private GremlinPathVariable generatePath(GremlinToSqlContext currentContext, List <GraphTraversal2> byList = null)
{
List <GremlinToSqlContext> byContexts = new List <GremlinToSqlContext>();
List <GremlinPathStepVariable> steps = currentContext.GetGremlinStepList();
if (byList == null)
{
byList = new List <GraphTraversal2> {
GraphTraversal2.__()
};
}
foreach (var by in byList)
{
GremlinToSqlContext newContext = new GremlinToSqlContext();
GremlinDecompose1Variable decompose1 = new GremlinDecompose1Variable(steps);
newContext.VariableList.Add(decompose1);
newContext.TableReferences.Add(decompose1);
newContext.SetPivotVariable(decompose1);
by.GetStartOp().InheritedContextFromParent(newContext);
byContexts.Add(by.GetEndOp().GetContext());
}
GremlinPathVariable newVariable = new GremlinPathVariable(steps, byContexts);
currentContext.VariableList.Add(newVariable);
currentContext.TableReferences.Add(newVariable);
return(newVariable);
}
//internal virtual void PageRank()
//internal virtual void PageRank(double alpha)
internal virtual void Path(GremlinToSqlContext currentContext)
{
GremlinPathVariable newVariable = new GremlinPathVariable(currentContext.GetGremlinStepList());
currentContext.VariableList.Add(newVariable);
currentContext.TableReferences.Add(newVariable);
currentContext.SetPivotVariable(newVariable);
}
//internal virtual void ToE(GremlinToSqlContext currentContext, Direction direction, params string[] edgeLabels)
//internal virtual void ToV(GremlinToSqlContext currentContext, Direction direction)
internal virtual void Tree(GremlinToSqlContext currentContext)
{
GremlinPathVariable pathVariable = new GremlinPathVariable(currentContext.GetGremlinStepList());
currentContext.VariableList.Add(pathVariable);
currentContext.TableReferences.Add(pathVariable);
GremlinTreeVariable newVariable = new GremlinTreeVariable(currentContext.Duplicate(), pathVariable);
currentContext.Reset();
currentContext.VariableList.Add(newVariable);
currentContext.TableReferences.Add(newVariable);
currentContext.SetPivotVariable(newVariable);
}
