private void RenameColsViewInternal(Matrix <TRowKey, TColKey, TValue> parentMatrix, IEnumerable <KeyValuePair <TColKey, TColKey> > newNameAndOldNameSequence)
{
NewKeyToOldKey = newNameAndOldNameSequence.ToDictionary(pair => pair.Key, pair => pair.Value).AsRestrictedAccessDictionary();
var unmatchedCols = NewKeyToOldKey.Values.Except(parentMatrix.ColKeys).ToList();
Helper.CheckCondition(unmatchedCols.Count == 0, Properties.Resource.ExpectedEveryRemappedColKeyToBeInOriginalMatrix, unmatchedCols.StringJoin(","));
ParentMatrix = parentMatrix;
_colKeys = NewKeyToOldKey.Select(pair => pair.Key).ToList().AsReadOnly();
_indexOfColKey = _colKeys.Select((key, idx) => new KeyValuePair <TColKey, int>(key, idx)).ToDictionary(kvp => kvp.Key, kvp => kvp.Value).AsRestrictedAccessDictionary();
NewIndexToOldIndex =
(
from newIndex in Enumerable.Range(0, ColCount)
let newKey = ColKeys[newIndex]
let oldKey = NewKeyToOldKey[newKey]
let oldIndex = parentMatrix.IndexOfColKey[oldKey]
select oldIndex
).ToList().AsReadOnly();
}
private void TryGetOldColName(TColKey colKey, out TColKey oldColKey)
{
NewKeyToOldKey.TryGetValue(colKey, out oldColKey);
}
private bool TryGetOldColName(TColKey colKey, out TColKey oldColKey)
{
return(NewKeyToOldKey.TryGetValue(colKey, out oldColKey));
}
