internal static WMatchPath GetMatchPath(GremlinMatchPath path)
{
return(new WMatchPath()
{
PathEdgeList = GetPathEdgeList(path),
Tail = GetPathTail(path)
});
}
internal static WSchemaObjectName GetPathSource(GremlinMatchPath path)
{
var edge = path.EdgeVariable as GremlinEdgeTableVariable;
if (edge.EdgeType == WEdgeType.InEdge)
{
return(GetSchemaObjectName(path.SinkVariable.GetVariableName()));
}
else
{
return(GetSchemaObjectName(path.SourceVariable?.GetVariableName()));
}
}
internal static List <Tuple <WSchemaObjectName, WEdgeColumnReferenceExpression> > GetPathEdgeList(GremlinMatchPath path)
{
return(new List <Tuple <WSchemaObjectName, WEdgeColumnReferenceExpression> >()
{
new Tuple <WSchemaObjectName, WEdgeColumnReferenceExpression>(
GetPathSource(path),
GetEdgeColumnReferenceExpr(path.EdgeVariable as GremlinEdgeTableVariable)
)
});
}
internal void AddPath(GremlinMatchPath path)
{
PathList.Add(path);
}