/// <summary>
/// Untransforms, if necessary, a List of values previously
/// transformed by this (or an equivalent) CacheableResultTransformer.
/// Each element of the list is untransformed in place (i.e, List
/// elements are replaced with untransformed values) and the original
/// List is returned.
/// <para>
/// If not unnecessary, the original List is returned
/// unchanged.
/// </para>
/// </summary>
/// <remarks>
/// NOTE: If transformed values are a subset of the original
/// tuple, then, on return, elements corresponding to
/// excluded tuple elements will be null.
/// </remarks>
/// <param name="results">Results that were previously transformed.</param>
/// <returns>results, with each element untransformed (if necessary).</returns>
public IList UntransformToTuples(IList results)
{
if (_includeInTuple == null)
{
throw new InvalidOperationException("This transformer is not initialized");
}
if (_includeInTransformIndex == null)
{
results = _actualTransformer.UntransformToTuples(
results,
_tupleSubsetLength == 1
);
}
else
{
for (int i = 0; i < results.Count; i++)
{
object[] tuple = _actualTransformer.UntransformToTuple(
results[i], _tupleSubsetLength == 1);
results[i] = Unindex(tuple);
}
}
return(results);
}
/// <summary>
/// Untransforms, if necessary, a List of values previously
/// transformed by this (or an equivalent) CacheableResultTransformer.
/// Each element of the list is untransformed in place (i.e, List
/// elements are replaced with untransformed values) and the original
/// List is returned.
/// <para>
/// If not unnecessary, the original List is returned
/// unchanged.
/// </para>
/// </summary>
/// <remarks>
/// NOTE: If transformed values are a subset of the original
/// tuple, then, on return, elements corresponding to
/// excluded tuple elements will be null.
/// </remarks>
/// <param name="results">Results that were previously transformed.</param>
/// <returns>results, with each element untransformed (if necessary).</returns>
public IList UntransformToTuples(IList results)
{
if (_includeInTransformIndex == null)
{
results = _actualTransformer.UntransformToTuples(
results,
_tupleSubsetLength == 1
);
}
else
{
for (int i = 0; i < results.Count; i++)
{
object[] tuple = _actualTransformer.UntransformToTuple(
results[i], _tupleSubsetLength == 1);
results[i] = Unindex(tuple);
}
}
return(results);
}