public static SequenceNode Create(params QueryPlanNode[] nodes) { var sequence = new SequenceNode(); foreach (QueryPlanNode node in nodes) { sequence.AddNode(node); } return(sequence); }
public static OperationNode Build(QueryPlanContext context) { var root = new SequenceNode { CancelOnError = true }; context.Root = root; context.NodePath.Push(root); foreach (ISelection mutation in context.Operation.GetRootSelectionSet().Selections) { context.SelectionPath.Push(mutation); var mutationStep = new ResolverNode( mutation, context.SelectionPath.PeekOrDefault(), GetStrategyFromSelection(mutation)); root.AddNode(mutationStep); QueryStrategy.VisitChildren(mutation, context); } context.NodePath.Pop(); QueryPlanNode optimized = QueryStrategy.Optimize(context.Root); var operationNode = new OperationNode(optimized); if (context.Deferred.Count > 0) { foreach (var deferred in QueryStrategy.BuildDeferred(context)) { operationNode.Deferred.Add(deferred); } } if (context.Streams.Count > 0) { operationNode.Streams.AddRange(context.Streams.Values); } return(operationNode); }