//---------------------------------------------------------------------------
// @function:
// COperator::EfdaDeriveFromChildren
//
// @doc:
// Derive data access function property from child expressions
//
//---------------------------------------------------------------------------
IMDFunction::EFuncDataAcc
COperator::EfdaDeriveFromChildren
(
CExpressionHandle &exprhdl,
IMDFunction::EFuncDataAcc efdaDefault
)
{
IMDFunction::EFuncDataAcc efda = efdaDefault;
const ULONG ulArity = exprhdl.UlArity();
for (ULONG ul = 0; ul < ulArity; ul++)
{
IMDFunction::EFuncDataAcc efdaChild = exprhdl.PfpChild(ul)->Efda();
if (efdaChild > efda)
{
efda = efdaChild;
}
}
return efda;
}
//---------------------------------------------------------------------------
// @function:
// COperator::EfsDeriveFromChildren
//
// @doc:
// Derive stability function property from child expressions
//
//---------------------------------------------------------------------------
IMDFunction::EFuncStbl
COperator::EfsDeriveFromChildren
(
CExpressionHandle &exprhdl,
IMDFunction::EFuncStbl efsDefault
)
{
IMDFunction::EFuncStbl efs = efsDefault;
const ULONG ulArity = exprhdl.UlArity();
for (ULONG ul = 0; ul < ulArity; ul++)
{
IMDFunction::EFuncStbl efsChild = exprhdl.PfpChild(ul)->Efs();
if (efsChild > efs)
{
efs = efsChild;
}
}
return efs;
}
