/**
* Adds the given projection.
*
* @param projection the projection to add
* @return this
*/
public IExitOperationsCollector AddProjection(IProjection projection)
{
if (projection.GetType().IsAssignableFrom(distinct.GetType()))
{
this.distinct = (Distinct)projection;
//TODO: Distinct doesn't work yet
log.Error("Distinct is not ready yet");
throw new NotSupportedException();
}
if (projection.GetType().IsAssignableFrom(rowCountProjection.GetType()))
{
rowCountProjection = (RowCountProjection)projection;
}
if (projection.GetType().IsAssignableFrom(aggregateProjection.GetType()))
{
if (projection.ToString().ToLower().StartsWith("avg"))
{
this.avgProjection = (AggregateProjection)projection;
}
else
{
this.aggregateProjection = (AggregateProjection)projection;
}
}
else
{
log.Error("Adding an unsupported Projection: " + projection.GetType().Name);
throw new NotSupportedException();
}
return(this);
}