//Similar code above but doesn't pad out a variable's line until it needs to
/// <summary>
/// Create a DenseStructMatrix from a sequences of RowKeyColKeyValue triples.
/// </summary>
/// <param name="tripleEnumerable">The squences of RowKeyColKeyValue triples</param>
public void GetInstanceFromSparseInternal(IEnumerable <RowKeyColKeyValue <string, string, TValue> > tripleEnumerable)
{
ColSerialNumbers = new SerialNumbers <string>();
RowKeyToStoreList = new Dictionary <string, List <TStore> >();
foreach (var triple in tripleEnumerable)
{
string rowKey = triple.RowKey;
List <TStore> storeList;
if (!RowKeyToStoreList.TryGetValue(rowKey, out storeList))
{
storeList = Enumerable.Repeat(StoreMissingValue, ColSerialNumbers.Count).ToList();
RowKeyToStoreList[rowKey] = storeList;
}
string colKey = triple.ColKey;
TValue value = triple.Value;
TStore store = ValueToStore(value);
Helper.CheckCondition(!store.Equals(StoreMissingValue), "Vals cannot covert to '" + StoreMissingValue.ToString() + "'");
int colIndex = ColSerialNumbers.GetNewOrOld(colKey);
if (colIndex < storeList.Count)
{
storeList[colIndex] = store;
}
else
{
while (colIndex > storeList.Count)
{
storeList.Add(StoreMissingValue);
}
Helper.CheckCondition(colIndex == storeList.Count, "real assert");
storeList.Add(store);
}
}
foreach (var storeList in RowKeyToStoreList.Values)
{
storeList.TrimExcess();
}
_rowKeys = RowKeyToStoreList.Keys.ToList();
_indexOfRowKey = RowKeys.Select((key, index) => new { key, index }).ToDictionary(keyAndIndex => keyAndIndex.key, keyAndIndex => keyAndIndex.index);
}
internal void GetInstanceFromSparseInternal(string inputSparsePattern)
{
ColSerialNumbers = new SerialNumbers <string>();
RowKeyToStoreList = new Dictionary <string, List <TStore> >();
//!!!05/18/2009 optimize could be made faster with plinq using an index read to keep the order of the rowKeys (aka vars)
foreach (List <string[]> linesWithSameRowKey in SparseGroupedByVar(inputSparsePattern, /*zeroIsOK*/ false, "File {0}"))
{
Debug.Assert(linesWithSameRowKey.Count > 0); // real assert
string rowKey = linesWithSameRowKey[0][0];
List <TStore> storeList = Enumerable.Repeat(StoreMissingValue, ColSerialNumbers.Count).ToList();
RowKeyToStoreList.Add(rowKey, storeList);
foreach (string[] rowKeyColKeyVal in linesWithSameRowKey)
{
string colKey = rowKeyColKeyVal[1];
string valAsString = rowKeyColKeyVal[2];
TStore store = SparseValToStore(valAsString);
Helper.CheckCondition(!store.Equals(StoreMissingValue), "Vals cannot covert to '" + StoreMissingValue.ToString() + "'"); //OK to use Equals because TScore can't be null
int colIndex = ColSerialNumbers.GetNewOrOld(colKey);
if (colIndex < storeList.Count)
{
storeList[colIndex] = store;
}
else
{
Helper.CheckCondition(colIndex == storeList.Count, "the input data should be grouped by var");
storeList.Add(store);
}
}
storeList.TrimExcess();
}
_rowKeys = RowKeyToStoreList.Keys.ToList();
_indexOfRowKey = RowKeys.Select((key, index) => new { key, index }).ToDictionary(keyAndIndex => keyAndIndex.key, keyAndIndex => keyAndIndex.index);
}
