Returns the result of a GraphQL query against the store. The store should return a map of {:data <any>, :partial? <boolean>}.

• document An artemis.document/Document
• variables A map of variables for the query
• return-partial? States if a partially fulfilled query can be returned

If the query cannot be fulfilled at all, i.e. the data does not exist in the store, or if return-partial? is false and the store is not able to fulfill the entire query, should return nil.

Returns the result of a executing a GraphQL fragment against an entity identified by entity-ref. The store should return a map of {:data <any>, :partial? <boolean>}.

• document An artemis document containing a GraphQL fragment operation
• entity-ref A unqiue reference to a specific stored entity
• return-partial? States if a partially fulfilled query can be returned

If the fragment cannot be fulfilled at all, i.e. the entity does not exist in the store, or if return-partial? is false and the store is not able to fulfill the entire fragment selection, should return nil.

Writes the data resulting from a GraphQL query to the store.

• data The result received from executing a GraphQL query (ex. against a server)
• document The artemis.document/Document that was run to produce data
• variables A map of variables for the query that was run

Should return the updated store.

Writes the data resulting from a GraphQL query to the store.

• data The value(s) to update the entity as a hash-map.
• document An artemis document containing a GraphQL fragment operation
• entity-ref A unqiue reference to a specific stored entity

Should return the updated store.