Struct typedb_driver::transaction::concept::ConceptManager

pub struct ConceptManager<'tx> { /* private fields */ }

Provides access for all Concept API methods.

Implementations

impl<'tx> ConceptManager<'tx>

pub fn get_entity_type( &self, label: String ) -> impl Promise<'tx, Result<Option<EntityType>>>

Retrieves an EntityType by its label.

Arguments

• label – The label of the EntityType to retrieve

Examples

transaction.concepts().get_entity_type(label).await

pub fn get_relation_type( &self, label: String ) -> impl Promise<'tx, Result<Option<RelationType>>>

Retrieves a RelationType by its label.

Arguments

• label – The label of the RelationType to retrieve

Examples

transaction.concepts().get_relation_type(label).await

pub fn get_attribute_type( &self, label: String ) -> impl Promise<'tx, Result<Option<AttributeType>>>

Retrieves an AttributeType by its label.

Arguments

• label – The label of the AttributeType to retrieve

Examples

transaction.concepts().get_attribute_type(label).await

pub fn put_entity_type( &self, label: String ) -> impl Promise<'tx, Result<EntityType>>

Creates a new EntityType if none exists with the given label, otherwise retrieves the existing one.

Arguments

• label – The label of the EntityType to create or retrieve

Examples

transaction.concepts().put_entity_type(label).await

pub fn put_relation_type( &self, label: String ) -> impl Promise<'tx, Result<RelationType>>

Creates a new RelationType if none exists with the given label, otherwise retrieves the existing one.

Arguments

• label – The label of the RelationType to create or retrieve

Examples

transaction.concepts().put_relation_type(label).await

pub fn put_attribute_type( &self, label: String, value_type: ValueType ) -> impl Promise<'tx, Result<AttributeType>>

Creates a new AttributeType if none exists with the given label, or retrieves the existing one. or retrieve. :return:

Arguments

• label – The label of the AttributeType to create or retrieve
• value_type – The value type of the AttributeType to create

Examples

transaction.concepts().put_attribute_type(label, value_type).await

pub fn get_entity(&self, iid: IID) -> impl Promise<'tx, Result<Option<Entity>>>

Retrieves an Entity by its iid.

Arguments

• iid – The iid of the Entity to retrieve

Examples

transaction.concepts().get_entity(iid).await

pub fn get_relation( &self, iid: IID ) -> impl Promise<'tx, Result<Option<Relation>>>

Retrieves a Relation by its iid.

Arguments

• iid – The iid of the Relation to retrieve

Examples

transaction.concepts().get_relation(iid).await

pub fn get_attribute( &self, iid: IID ) -> impl Promise<'tx, Result<Option<Attribute>>>

Retrieves an Attribute by its iid.

Arguments

• iid – The iid of the Attribute to retrieve

Examples

transaction.concepts().get_attribute(iid).await

pub fn get_schema_exceptions( &self ) -> Result<impl Stream<Item = Result<SchemaException>> + 'tx>

Retrieves a list of all schema exceptions for the current transaction.

Examples

transaction.concepts().get_schema_exceptions()

Trait Implementations

impl<'tx> Debug for ConceptManager<'tx>

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

Formats the value using the given formatter.