Class: RouterQueryEngine

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

Hierarchy

• PromptMixin

  ↳ RouterQueryEngine

Implements

• BaseQueryEngine

Constructors

constructor

• new RouterQueryEngine(init): RouterQueryEngine

Parameters

Name	Type
init	Object
init.queryEngineTools	RouterQueryEngineTool[]
init.selector	BaseSelector
init.serviceContext?	ServiceContext
init.summarizer?	TreeSummarize
init.verbose?	boolean

Returns

RouterQueryEngine

Overrides

PromptMixin.constructor

Defined in

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

Properties

metadatas

• Private metadatas: RouterQueryEngineMetadata[]

Defined in

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

---

queryEngines

• Private queryEngines: BaseQueryEngine[]

Defined in

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

---

selector

• Private selector: BaseSelector

Defined in

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

---

summarizer

• Private summarizer: TreeSummarize

Defined in

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

---

verbose

• Private verbose: boolean

Defined in

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

Methods

_getPromptModules

▸ _getPromptModules(): Record<string, any>

Returns

Record<string, any>

Overrides

PromptMixin._getPromptModules

Defined in

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

---

_getPrompts

▸ _getPrompts(): PromptsDict

Returns

PromptsDict

Inherited from

PromptMixin._getPrompts

Defined in

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

---

_updatePrompts

▸ _updatePrompts(promptsDict): void

Parameters

Name	Type
promptsDict	PromptsDict

Returns

void

Inherited from

PromptMixin._updatePrompts

Defined in

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

Defined in

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

---

query

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

Query the query engine and get a response.

Parameters

Name	Type
params	QueryEngineParamsStreaming

Returns

Promise<AsyncIterable<Response>>

Implementation of

BaseQueryEngine.query

Defined in

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

▸ query(params): Promise<Response>

Parameters

Name	Type
params	QueryEngineParamsNonStreaming

Returns

Promise<Response>

Implementation of

BaseQueryEngine.query

Defined in

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

---

queryRoute

▸ queryRoute(queryBundle): Promise<Response>

Parameters

Name	Type
queryBundle	QueryBundle

Returns

Promise<Response>

Defined in

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

---

updatePrompts

▸ updatePrompts(promptsDict): void

Updates the prompts in the mixin and its modules

Parameters

Name	Type
promptsDict	PromptsDict

Returns

void

Inherited from

PromptMixin.updatePrompts

Defined in

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

---

validatePrompts

▸ validatePrompts(promptsDict, moduleDict): void

Validates the prompt keys and module keys

Parameters

Name	Type
promptsDict	PromptsDict
moduleDict	ModuleDict

Returns

void

Inherited from

PromptMixin.validatePrompts

Defined in

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

---

fromDefaults

▸ fromDefaults(init): RouterQueryEngine

Parameters

Name	Type
init	Object
init.queryEngineTools	RouterQueryEngineTool[]
init.selector?	BaseSelector
init.serviceContext?	ServiceContext
init.summarizer?	TreeSummarize
init.verbose?	boolean

Returns

RouterQueryEngine

Defined in

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