Struct Relation 

pub struct Relation {
    pub id: Option<i64>,
    pub source_id: i64,
    pub target_id: i64,
    pub rel_type: String,
    pub weight: f64,
    pub properties: HashMap<String, Value>,
    pub created_at: Option<i64>,
}

Represents a relation between entities in the knowledge graph.

Fields

id: Option<i64>

source_id: i64

target_id: i64

rel_type: String

weight: f64

properties: HashMap<String, Value>

created_at: Option<i64>

Implementations

impl Relation

pub fn new( source_id: i64, target_id: i64, rel_type: impl Into<String>, weight: f64, ) -> Result<Self>

Create a new relation.

pub fn set_property(&mut self, key: impl Into<String>, value: Value)

Set a property.

pub fn get_property(&self, key: &str) -> Option<&Value>

Get a property.

Trait Implementations

impl Clone for Relation

fn clone(&self) -> Relation

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Relation

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Relation

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Relation

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.