/// <summary>
/// Returns true if it added a new reocrd, false if updated a current record
/// </summary>
/// <param name="R"></param>
/// <param name="CM"></param>
/// <returns></returns>
public bool Merge(Record R, CompoundRecord CM)
{
// Check to see if it exists //
CompoundRecord cr;
bool b = this._cache.TryGetValue(R, out cr);
// If exists, then merge //
if (b == true)
{
this._Reducers.Merge(CM, cr);
}
else
{
this._cache.Add(R, CM);
}
return !b;
}
// Statics //
/// <summary>
/// Creates a compound record from a fat record; this is essentially the inverse of ToRecord
/// </summary>
/// <param name="R">A fat record to be transformed</param>
/// <param name="Sig">An array of index values that define the size of a sub-element of the compound record</param>
/// <returns>A compound record</returns>
public static CompoundRecord FromRecord(Record R, int[] Sig)
{
CompoundRecord cr = new CompoundRecord(Sig.Length);
int k = 0;
for (int i = 0; i < Sig.Length; i++)
{
List<Cell> c = new List<Cell>();
for (int j = 0; j < Sig[i]; j++)
{
c.Add(R[k]);
k++;
}
cr[i] = new Record(c.ToArray());
}
return cr;
}
public Record Evaluate(CompoundRecord WorkData)
{
List<Cell> c = new List<Cell>(this.Count);
for (int i = 0; i < this.Count; i++)
{
c.Add(this._cache[i].Evaluate(WorkData[i]));
}
return new Record(c.ToArray());
}
public void Merge(CompoundRecord WorkData, CompoundRecord MergeIntoWorkData)
{
for (int i = 0; i < this.Count; i++)
{
this._cache[i].Merge(WorkData[i], MergeIntoWorkData[i]);
}
}
public void Accumulate(CompoundRecord WorkData)
{
for (int i = 0; i < this.Count; i++)
{
this._cache[i].Accumulate(WorkData[i]);
}
}
public CompoundRecord Initialize()
{
CompoundRecord cr = new CompoundRecord(this.Count);
for (int i = 0; i < this.Count; i++)
{
cr[i] = this._cache[i].Initialize();
}
return cr;
}