfo = new FileInfo(manager.ConnectionString);
string fileName = fileInfo.Name.Substring(0, fileInfo.Name.Length - 4);
string dataFlowName = $"Data Flow from {fileName} to {map.GetTableName()} in the {map.GetSchemaName()} Schema";
string dataFlowDescription = $"This data flow task will transfer the records from {manager.ConnectionString} to the {map.GetFullTableName()}";
Executable executable = CensusPackageExecutables.Contains(dataFlowName)
? CensusPackageExecutables[dataFlowName]
: CensusPackageExecutables.Add("STOCK:PipelineTask");
TaskHost task = executable as TaskHost;
if (task == null)
{
throw new ArgumentException("Failed to retrieve executable as TaskHost!");
}
task.Name = dataFlowName;
task.Description = dataFlowDescription;
MainPipe dataFlow = task.InnerObject as MainPipe;
if (dataFlow == null)
{
throw new ArgumentException("Unable to retrieve task as a MainPipe!");
}
dataFlow.ComponentMetaDataCollection.RemoveAll();
dataFlow.Events = DtsConvert.GetExtendedInterface(new SSISComponentEventHandler());
#region Source
IDTSComponentMetaData100 source = dataFlow.ComponentMetaDataCollection.New();
source.Name = $"{FlatFileSourceComponentInfo.Name} reference to {fileName}";
source.Description = $"This component will read all of the records located in {fileInfo.FullName}";
source.ContactInfo = "Anthony Hart | [email protected]";
source.ComponentClassID = FlatFileSourceComponentInfo.CreationName;
CManagedComponentWrapper sourceWrapper = source.Instantiate();
sourceWrapper.ProvideComponentProperties();
source.RuntimeConnectionCollection[0].ConnectionManager = DtsConvert.GetExtendedInterface(manager);
source.RuntimeConnectionCollection[0].ConnectionManagerID = manager.ID;
source.RuntimeConnectionCollection[0].Name = "FlatFileConnection";
source.RuntimeConnectionCollection[0].Description = manager.Description;
sourceWrapper.SetComponentProperty("RetainNulls", true);
sourceWrapper.AcquireConnections(null);
sourceWrapper.ReinitializeMetaData();
sourceWrapper.ReleaseConnections();
#endregion Source
#region Destination
IDTSComponentMetaData100 destination = dataFlow.ComponentMetaDataCollection.New();
destination.Name = $"{ADONETDestinationComponentInfo.Name} reference to {map.GetTableName()} in the {map.GetSchemaName()} Schema";
destination.Description = $"This component will import all of the records that were read from the {FlatFileSourceComponentInfo.Name} component into the {map.GetFullTableName()} table";
destination.ContactInfo = "Anthony Hart | [email protected]";
destination.ComponentClassID = ADONETDestinationComponentInfo.CreationName;
CManagedComponentWrapper destinationWrapper = destination.Instantiate();
destinationWrapper.ProvideComponentProperties();
destination.RuntimeConnectionCollection[0].ConnectionManager = DtsConvert.GetExtendedInterface(DefaultConnection);
destination.RuntimeConnectionCollection[0].ConnectionManagerID = DefaultConnection.ID;
destination.RuntimeConnectionCollection[0].Name = "IDbConnection";
destination.RuntimeConnectionCollection[0].Description = DefaultConnection.Description;
destinationWrapper.SetComponentProperty("CommandTimeout", 600);
destinationWrapper.SetComponentProperty("TableOrViewName", map.GetFullTableName());
destinationWrapper.AcquireConnections(null);
destinationWrapper.ReinitializeMetaData();
destinationWrapper.ReleaseConnections();
#endregion Destination
#region Pathing
IDTSPath100 path = dataFlow.PathCollection.New();
path.AttachPathAndPropagateNotifications(source.OutputCollection[0], destination.InputCollection[0]);
#endregion
#region Column Mapping
IDTSInput100 input = destination.InputCollection[0];
IDTSVirtualInput100 virtualInput = input.GetVirtualInput();
foreach (IDTSVirtualInputColumn100 vColumn in virtualInput.VirtualInputColumnCollection)
{
IDTSInputColumn100 vCol = destinationWrapper.SetUsageType(input.ID, virtualInput, vColumn.LineageID, vColumn.Name == "TERMINATOR" ? DTSUsageType.UT_IGNORED : DTSUsageType.UT_READWRITE);
if (vCol != null)
{
destinationWrapper.MapInputColumn(input.ID, vCol.ID, input.ExternalMetadataColumnCollection[vCol.Name].ID);
}
}
#endregion Column Mapping
return(executable);
}