Struct Graph

pub struct Graph {
    pub guid: String,
    pub name: String,
    pub vertex_count: i32,
    pub edge_count: i32,
    vertices: HashMap<String, Vertex>,
    edges: HashMap<String, HashMap<String, Edge>>,
}

Fields

guid: String

name: String

vertex_count: i32

edge_count: i32

vertices: HashMap<String, Vertex>

edges: HashMap<String, HashMap<String, Edge>>

Implementations

impl Graph

pub fn new(name: &str) -> Self

Creates a new, empty Graph with a specific name.

pub fn has_node(&self, key: &str) -> bool

Checks if a node exists in the graph.

pub fn add_node(&mut self, key: &str, attribute: &str) -> String

Adds a node to the graph.

pub fn add_edge( &mut self, u: &str, v: &str, attribute: &str, ) -> (String, String)

Adds an edge between u and v.

pub fn has_edge(&self, edge: (&str, &str)) -> bool

Checks if an edge exists in the graph.

pub fn number_of_vertices(&self) -> usize

Gets the number of vertices in the graph.

pub fn number_of_edges(&self) -> usize

Gets the number of edges in the graph.

pub fn get_vertices(&self) -> Vec<Vertex>

Gets all vertices in the graph.

pub fn get_edges(&self) -> Vec<(String, String)>

Gets all edges in the graph as tuples of vertex names.

pub fn neighbors(&self, node: &str) -> Vec<String>

Gets all neighbors of a node.

pub fn remove_node(&mut self, key: &str)

Removes a node and all its edges from the graph.

pub fn remove_edge(&mut self, edge: (&str, &str))

Removes an edge from the graph.

pub fn clear(&mut self)

Removes all vertices and edges from the graph.

pub fn node_attribute( &mut self, node: &str, value: Option<&str>, ) -> Option<String>

Get or set node attribute.

pub fn to_json_data(&self) -> Result<String, Error>

Serializes the Graph to a JSON string.

pub fn from_json_data(json_data: &str) -> Result<Self, Error>

Deserializes a Graph from a JSON string.

pub fn to_json(&self, filepath: &str) -> Result<(), Box<dyn Error>>

Serializes the Graph to a JSON file.

pub fn from_json(filepath: &str) -> Result<Self, Box<dyn Error>>

Deserializes a Graph from a JSON file.

pub fn edge_attribute( &mut self, u: &str, v: &str, value: Option<&str>, ) -> Option<String>

Get or set edge attribute.

Trait Implementations

impl Clone for Graph

fn clone(&self) -> Graph

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Graph

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Graph

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Graph

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.