public IGremlinQuery <TTarget> As <TTarget>(Func <IGremlinQuery <TElement>, StepLabel <TElement>, IGremlinQuery <TTarget> > continuation)
{
var stepLabel = new StepLabel <TElement>();
return(continuation(
this.As(stepLabel),
stepLabel));
}
internal static IGremlinQuery <T> AddStepLabelBinding <T>(this IGremlinQuery <T> query, Expression <Func <T, object> > memberExpression, StepLabel stepLabel)
{
var body = memberExpression.Body;
if (body is UnaryExpression && body.NodeType == ExpressionType.Convert)
{
body = ((UnaryExpression)body).Operand;
}
if (!(body is MemberExpression memberExpressionBody))
{
throw new ArgumentException();
}
return(new GremlinQueryImpl <T>(query.TraversalSourceName, query.Steps, query.StepLabelMappings.SetItem(memberExpressionBody.Member.Name, stepLabel), query.IdentifierFactory));
}
public static IGremlinQuery <T> As <T>(this IGremlinQuery <T> query, StepLabel <T> stepLabel)
{
return(query
.AddStep <T>("as", stepLabel));
}
public static IGremlinQuery <(T1, T2)> Select <T1, T2>(this IGremlinQuery query, StepLabel <T1> label1, StepLabel <T2> label2)
{
return(query
public static IGremlinQuery <T> Select <T>(this IGremlinQuery query, StepLabel <T> label)
{
return(query
.AddStep <T>("select", label));
}
public static IGremlinQuery <TSource> From <TSource, TStepLabel>(this IGremlinQuery <TSource> query, StepLabel <TStepLabel> stepLabel)
{
return(query
.AddStep <TSource>("from", stepLabel));
}
public IGremlinQuery <TElement> As(StepLabel <TElement> stepLabel)
{
return(this
.AddStep("as", stepLabel));
}
public IGremlinQuery <TStep> Select <TStep>(StepLabel <TStep> label)
{
return(this
.AddStep <TElement, TStep>("select", label));
}
public IGremlinQuery <TElement> From <TStepLabel>(StepLabel <TStepLabel> stepLabel)
{
return(this
.AddStep("from", stepLabel));
}