public virtual IGraphQueryStep Visit(IGraphQueryStep root)
{
_token.ThrowIfCancellationRequested();
switch (root)
{
case QueryQueryStep qqs:
return(VisitQueryQueryStep(qqs));
case EdgeQueryStep eqs:
return(VisitEdgeQueryStep(eqs));
case CollectionDestinationQueryStep cdqs:
return(VisitCollectionDestinationQueryStep(cdqs));
case IntersectionQueryStep <Except> iqse:
return(VisitIntersectionQueryStepExcept(iqse));
case IntersectionQueryStep <Union> iqsu:
return(VisitIntersectionQueryStepUnion(iqsu));
case IntersectionQueryStep <Intersection> iqsi:
return(VisitIntersectionQueryStepIntersection(iqsi));
case RecursionQueryStep rqs:
return(VisitRecursionQueryStep(rqs));
default:
throw new NotSupportedException($"Unexpected type {root.GetType().Name} for QueryPlanRewriter.Visit");
}
}
public virtual async Task VisitAsync(IGraphQueryStep root)
{
switch (root)
{
case QueryQueryStep qqs:
VisitQueryQueryStep(qqs);
return;
case EdgeQueryStep eqs:
await VisitEdgeQueryStepAsync(eqs);
return;
case CollectionDestinationQueryStep cdqs:
VisitCollectionDestinationQueryStep(cdqs);
return;
case IntersectionQueryStep <Except> iqse:
await VisitIntersectionQueryStepExceptAsync(iqse);
return;
case IntersectionQueryStep <Union> iqsu:
await VisitIntersectionQueryStepUnionAsync(iqsu);
return;
case IntersectionQueryStep <Intersection> iqsi:
await VisitIntersectionQueryStepIntersectionAsync(iqsi);
return;
case RecursionQueryStep rqs:
await VisitRecursionQueryStepAsync(rqs);
return;
default:
throw new NotSupportedException($"Unexpected type {root.GetType().Name} for QueryPlanVisitor.Visit");
}
}
