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Class: SummaryIndexLLMRetriever

LLM retriever for SummaryIndex which lets you select the most relevant chunks.

Implements

Constructors

constructor

new SummaryIndexLLMRetriever(index, choiceSelectPrompt?, choiceBatchSize?, formatNodeBatchFn?, parseChoiceSelectAnswerFn?, serviceContext?): SummaryIndexLLMRetriever

Parameters

NameTypeDefault value
indexSummaryIndexundefined
choiceSelectPrompt?(__namedParameters: { context: undefined | string = ""; query: undefined | string = "" }) => stringundefined
choiceBatchSizenumber10
formatNodeBatchFn?NodeFormatterFunctionundefined
parseChoiceSelectAnswerFn?ChoiceSelectParserFunctionundefined
serviceContext?ServiceContextundefined

Returns

SummaryIndexLLMRetriever

Defined in

packages/core/src/indices/summary/SummaryIndexRetriever.ts:65

Properties

choiceBatchSize

choiceBatchSize: number

Defined in

packages/core/src/indices/summary/SummaryIndexRetriever.ts:59


choiceSelectPrompt

choiceSelectPrompt: (__namedParameters: { context: undefined | string = ""; query: undefined | string = "" }) => string

Type declaration

▸ («destructured»): string

Parameters
NameTypeDefault value
«destructured»Objectundefined
› contextundefined | string""
› queryundefined | string""
Returns

string

Defined in

packages/core/src/indices/summary/SummaryIndexRetriever.ts:58


formatNodeBatchFn

formatNodeBatchFn: NodeFormatterFunction

Defined in

packages/core/src/indices/summary/SummaryIndexRetriever.ts:60


index

index: SummaryIndex

Defined in

packages/core/src/indices/summary/SummaryIndexRetriever.ts:57


parseChoiceSelectAnswerFn

parseChoiceSelectAnswerFn: ChoiceSelectParserFunction

Defined in

packages/core/src/indices/summary/SummaryIndexRetriever.ts:61


serviceContext

serviceContext: ServiceContext

Defined in

packages/core/src/indices/summary/SummaryIndexRetriever.ts:62

Methods

getServiceContext

getServiceContext(): ServiceContext

Returns

ServiceContext

Implementation of

BaseRetriever.getServiceContext

Defined in

packages/core/src/indices/summary/SummaryIndexRetriever.ts:130


retrieve

retrieve(query, parentEvent?): Promise<NodeWithScore<Metadata>[]>

Parameters

NameType
querystring
parentEvent?Event

Returns

Promise<NodeWithScore<Metadata>[]>

Implementation of

BaseRetriever.retrieve

Defined in

packages/core/src/indices/summary/SummaryIndexRetriever.ts:82