Struct EdgeSourceStep 

pub struct EdgeSourceStep { /* private fields */ }

Edge source step - E()

Implementations

impl EdgeSourceStep

pub fn new() -> EdgeSourceStep

Create E() step for all edges

pub fn with_ids(ids: Vec<String>) -> EdgeSourceStep

Create E(id) step for specific edge

pub fn with_type(edge_type: String) -> EdgeSourceStep

Create E().hasLabel(type) step

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

Set step ID

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

Get edge IDs filter

pub fn edge_type(&self) -> Option<&str>

Get edge type filter

Trait Implementations

impl Clone for EdgeSourceStep

fn clone(&self) -> EdgeSourceStep

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EdgeSourceStep

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

Formats the value using the given formatter.

impl Default for EdgeSourceStep

fn default() -> EdgeSourceStep

Returns the “default value” for a type.

impl SourceStep for EdgeSourceStep

fn generate_traversers(&self) -> Vec<Traverser>

Generate initial traversers

impl Step for EdgeSourceStep

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