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Class: RouterQueryEngine

A query engine that uses multiple query engines and selects the best one.

Extends

Implements

Constructors

new RouterQueryEngine()

new RouterQueryEngine(init): RouterQueryEngine

Parameters

init

init.queryEngineTools: RouterQueryEngineTool[]

init.selector: BaseSelector

init.serviceContext?: ServiceContext

init.summarizer?: TreeSummarize

init.verbose?: boolean

Returns

RouterQueryEngine

Overrides

PromptMixin . constructor

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:64

Properties

metadatas

private metadatas: RouterQueryEngineMetadata[]

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:60


queryEngines

private queryEngines: QueryEngine[]

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:59


selector

private selector: BaseSelector

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:58


summarizer

private summarizer: TreeSummarize

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:61


verbose

private verbose: boolean

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:62

Methods

_getPromptModules()

_getPromptModules(): Record<string, any>

Returns

Record<string, any>

Overrides

PromptMixin . _getPromptModules

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:82


_getPrompts()

protected _getPrompts(): PromptsDict

Returns

PromptsDict

Inherited from

PromptMixin . _getPrompts

Source

packages/llamaindex/src/prompts/Mixin.ts:78


_updatePrompts()

protected _updatePrompts(promptsDict): void

Parameters

promptsDict: PromptsDict

Returns

void

Inherited from

PromptMixin . _updatePrompts

Source

packages/llamaindex/src/prompts/Mixin.ts:86


getPrompts()

getPrompts(): PromptsDict

Returns all prompts from the mixin and its modules

Returns

PromptsDict

Inherited from

PromptMixin . getPrompts

Source

packages/llamaindex/src/prompts/Mixin.ts:27


query()

query(params)

query(params): Promise<AsyncIterable <EngineResponse>>

Query the query engine and get a response.

Parameters

params: QueryEngineParamsStreaming

Returns

Promise<AsyncIterable <EngineResponse>>

Implementation of

QueryEngine . query

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:111

query(params)

query(params): Promise <EngineResponse>

Parameters

params: QueryEngineParamsNonStreaming

Returns

Promise <EngineResponse>

Implementation of

QueryEngine . query

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:114


queryRoute()

private queryRoute(queryBundle): Promise <EngineResponse>

Parameters

queryBundle: QueryBundle

Returns

Promise <EngineResponse>

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:129


updatePrompts()

updatePrompts(promptsDict): void

Updates the prompts in the mixin and its modules

Parameters

promptsDict: PromptsDict

Returns

void

Inherited from

PromptMixin . updatePrompts

Source

packages/llamaindex/src/prompts/Mixin.ts:48


validatePrompts()

validatePrompts(promptsDict, moduleDict): void

Validates the prompt keys and module keys

Parameters

promptsDict: PromptsDict

moduleDict: ModuleDict

Returns

void

Inherited from

PromptMixin . validatePrompts

Source

packages/llamaindex/src/prompts/Mixin.ts:10


fromDefaults()

static fromDefaults(init): RouterQueryEngine

Parameters

init

init.queryEngineTools: RouterQueryEngineTool[]

init.selector?: BaseSelector

init.serviceContext?: ServiceContext

init.summarizer?: TreeSummarize

init.verbose?: boolean

Returns

RouterQueryEngine

Source

packages/llamaindex/src/engines/query/RouterQueryEngine.ts:89