public PlanFragment(
PlanFragmentId id,
PlanNode root,
IDictionary <string, string> symbols,
PartitioningHandle partitioning,
IEnumerable <PlanNodeId> partitionedSources,
PartitioningScheme partitioningScheme,
PipelineExecutionStrategy pipelineExecutionStrategy
)
{
this.Id = id ?? throw new ArgumentNullException("id");
this.Root = root ?? throw new ArgumentNullException("root");
this.Symbols = symbols ?? throw new ArgumentNullException("symbols");
this.Partitioning = partitioning ?? throw new ArgumentNullException("partitioning");
this.PartitionedSources = partitionedSources ?? throw new ArgumentNullException("partitionedSources");
this.PipelineExecutionStrategy = pipelineExecutionStrategy;
this.PartitioningScheme = partitioningScheme ?? throw new ArgumentNullException("partitioningScheme");
ParameterCheck.Check(this.PartitionedSources.Distinct().Count() == this.PartitionedSources.Count(), "PartitionedSources contains duplicates.");
this.Types = this.PartitioningScheme.OutputLayout.Select(x => x.ToString());
// Materialize this during construction
this.PartionedSourceNodes = new HashSet <PlanNode>(FindSources(this.Root, this.PartitionedSources));
this.RemoteSourceNodes = FindRemoteSourceNodes(this.Root).ToList();
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
JToken Tokens = JToken.Load(reader);
// These two are native to the flattened plan
string TextPlan = Tokens["textPlan"].ToString();
IEnumerable <FlattenedNode> Nodes = Tokens["nodes"].ToObject <IEnumerable <FlattenedNode> >();
// These properties are derived from the PlanFragment
PlanFragmentId Id = new PlanFragmentId(Tokens["id"].ToObject <string>(serializer));
PlanNode Root = Tokens["tree"].ToObject <PlanNode>(serializer);
IDictionary <string, string> Symbols = Tokens["symbols"].ToObject <Dictionary <string, string> >(serializer);
PartitioningHandle Partitioning = Tokens["partitioning"].ToObject <PartitioningHandle>(serializer);
IEnumerable <PlanNodeId> PartitionedSources = Tokens["partitionedSources"].ToObject <IEnumerable <PlanNodeId> >(serializer);
PartitioningScheme PartitioningScheme = Tokens["partitioningScheme"].ToObject <PartitioningScheme>(serializer);
// The pipeline execution strategy doesn't really matter because the flattened plan doesn't expose it
PlanFragment Fragment = new PlanFragment(Id, Root, Symbols, Partitioning, PartitionedSources, PartitioningScheme, PipelineExecutionStrategy.UNGROUPED_EXECUTION);
return(new FlattenedPlanFragment(TextPlan, Fragment, Nodes));
}
