Trait PropertyGraphReader 

pub trait PropertyGraphReader<NodeKey, Node, EdgeKey, Edge, PropKey, Prop, E> {
    // Required methods
    fn nodes(
        &self,
        filter: PropertyFilter<PropKey>,
    ) -> Result<impl Iterator<Item = NodeKey>, E>;
    fn edges(
        &self,
        filter: PropertyFilter<PropKey>,
    ) -> Result<impl Iterator<Item = EdgeKey>, E>;
    fn properties(
        &self,
        filter: PropertyFilter<PropKey>,
    ) -> Result<impl Iterator<Item = PropKey>, E>;
    fn read_node(&self, id: NodeKey) -> Result<Node, E>;
    fn read_edge(&self, id: &EdgeKey) -> Result<Edge, E>;
    fn read_property(&self, id: &PropKey) -> Result<Prop, E>;
}

Low level reading and traversing interface for a graph

Required Methods

fn nodes( &self, filter: PropertyFilter<PropKey>, ) -> Result<impl Iterator<Item = NodeKey>, E>

List nodes

fn edges( &self, filter: PropertyFilter<PropKey>, ) -> Result<impl Iterator<Item = EdgeKey>, E>

List edges

fn properties( &self, filter: PropertyFilter<PropKey>, ) -> Result<impl Iterator<Item = PropKey>, E>

List properties

fn read_node(&self, id: NodeKey) -> Result<Node, E>

Get a node by its key

fn read_edge(&self, id: &EdgeKey) -> Result<Edge, E>

Get an edge by its key

fn read_property(&self, id: &PropKey) -> Result<Prop, E>

Get a property by its key

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl<P, K, E> PropertyGraphReader<Uuid, NodeData, String, EdgeData, String, P, Error<E>> for KvGraphStore<P, K, E>

where P: Property<HashId, SerialisationError>, K: KVStore<E>, E: Send,