private static bool IsMemberPartOfNotNullCondition(IEnumerable <LeftCellWrapper> wrappers, MemberPath leftMember, ViewTarget viewTarget)
{
foreach (var leftCellWrapper in wrappers)
{
CellQuery leftCellQuery = leftCellWrapper.OnlyInputCell.GetLeftQuery(viewTarget);
if (HasNotNullCondition(leftCellQuery, leftMember))
{
return(true);
}
//Now figure out corresponding right side MemberPath
CellQuery rightCellQuery = leftCellWrapper.OnlyInputCell.GetRightQuery(viewTarget);
int indexOfMemberInProjection = leftCellQuery.GetProjectedMembers().TakeWhile(path => !path.Equals(leftMember)).Count();
//Member with condition is projected, so check opposite CellQuery's condition
if (indexOfMemberInProjection < leftCellQuery.GetProjectedMembers().Count())
{
MemberPath rightmember = ((MemberProjectedSlot)rightCellQuery.ProjectedSlotAt(indexOfMemberInProjection)).MemberPath;
if (HasNotNullCondition(rightCellQuery, rightmember))
{
return(true);
}
}
}
return(false);
}
private static bool IsMemberPartOfNotNullCondition(
IEnumerable <LeftCellWrapper> wrappers,
MemberPath leftMember,
ViewTarget viewTarget)
{
foreach (LeftCellWrapper wrapper in wrappers)
{
CellQuery leftQuery = wrapper.OnlyInputCell.GetLeftQuery(viewTarget);
if (ErrorPatternMatcher.HasNotNullCondition(leftQuery, leftMember))
{
return(true);
}
CellQuery rightQuery = wrapper.OnlyInputCell.GetRightQuery(viewTarget);
int slotNum = leftQuery.GetProjectedMembers().TakeWhile <MemberPath>((Func <MemberPath, bool>)(path => !path.Equals(leftMember))).Count <MemberPath>();
if (slotNum < leftQuery.GetProjectedMembers().Count <MemberPath>())
{
MemberPath memberPath = ((MemberProjectedSlot)rightQuery.ProjectedSlotAt(slotNum)).MemberPath;
if (ErrorPatternMatcher.HasNotNullCondition(rightQuery, memberPath))
{
return(true);
}
}
}
return(false);
}
private void CheckThatConditionMemberIsNotMapped(MemberPath conditionMember, List <LeftCellWrapper> mappingFragments, Set <MemberPath> mappedConditionMembers)
{
//Make sure memberPath is not mapped (in any other cells)
foreach (var anotherFragment in mappingFragments)
{
foreach (var anotherCell in anotherFragment.Cells)
{
CellQuery anotherCellQuery = anotherCell.GetLeftQuery(m_viewgenContext.ViewTarget);
if (anotherCellQuery.GetProjectedMembers().Contains(conditionMember))
{
mappedConditionMembers.Add(conditionMember);
//error condition memer is projected somewhere
m_errorLog.AddEntry(new ErrorLog.Record(true, ViewGenErrorCode.ErrorPatternConditionError, Strings.Viewgen_ErrorPattern_ConditionMemberIsMapped(conditionMember.ToString()), anotherCell, ""));
}
}
}
}
public static FragmentQuery Create(BoolExpression fromVariable, CellQuery cellQuery)
{
BoolExpression whereClause = cellQuery.WhereClause;
whereClause = whereClause.MakeCopy();
whereClause.ExpensiveSimplify();
return(new FragmentQuery(null /*label*/, fromVariable, new HashSet <MemberPath>(cellQuery.GetProjectedMembers()), whereClause));
}
public static FragmentQuery Create(
BoolExpression fromVariable,
CellQuery cellQuery)
{
BoolExpression condition = cellQuery.WhereClause.MakeCopy();
condition.ExpensiveSimplify();
return(new FragmentQuery((string)null, fromVariable, (IEnumerable <MemberPath>) new HashSet <MemberPath>(cellQuery.GetProjectedMembers()), condition));
}
