Struct VertexStep 

pub struct VertexStep { /* private fields */ }

Generic vertex step - traverses edges to adjacent vertices

Implementations

impl VertexStep

pub fn out(edge_labels: Vec<String>) -> VertexStep

Create out() step

pub fn in_(edge_labels: Vec<String>) -> VertexStep

Create in() step

pub fn both(edge_labels: Vec<String>) -> VertexStep

Create both() step

pub fn out_e(edge_labels: Vec<String>) -> VertexStep

Create outE() step

pub fn in_e(edge_labels: Vec<String>) -> VertexStep

Create inE() step

pub fn both_e(edge_labels: Vec<String>) -> VertexStep

Create bothE() step

pub fn direction(&self) -> Direction

Get direction

pub fn edge_labels(&self) -> &[String]

Get edge labels

pub fn returns_edges(&self) -> bool

Check if returning edges

pub fn with_id(self, id: String) -> VertexStep

Set step ID

Trait Implementations

impl Clone for VertexStep

fn clone(&self) -> VertexStep

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VertexStep

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

Formats the value using the given formatter.

impl FlatMapStep for VertexStep

fn flat_map(&self, traverser: &Traverser) -> Vec<Traverser>

Expand a single traverser to multiple

impl Step for VertexStep

fn id(&self) -> &str

Step identifier (unique in traversal)

fn name(&self) -> &str

Human-readable name

fn labels(&self) -> &[String]

Labels assigned to this step

fn add_label(&mut self, label: String)

Add a label to this step

fn requirements(&self) -> &[TraverserRequirement]

Requirements this step declares

fn process_traverser(&self, traverser: Traverser) -> StepResult

Process a single traverser (standard algorithm)

fn reset(&mut self)

Reset step state for reuse

fn clone_step(&self) -> Box<dyn Step>

Clone as trait object

fn as_any(&self) -> &(dyn Any + 'static)

Downcast to concrete type

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Downcast to mutable concrete type