internal override TOutput Accept <TInput, TOutput>(CellTreeVisitor <TInput, TOutput> visitor, TInput param)
{
switch (OpType)
{
case CellTreeOpType.IJ:
return(visitor.VisitInnerJoin(this, param));
case CellTreeOpType.LOJ:
return(visitor.VisitLeftOuterJoin(this, param));
case CellTreeOpType.Union:
return(visitor.VisitUnion(this, param));
case CellTreeOpType.FOJ:
return(visitor.VisitFullOuterJoin(this, param));
case CellTreeOpType.LASJ:
return(visitor.VisitLeftAntiSemiJoin(this, param));
default:
Debug.Fail("Unexpected optype: " + OpType);
// To satsfy the compiler
return(visitor.VisitInnerJoin(this, param));
}
}
internal override TOutput Accept <TInput, TOutput>(CellTreeVisitor <TInput, TOutput> visitor, TInput param)
{
return(visitor.VisitLeaf(this, param));
}
// Standard accept method for visitor pattern. TOutput is the return // type for visitor methods. internal abstract TOutput Accept <TInput, TOutput>(CellTreeVisitor <TInput, TOutput> visitor, TInput param);
