oxirs-rule 0.2.4

Forward/backward rule engine for RDFS, OWL, and SWRL reasoning
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

//! # ReteNetwork - accessors Methods
//!
//! This module contains method implementations for `ReteNetwork`.
//!
//! 🤖 Generated with [SplitRS](https://github.com/cool-japan/splitrs)

use crate::RuleAtom;
use anyhow::Result;

use super::functions::NodeId;
use super::types::ReteNode;

use super::retenetwork_type::ReteNetwork;

impl ReteNetwork {
    /// Get the pattern associated with a node
    pub(super) fn get_node_pattern(&self, node_id: NodeId) -> Result<Option<RuleAtom>> {
        match self.nodes.get(&node_id) {
            Some(ReteNode::Alpha { pattern, .. }) => Ok(Some(pattern.clone())),
            Some(ReteNode::Beta { left_parent, .. }) => self.get_node_pattern(*left_parent),
            _ => Ok(None),
        }
    }
}