Struct PipelineDslGeneratorStep 

pub struct PipelineDslGeneratorStep {
    pub id: NodeId,
    pub mode: PipelineDslGeneratorMode,
    pub branches: Vec<PipelineDslBranch>,
    pub stages: Vec<PipelineDslGeneratorStage>,
    pub pick: Option<PipelineDslSelectionSpec>,
    pub arrange: Option<PipelineDslSelectionSpec>,
    pub then_pick: Option<PipelineDslSelectionSpec>,
    pub then_arrange: Option<PipelineDslSelectionSpec>,
    pub count: Option<usize>,
    pub constraints: Option<PipelineDslGeneratorConstraints>,
    pub tail: Vec<PipelineDslStep>,
    pub metadata: BTreeMap<String, Value>,
}

Fields

id: NodeId

mode: PipelineDslGeneratorMode

branches: Vec<PipelineDslBranch>

stages: Vec<PipelineDslGeneratorStage>

pick: Option<PipelineDslSelectionSpec>

arrange: Option<PipelineDslSelectionSpec>

then_pick: Option<PipelineDslSelectionSpec>

then_arrange: Option<PipelineDslSelectionSpec>

count: Option<usize>

constraints: Option<PipelineDslGeneratorConstraints>

CONSTRAINED operator generators (ADR-17 1a + 1b): _mutex_/_requires_/_exclude_ over the generator’s OPERATOR-CONTENT (its branch/option ids, the operator classes nirs4all references). Applied during sequence-build so the operator dimension carries only the pruned survivor set (see expand_or_generator_sequences). ADDITIVE: skipped when None, so a constraint-free generator serializes byte-identically.

tail: Vec<PipelineDslStep>

A FIXED tail sub-sequence appended to EVERY expanded survivor (after pick/arrange + the _mutex_/_requires_/_exclude_ prune + the count truncate). The CATCH-22 fix for a MODEL-TERMINATED constrained/pick operator generator (ADR-17 item 5 slice B): a constrained _or_-pick / _cartesian_ survivor is a multi-operator SEQUENCE, and the downstream model must terminate it EXACTLY ONCE (not once per picked branch). The host carries that downstream model (+ any y_processing) here, so expand_*_generator_sequences appends it to each pruned survivor — making compile_operator_variant_models (and the graph compile, which shares expand_generator_sequences) see model-terminated survivors that reuse the already-correct constraint prune. The tail is NOT part of the operator-content member set (it is appended AFTER the prune), so constraints + variant_label stay operator-only. ADDITIVE: empty by default, so a tail-free generator (every pre-existing generator, including the constraint-free fusion path) serializes + expands byte-identically.

metadata: BTreeMap<String, Value>

Trait Implementations

impl Clone for PipelineDslGeneratorStep

fn clone(&self) -> PipelineDslGeneratorStep

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PipelineDslGeneratorStep

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PipelineDslGeneratorStep

fn deserialize<__D>( __deserializer: __D, ) -> Result<PipelineDslGeneratorStep, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for PipelineDslGeneratorStep

fn eq(&self, other: &PipelineDslGeneratorStep) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for PipelineDslGeneratorStep

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for PipelineDslGeneratorStep