public bool FitsIntoExistingConstraintHierarchy(QCon constraint)
{
if (_field != null)
{
QField qf = constraint.GetField();
if (qf != null)
{
if (_field.Name() != null && !_field.Name().Equals(qf.Name()))
{
return(false);
}
}
}
if (i_classMetadata == null || constraint.IsNullConstraint())
{
return(true);
}
ClassMetadata classMetadata = constraint.GetYapClass();
if (classMetadata == null)
{
return(false);
}
classMetadata = i_classMetadata.GetHigherOrCommonHierarchy(classMetadata);
if (classMetadata == null)
{
return(false);
}
i_classMetadata = classMetadata;
return(true);
}
// FIXME: This method should go completely.
// We changed the code to create the QCandidates graph in two steps:
// (1) call fitsIntoExistingConstraintHierarchy to determine whether
// or not we need more QCandidates objects
// (2) add all constraints
// This method tries to do both in one, which results in missing
// constraints. Not all are added to all QCandiates.
// Right methodology is in
// QQueryBase#createCandidateCollection
// and
// QQueryBase#createQCandidatesList
internal bool TryAddConstraint(QCon a_constraint)
{
if (_field != null)
{
QField qf = a_constraint.GetField();
if (qf != null)
{
if (_field.Name() != null && !_field.Name().Equals(qf.Name()))
{
return(false);
}
}
}
if (i_classMetadata == null || a_constraint.IsNullConstraint())
{
AddConstraint(a_constraint);
return(true);
}
ClassMetadata yc = a_constraint.GetYapClass();
if (yc != null)
{
yc = i_classMetadata.GetHigherOrCommonHierarchy(yc);
if (yc != null)
{
i_classMetadata = yc;
AddConstraint(a_constraint);
return(true);
}
}
AddConstraint(a_constraint);
return(false);
}
public virtual QQueryBase.CreateCandidateCollectionResult CreateCandidateCollection
()
{
List4 candidatesList = CreateQCandidatesList();
bool checkDuplicates = false;
bool topLevel = true;
IEnumerator i = IterateConstraints();
while (i.MoveNext())
{
QCon constraint = (QCon)i.Current;
QCon old = constraint;
constraint = constraint.GetRoot();
if (constraint != old)
{
checkDuplicates = true;
topLevel = false;
}
ClassMetadata classMetadata = constraint.GetYapClass();
if (classMetadata == null)
{
break;
}
AddConstraintToCandidatesList(candidatesList, constraint);
}
return(new QQueryBase.CreateCandidateCollectionResult(candidatesList, checkDuplicates
, topLevel));
}
private List4 CreateQCandidatesList()
{
List4 candidatesList = null;
IEnumerator i = IterateConstraints();
while (i.MoveNext())
{
QCon constraint = (QCon)i.Current;
constraint = constraint.GetRoot();
ClassMetadata classMetadata = constraint.GetYapClass();
if (classMetadata == null)
{
continue;
}
if (ConstraintCanBeAddedToExisting(candidatesList, constraint))
{
continue;
}
QCandidates candidates = new QCandidates((LocalTransaction)_trans, classMetadata,
null);
candidatesList = new List4(candidatesList, candidates);
}
return(candidatesList);
}
public bool FitsIntoExistingConstraintHierarchy(QCon constraint)
{
if (_field != null)
{
QField qf = constraint.GetField();
if (qf != null)
{
if (_field.Name() != null && !_field.Name().Equals(qf.Name()))
{
return false;
}
}
}
if (i_classMetadata == null || constraint.IsNullConstraint())
{
return true;
}
ClassMetadata classMetadata = constraint.GetYapClass();
if (classMetadata == null)
{
return false;
}
classMetadata = i_classMetadata.GetHigherOrCommonHierarchy(classMetadata);
if (classMetadata == null)
{
return false;
}
i_classMetadata = classMetadata;
return true;
}
// FIXME: This method should go completely.
// We changed the code to create the QCandidates graph in two steps:
// (1) call fitsIntoExistingConstraintHierarchy to determine whether
// or not we need more QCandidates objects
// (2) add all constraints
// This method tries to do both in one, which results in missing
// constraints. Not all are added to all QCandiates.
// Right methodology is in
// QQueryBase#createCandidateCollection
// and
// QQueryBase#createQCandidatesList
internal bool TryAddConstraint(QCon a_constraint)
{
if (_field != null)
{
QField qf = a_constraint.GetField();
if (qf != null)
{
if (_field.Name() != null && !_field.Name().Equals(qf.Name()))
{
return false;
}
}
}
if (i_classMetadata == null || a_constraint.IsNullConstraint())
{
AddConstraint(a_constraint);
return true;
}
ClassMetadata yc = a_constraint.GetYapClass();
if (yc != null)
{
yc = i_classMetadata.GetHigherOrCommonHierarchy(yc);
if (yc != null)
{
i_classMetadata = yc;
AddConstraint(a_constraint);
return true;
}
}
AddConstraint(a_constraint);
return false;
}