Transform Retriever
- class llama_index.retrievers.transform_retriever.TransformRetriever(retriever: BaseRetriever, query_transform: BaseQueryTransform, transform_metadata: Optional[dict] = None, callback_manager: Optional[CallbackManager] = None)
Transform Retriever.
Takes in an existing retriever and a query transform and runs the query transform before running the retriever.
- get_prompts() Dict[str, BasePromptTemplate]
Get a prompt.
- get_service_context() Optional[ServiceContext]
Attempts to resolve a service context. Short-circuits at self.service_context, self._service_context, or self._index.service_context.
- retrieve(str_or_query_bundle: Union[str, QueryBundle]) List[NodeWithScore]
Retrieve nodes given query.
- Parameters
str_or_query_bundle (QueryType) – Either a query string or a QueryBundle object.
- update_prompts(prompts_dict: Dict[str, BasePromptTemplate]) None
Update prompts.
Other prompts will remain in place.