Method has_vertex

atomic-core/src/apply/graph_batch.rs:245–248

(&self, node: GraphNode<NodeId>)

    }

    fn has_vertex(&self, node: GraphNode<NodeId>) -> PristineResult<bool> {
        let key = encode_vertex(node.change.get(), node.start.get(), node.end.get());
        Ok(self.graph.get(&key)?.next().is_some())
    }

    fn get_node_type(&self, node_id: NodeId) -> PristineResult<Option<u8>> {
        self.txn.get_node_type(node_id)