public IGremlinQueryBase Apply(IGremlinQueryBase query)
{
var environment = query.AsAdmin().Environment;
var anonymous = GremlinQuery.Anonymous(environment);
var vertexCriterionTraversal = _vertexCriterion(anonymous.AsAdmin().ChangeQueryType <IVertexGremlinQuery <object> >());
var edgeCriterionTraversal = _edgeCriterion(anonymous.AsAdmin().ChangeQueryType <IEdgeGremlinQuery <object> >());
if (vertexCriterionTraversal.AsAdmin().Steps.Count > 0 || edgeCriterionTraversal.AsAdmin().Steps.Count > 0)
{
var strategy = GremlinQuery.Create <object>(environment)
.AddStep(BuildStep.Instance);
if (vertexCriterionTraversal.AsAdmin().Steps.Count > 0)
{
strategy = strategy.AddStep(new VerticesStep(vertexCriterionTraversal));
}
if (edgeCriterionTraversal.AsAdmin().Steps.Count > 0)
{
strategy = strategy.AddStep(new EdgesStep(edgeCriterionTraversal));
}
return(query
.AddStep(new WithStrategiesStep(strategy.AddStep(CreateStep.Instance))));
}
return(query);
}
private IGremlinQueryBase Create()
{
var startQuery = Volatile.Read(ref _startQuery);
if (startQuery != null)
{
return(startQuery);
}
IGremlinQueryBase ret = GremlinQuery.Create <object>(Environment);
if (!ExcludedStrategyTypes.IsEmpty)
{
ret = ret.AddStep(new WithoutStrategiesStep(ExcludedStrategyTypes.ToArray()));
}
foreach (var strategy in IncludedStrategies)
{
ret = strategy.Apply(ret);
}
return(Interlocked.CompareExchange(ref _startQuery, ret, null) ?? ret);
}