Struct ProvenanceTracker 

pub struct ProvenanceTracker {
    pub graph: Vec<ProvenanceNode>,
}

Directed acyclic graph for W3C-PROV-style provenance tracking.

Fields

graph: Vec<ProvenanceNode>

Ordered list of nodes in the provenance graph.

Implementations

impl ProvenanceTracker

pub fn new() -> Self

Create an empty tracker.

pub fn add_computation( &mut self, id: impl Into<String>, inputs: Vec<String>, outputs: Vec<String>, )

Record a computation node that consumes inputs and produces outputs.

pub fn add_data_source(&mut self, id: impl Into<String>, outputs: Vec<String>)

Record a data-source (dataset) node.

pub fn trace_lineage(&self, target_id: &str) -> Vec<String>

Trace the full ancestry of target_id.

Returns all node IDs that transitively contribute to target_id.

pub fn to_prov_json(&self) -> String

Serialise the provenance graph to a simplified PROV-JSON string.

Trait Implementations

impl Debug for ProvenanceTracker

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

Formats the value using the given formatter.

impl Default for ProvenanceTracker

fn default() -> ProvenanceTracker

Returns the “default value” for a type.