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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/core/src/engines/query/RouterQueryEngine.ts:64

Properties​

metadatas​

private metadatas: RouterQueryEngineMetadata[]

Source​

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

queryEngines​

private queryEngines: QueryEngine[]

Source​

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

selector​

private selector: BaseSelector

Source​

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

summarizer​

private summarizer: TreeSummarize

Source​

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

verbose​

private verbose: boolean

Source​

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

Methods​

_getPromptModules()​

_getPromptModules(): Record<string, any>

Returns​

Record<string, any>

Overrides​

PromptMixin . _getPromptModules

Source​

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

_getPrompts()​

protected _getPrompts(): PromptsDict

Returns​

PromptsDict

Inherited from​

PromptMixin . _getPrompts

Source​

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

_updatePrompts()​

protected _updatePrompts(promptsDict): void

Parameters​

• promptsDict: PromptsDict

Returns​

void

Inherited from​

PromptMixin . _updatePrompts

Source​

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

query()​

query(params)​

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

Query the query engine and get a response.

Parameters​

• params: QueryEngineParamsStreaming

Returns​

Promise<AsyncIterable <Response>>

Implementation of​

QueryEngine . query

Source​

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

query(params)​

query(params): Promise <Response>

Parameters​

• params: QueryEngineParamsNonStreaming

Returns​

Promise <Response>

Implementation of​

QueryEngine . query

Source​

packages/core/src/engines/query/RouterQueryEngine.ts:112

queryRoute()​

private queryRoute(queryBundle): Promise <Response>

Parameters​

• queryBundle: QueryBundle

Returns​

Promise <Response>

Source​

packages/core/src/engines/query/RouterQueryEngine.ts:127

updatePrompts()​

updatePrompts(promptsDict): void

Updates the prompts in the mixin and its modules

Parameters​

• promptsDict: PromptsDict

Returns​

void

Inherited from​

PromptMixin . updatePrompts

Source​

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