dpcs 0.2.0

Reference implementation of the Data Pipeline Contract Standard (DPCS)
Documentation 
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//! Pipeline graph model.

use serde::{Deserialize, Serialize};

use super::ExtensionMap;

/// Directed graph describing step relationships.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, Default)]
#[serde(rename_all = "camelCase")]
pub struct PipelineGraph {
    /// Graph edges between steps or control points.
    #[serde(default)]
    pub edges: Vec<GraphEdge>,
    /// Extension fields.
    #[serde(default, flatten)]
    pub extensions: ExtensionMap,
}

/// A single directed edge in the pipeline graph.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct GraphEdge {
    /// Source node identifier.
    pub from: String,
    /// Destination node identifier.
    pub to: String,
    /// Optional edge kind.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub kind: Option<String>,
    /// Extension fields.
    #[serde(default, flatten)]
    pub extensions: ExtensionMap,
}