public override void VisitAfter(NotPredicate notPredicate)
{
if (IsPlaceHolderPredicate(notPredicate.Operand))
{
notPredicate.Operand = PlaceInNot((PlaceHolderPredicate)notPredicate.Operand);
}
}
public override void VisitAfter(NotPredicate notPredicate)
{
if (this.IsNotInMainResultsSource())
{
return;
}
--_notNestLevel;
}
public override void VisitOnElsIf(IfStmt ifStmt, int ifThenIndex, int offset)
{
if (_topIfStmt != ifStmt)
{
return;
}
// ELSE(ELSIF)において、スタックの1番上の式を否定し、これをスタックに戻す
var lastCondition = _conditionStack.Pop();
var lastNotCondition = new NotPredicate(this.EncloseIfNecessary(lastCondition));
_conditionStack.Push(lastNotCondition);
// IFにおいて条件式をスタックにPUSHする
_conditionStack.Push(this.EncloseIfNecessary(ifStmt.Conditions[ifThenIndex]));
}
public override void VisitOnElse(IfStmt ifStmt, int offset)
{
if (_topIfStmt != ifStmt)
{
return;
}
// ELSE(ELSIF)において、スタックの1番上の式を否定し、これをスタックに戻す
var lastCondition = _conditionStack.Pop();
var lastNotCondition = new NotPredicate(this.EncloseIfNecessary(lastCondition));
_conditionStack.Push(lastNotCondition);
// 条件式とSQL文をリストに格納する
_conditions.Add(this.ConcatConditions(_conditionStack));
_stmtsList.Add(this.RemoveNullStmt(ifStmt.ElseStatements));
}
virtual public void VisitAfter(NotPredicate notPredicate)
{
}
virtual public void VisitBefore(NotPredicate notPredicate)
{
}
public override void VisitAfter(NotPredicate notPredicate)
{
}
public override void VisitAfter(NotPredicate notPredicate)
{
--_predicateLevel;
}
public override void VisitBefore(NotPredicate notPredicate)
{
++_predicateLevel;
}
public void VisitAfter(NotPredicate notPredicate)
{
_visitor.VisitAfter(notPredicate);
}
public void VisitBefore(NotPredicate notPredicate)
{
_visitor.VisitBefore(notPredicate);
}
