Struct Entity 

pub struct Entity {
    pub id: EntityId,
    pub project_id: ProjectId,
    pub name: String,
    pub entity_type: EntityType,
    pub observations: Vec<Observation>,
    pub tags: Vec<String>,
    pub metadata: HashMap<String, Value>,
    pub created_at: DateTime<Utc>,
    pub updated_at: DateTime<Utc>,
    pub embedding: Option<Vec<f32>>,
}

An entity in the knowledge graph (a node)

Fields

id: EntityId

Unique identifier

project_id: ProjectId

Project this entity belongs to

name: String

Entity name (unique within project)

entity_type: EntityType

Entity type/category

observations: Vec<Observation>

Observations (facts) about this entity

tags: Vec<String>

Tags for categorization

metadata: HashMap<String, Value>

Arbitrary metadata

created_at: DateTime<Utc>

Creation timestamp

updated_at: DateTime<Utc>

Last update timestamp

embedding: Option<Vec<f32>>

Optional vector embedding for semantic search

Implementations

impl Entity

pub fn new( project_id: ProjectId, name: impl Into<String>, entity_type: impl Into<EntityType>, ) -> Self

Create a new entity

pub fn add_observation(&mut self, content: impl Into<String>) -> &Observation

Add an observation to this entity

pub fn add_tag(&mut self, tag: impl Into<String>)

Add a tag to this entity

pub fn remove_tag(&mut self, tag: &str) -> bool

Remove a tag from this entity

pub fn has_tag(&self, tag: &str) -> bool

Check if entity has a specific tag

Trait Implementations

impl Clone for Entity

fn clone(&self) -> Entity

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Entity

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Entity

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Entity

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

where __S: Serializer,

Serialize this value into the given Serde serializer.