Method get_node_for_layer

cake-core/src/cake/sharding/topology.rs:184–193

Return the node serving the specified layer, or None if not found.

(&self, layer_name: &str)

    /// Return the node serving the specified layer, or None if not found.
    pub fn get_node_for_layer(&self, layer_name: &str) -> Option<(&str, &Node)> {
        for (node_name, node) in &self.0 {
            for node_layer_name in &node.layers {
                if layer_name == node_layer_name {
                    return Some((node_name, node));
                }
            }
        }
        None
    }

    /// Returns `true` if any node in this topology has an empty `layers` list,
    /// meaning layer assignments should be computed automatically.