Class: RetrieverQueryEngine
A query engine that uses a retriever to query an index and then synthesizes the response.
Implements
Constructors
constructor
• new RetrieverQueryEngine(retriever, responseSynthesizer?, preFilters?, nodePostprocessors?)
Parameters
| Name | Type |
|---|---|
retriever | BaseRetriever |
responseSynthesizer? | ResponseSynthesizer |
preFilters? | unknown |
nodePostprocessors? | BaseNodePostprocessor[] |
Defined in
packages/core/src/QueryEngine.ts:37
Properties
nodePostprocessors
• nodePostprocessors: BaseNodePostprocessor[]
Defined in
packages/core/src/QueryEngine.ts:34
preFilters
• Optional preFilters: unknown
Defined in
packages/core/src/QueryEngine.ts:35
responseSynthesizer
• responseSynthesizer: ResponseSynthesizer
Defined in
packages/core/src/QueryEngine.ts:33
retriever
• retriever: BaseRetriever
Defined in
packages/core/src/QueryEngine.ts:32
Methods
applyNodePostprocessors
▸ Private applyNodePostprocessors(nodes): NodeWithScore<Metadata>[]
Parameters
| Name | Type |
|---|---|
nodes | NodeWithScore<Metadata>[] |
Returns
Defined in
packages/core/src/QueryEngine.ts:52
query
▸ query(query, parentEvent?): Promise<Response>
Query the query engine and get a response.
Parameters
| Name | Type |
|---|---|
query | string |
parentEvent? | Event |
Returns
Promise<Response>
Implementation of
Defined in
packages/core/src/QueryEngine.ts:69
retrieve
▸ Private retrieve(query, parentEvent): Promise<NodeWithScore<Metadata>[]>
Parameters
| Name | Type |
|---|---|
query | string |
parentEvent | Event |
Returns
Promise<NodeWithScore<Metadata>[]>