internal virtual void EvaluatePending(QCandidate a_root, QPending a_pending, int
a_secondResult)
{
bool res = i_evaluator.Not(i_and ? ((a_pending._result + a_secondResult) > 0) : (
a_pending._result + a_secondResult) > QPending.False);
if (HasJoins())
{
IEnumerator i = IterateJoins();
while (i.MoveNext())
{
Db4objects.Db4o.Internal.Query.Processor.QConJoin qcj = (Db4objects.Db4o.Internal.Query.Processor.QConJoin
)i.Current;
a_root.Evaluate(new QPending(qcj, this, res));
}
}
else
{
if (!res)
{
Constraint1().DoNotInclude(a_root);
Constraint2().DoNotInclude(a_root);
}
}
}
internal QPending(QConJoin a_join, QCon a_constraint, bool a_firstResult)
{
// Constants, so QConJoin.evaluatePending is made easy:
_join = a_join;
_constraint = a_constraint;
_result = a_firstResult ? True : False;
}
internal QPending(QConJoin a_join, QCon a_constraint, bool a_firstResult)
{
// Constants, so QConJoin.evaluatePending is made easy:
_join = a_join;
_constraint = a_constraint;
_result = a_firstResult ? True : False;
}
internal virtual void AddJoin(QConJoin a_join)
{
if (i_joins == null)
{
i_joins = new Collection4();
}
i_joins.Add(a_join);
}
internal virtual void AddJoin(QConJoin a_join)
{
if (i_joins == null)
{
i_joins = new Collection4();
}
i_joins.Add(a_join);
}
public object Apply(object obj)
{
QCon constr = (QCon)obj;
IEnumerator joinIter = constr.IterateJoins();
while (joinIter.MoveNext())
{
QConJoin join = (QConJoin)joinIter.Current;
if (join.IsOr())
{
return(true);
}
}
return(false);
}
private Collection4 CollectJoinsToBeRemoved()
{
Collection4 toBeRemoved = new Collection4();
IEnumerator joinIter = IterateJoins();
while (joinIter.MoveNext())
{
QConJoin join = (QConJoin)joinIter.Current;
if (join.RemoveForParent(this))
{
toBeRemoved.Add(join);
}
}
return(toBeRemoved);
}
// Our QConPath objects are just placeholders to fields,
// so the parents are reachable.
// If we find a "real" constraint, we throw the QPath
// out and replace it with the other constraint.
private void Morph(BooleanByRef removeExisting, QCon newConstraint, IReflectClass
claxx)
{
bool mayMorph = true;
if (claxx != null)
{
ClassMetadata yc = i_trans.Container().ProduceClassMetadata(claxx);
if (yc != null)
{
IEnumerator i = IterateChildren();
while (i.MoveNext())
{
QField qf = ((QCon)i.Current).GetField();
if (!yc.HasField(i_trans.Container(), qf.Name()))
{
mayMorph = false;
break;
}
}
}
}
// }
if (mayMorph)
{
IEnumerator j = IterateChildren();
while (j.MoveNext())
{
newConstraint.AddConstraint((QCon)j.Current);
}
if (HasJoins())
{
IEnumerator k = IterateJoins();
while (k.MoveNext())
{
QConJoin qcj = (QConJoin)k.Current;
qcj.ExchangeConstraint(this, newConstraint);
newConstraint.AddJoin(qcj);
}
}
i_parent.ExchangeConstraint(this, newConstraint);
removeExisting.value = true;
}
else
{
i_parent.AddConstraint(newConstraint);
}
}
internal virtual IConstraint Join1(QCon
a_with, bool a_and)
{
if (a_with is QConstraints)
{
var j = 0;
var joinHooks = new Collection4();
var constraints = ((QConstraints)a_with).ToArray();
for (j = 0; j < constraints.Length; j++)
{
joinHooks.Ensure(((QCon)constraints[j]).
JoinHook());
}
var joins = new IConstraint[joinHooks.Size()];
j = 0;
var i = joinHooks.GetEnumerator();
while (i.MoveNext())
{
joins[j++] = Join((IConstraint)i.Current, a_and);
}
return(new QConstraints(i_trans, joins));
}
var myHook = JoinHook();
var otherHook = a_with.JoinHook();
if (myHook == otherHook)
{
// You might like to check out, what happens, if you
// remove this line. It seems to open a bug in an
// StOr testcase.
return(myHook);
}
var cj = new QConJoin(i_trans, myHook, otherHook, a_and);
myHook.AddJoin(cj);
otherHook.AddJoin(cj);
return(cj);
}
internal virtual IConstraint Join1(Db4objects.Db4o.Internal.Query.Processor.QCon
a_with, bool a_and)
{
if (a_with is QConstraints)
{
int j = 0;
Collection4 joinHooks = new Collection4();
IConstraint[] constraints = ((QConstraints)a_with).ToArray();
for (j = 0; j < constraints.Length; j++)
{
joinHooks.Ensure(((Db4objects.Db4o.Internal.Query.Processor.QCon)constraints[j]).
JoinHook());
}
IConstraint[] joins = new IConstraint[joinHooks.Size()];
j = 0;
IEnumerator i = joinHooks.GetEnumerator();
while (i.MoveNext())
{
joins[j++] = Join((IConstraint)i.Current, a_and);
}
return new QConstraints(i_trans, joins);
}
Db4objects.Db4o.Internal.Query.Processor.QCon myHook = JoinHook();
Db4objects.Db4o.Internal.Query.Processor.QCon otherHook = a_with.JoinHook();
if (myHook == otherHook)
{
// You might like to check out, what happens, if you
// remove this line. It seems to open a bug in an
// StOr testcase.
return myHook;
}
QConJoin cj = new QConJoin(i_trans, myHook, otherHook, a_and);
myHook.AddJoin(cj);
otherHook.AddJoin(cj);
return cj;
}
private QCon FindLeafForJoin(QConJoin join)
{
if (join.Constraint1() is QConObject)
{
return join.Constraint1();
}
QCon con = join.Constraint2();
if (con is QConObject)
{
return con;
}
return FindLeafForJoin((QConJoin)con);
}
private IIndexedNodeWithRange NewNodeForConstraint(QConJoin join)
{
IIndexedNodeWithRange c1 = NodeForConstraint(join.Constraint1());
IIndexedNodeWithRange c2 = NodeForConstraint(join.Constraint2());
if (join.IsOr())
{
return new OrIndexedLeaf(FindLeafForJoin(join), c1, c2);
}
return new AndIndexedLeaf(join.Constraint1(), c1, c2);
}
private void CollectLeavesFromJoin(Collection4 leaves, QConJoin join)
{
CollectLeavesFromJoinConstraint(leaves, join.Constraint1());
CollectLeavesFromJoinConstraint(leaves, join.Constraint2());
}
internal virtual void RemoveJoin(QConJoin a_join)
{
i_joins.Remove(a_join);
CheckLastJoinRemoved();
}
internal virtual void RemoveJoin(QConJoin a_join)
{
i_joins.Remove(a_join);
CheckLastJoinRemoved();
}
