Struct EntityType 

pub struct EntityType {
    pub base: DataPoint,
    pub name: String,
    pub description: String,
}

Storage-layer entity type model.

Represents a category of entities (e.g., “Organization”, “Person”, “Location”). Entity instances reference their EntityType via the is_a field.

Fields

base: DataPoint

Base data point fields (id, timestamps, metadata, etc.)

name: String

Type name (e.g., “Organization”, “Person”, “Location”)

description: String

Type description

Implementations

impl EntityType

pub const INDEX_FIELDS: &'static [&'static str]

Index fields to embed for vector search.

pub fn id_for(value: &str) -> Uuid

Deterministic, class-namespaced id for an EntityType identity value.

Mirrors Python’s EntityType.id_for(value) (identity_fields=["name"]): uuid5(NAMESPACE_OID, "EntityType:<normalized_value>"). The distinct class prefix is what prevents an Entity and an EntityType with the same name from colliding on one id (topoteretes/cognee#2510/#2515).

pub fn new( name: impl Into<String>, description: impl Into<String>, dataset_id: Option<Uuid>, ) -> Self

Create a new EntityType.

Arguments

• name - Type name (e.g., “Organization”)
• description - Type description
• dataset_id - Dataset UUID

pub fn from_node_type( type_name: impl Into<String>, dataset_id: Option<Uuid>, ) -> Self

Create EntityType from LLM-extracted node type string.

Arguments

• type_name - Node type from LLM (e.g., “Organization”)
• dataset_id - Dataset UUID

pub fn get_embeddable_text(&self) -> String

Get the type name (for embedding).

pub fn set_description(&mut self, description: impl Into<String>)

Update type description.

pub fn is_ontology_valid(&self) -> bool

Check if this type has been validated against an ontology.

pub fn mark_ontology_valid(&mut self, canonical_name: Option<String>)

Mark as ontology-validated with canonical name.

Arguments

• canonical_name - Canonical name from ontology

Trait Implementations

impl Clone for EntityType

fn clone(&self) -> EntityType

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EntityType

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for EntityType

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl HasDataPoint for EntityType

fn data_point(&self) -> &DataPoint

Borrow the embedded DataPoint of this container.

fn data_point_mut(&mut self) -> &mut DataPoint

Mutably borrow the embedded DataPoint of this container.

fn for_each_child_mut(&mut self, _visit: &mut dyn FnMut(&mut dyn HasDataPoint))

Visit every owned child that itself implements HasDataPoint. Default: no children. Override on container types whose fields own (rather than reference by Uuid) another HasDataPoint.

impl PartialEq for EntityType

fn eq(&self, other: &EntityType) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for EntityType

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for EntityType