internal void AddTuplesToRelation()
{
RelationObject relationObjectToAddTupleTo = relationService.GetRelation(Parent.RelationshipNameForTuple);
IList<TupleCellObject> tupleCellsToBeAddedToTuple = new List<TupleCellObject>();
TupleObject tupleToBeAdded = new TupleObject();
string curSymbol = string.Empty;
foreach (AttributeObject attr in relationObjectToAddTupleTo.RelationAttributes)
{
curSymbol = QueryParser.FindNextSymbol();
queryService.EnsureCurrentSymbolIsNotAKeyWord(curSymbol);
string convertedSizeOfCurSymbol = string.Empty;
TupleCellObject currentTupleCellToAdd = new TupleCellObject();
ConfirmTupleValueMatchesAttributeType(attr, curSymbol);
convertedSizeOfCurSymbol = CropValueToSize(attr, curSymbol);
currentTupleCellToAdd.AttributeAssociatedWithCell = attr;
currentTupleCellToAdd.Value = convertedSizeOfCurSymbol;
tupleCellsToBeAddedToTuple.Add(currentTupleCellToAdd);
}
if(tupleCellsToBeAddedToTuple.Count != relationObjectToAddTupleTo.RelationAttributes.Count)
{
ErrorHandlerSURLY.TupleErrors.NotAllAttributesSatisfied(curSymbol);
}
tupleToBeAdded.TupleCells = tupleCellsToBeAddedToTuple;
relationObjectToAddTupleTo.RelationsTuples.Add(tupleToBeAdded);
}
private TupleObject AddTupleExceptForAttributeList2Items(TupleObject currentTuple1, TupleObject currentTuple2)
{
TupleObject tupleToReturn = new TupleObject();
foreach (TupleCellObject tupleCell in currentTuple1.TupleCells)
{
tupleToReturn.TupleCells.Add(tupleCell);
}
foreach(TupleCellObject tupleCell in currentTuple2.TupleCells)
{
if(!this.AttributeList2.Contains(tupleCell.AttributeAssociatedWithCell))
{
tupleToReturn.TupleCells.Add(tupleCell);
}
}
return tupleToReturn;
}
private void EnsureTupleMatchesJoinedRelationAttributes(RelationObject joinedRelation, TupleObject tupleToAddToJoinedRelation)
{
AttributeObject[] attributesFromJoinedRelation = joinedRelation.RelationAttributes.ToArray();
TupleCellObject[] tupleCellsFromTupleToAddToJoinedRelation = tupleToAddToJoinedRelation.TupleCells.ToArray();
for(int i = 0; i < attributesFromJoinedRelation.Length; i++)
{
if(attributesFromJoinedRelation[i] != tupleCellsFromTupleToAddToJoinedRelation[i].AttributeAssociatedWithCell)
{
ErrorHandlerSURLY.JoinErrors.JoinAttributesAndTupleAttributesDidNotMatch(this.JoinRelation1, this.JoinRelation2, joinedRelation);
}
}
}
