//private List<ISExternalMetadataColumn> _externalMetadataColumnCollection = new List<ISExternalMetadataColumn>();
//public List<ISExternalMetadataColumn> ExternalMetadataColumnCollection
//{
// get
// {
// _externalMetadataColumnCollection.Clear();
// foreach (IDTSExternalMetadataColumn100 emc in ExternalMetadataColumnCollection_m)
// {
// _externalMetadataColumnCollection.Add(new ISExternalMetadataColumn(emc));
// }
// return _externalMetadataColumnCollection;
// }
//}
#endregion
#region ColumnCollection
//public List<ISOutputColumn> ColumnCollection
//{
// get
// {
// List<ISOutputColumn> _outputColumns = new List<ISOutputColumn>();
// foreach (IDTSOutputColumn100 col in Output.OutputColumnCollection)
// {
// _outputColumns.Add(new ISOutputColumn(ParentComponent, Output.Name, col.Name));
// }
// return _outputColumns;
// }
// set
// {
// }
//}
#endregion
#endregion
#region ctor
public ISOutput(ISPipelineComponent parentComponent, int outputIndex = 0)
{
ParentComponent = parentComponent;
if (ParentComponent.ComponentMetaData.OutputCollection.Count > 0)
{
Output = ParentComponent.GetOutputFromIndex(outputIndex);
}
}
/// <summary>
/// A ctor that accepts a parent data fllow, a name for the component and the previous component (and output) to which this is connected
/// </summary>
public ISScriptComponent(ISDataFlowTask parentDataFlowTask, string componentname, ISPipelineComponent sourceComponent, ISOutput sourceOutput, int thisComponentInput = 0) :
this(parentDataFlowTask, componentname)
{
if (sourceOutput != null)
{
ConnectToAnotherPipelineComponent(sourceComponent.Name, sourceOutput.Name, thisComponentInput);
}
else
{
ConnectToAnotherPipelineComponent(sourceComponent.Name, sourceComponent.GetOutputFromIndex(0).Name, thisComponentInput);
}
}
/// <summary>
/// First check if an Output with the given name exists on the Component.
/// If it exists, then assign that output to the Output property
/// If it does not exist:
/// Check if more outputs can be added or not.
/// If more outputs can be added, then add a new output
/// If more outputs cannot be added, then assign the first (non error ) output in the component's collection to the Output property
/// </summary>
/// <param name="parentComponent"></param>
/// <param name="name"></param>
public ISOutput(ISPipelineComponent parentComponent, string name, int referenceOutputIndex = 0, InsertPlacement beforeOrAfter = InsertPlacement.IP_BEFORE)
{
ParentComponent = parentComponent;
bool outputExists = false;
for (int i = 0; i < ParentComponent.ComponentMetaData.OutputCollection.Count; i++)
{
if (ParentComponent.ComponentMetaData.OutputCollection[i].Name == name)
{
Output = ParentComponent.ComponentMetaData.OutputCollection[i];
outputExists = true;
}
}
// check if more outputs can be added
int existingOutputCount = parentComponent.ComponentMetaData.OutputCollection.Count;
if (ParentComponent._numberOfOutputsAllowed == -1)
{
if (!(outputExists))
{
Output = parentComponent.DesignTimeComponent.InsertOutput(DtsUtility.EnumAToEnumB <InsertPlacement, DTSInsertPlacement>(beforeOrAfter), ParentComponent.GetOutputFromIndex(referenceOutputIndex).ID);
Name = name;
}
}
else
{
if (existingOutputCount < parentComponent._numberOfOutputsAllowed)
{
if (!(outputExists))
{
Output = parentComponent.DesignTimeComponent.InsertOutput(DTSInsertPlacement.IP_BEFORE, ParentComponent.GetOutputFromIndex(referenceOutputIndex).ID);
Name = name;
}
}
else
{
if (!outputExists)
{
Console.WriteLine("WARN::: Only {1} output(s) are allowed. A new output with the name '{0}' cannot be added. Therefore, the name '{0}' is assigned to the first non error output in the collection", name, existingOutputCount.ToString());
Output = parentComponent.ComponentMetaData.OutputCollection[0];
Name = name;
}
}
}
}