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Class: OpenAIEmbedding

Extends​

Extended by​

Constructors​

new OpenAIEmbedding()​

new OpenAIEmbedding(init?): OpenAIEmbedding

OpenAI Embedding

Parameters​

• init?: Partial <OpenAIEmbedding> & object

initial parameters

Returns​

OpenAIEmbedding

Overrides​

BaseEmbedding . constructor

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:62

Properties​

additionalSessionOptions?​

optional additionalSessionOptions: Omit<Partial<ClientOptions>, "apiKey" | "timeout" | "maxRetries">

other session options for OpenAI

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:50

apiKey?​

optional apiKey: string = undefined

api key

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:44

dimensions​

dimensions: undefined | number

number of dimensions of the resulting vector, for models that support choosing fewer dimensions. undefined will default to model default

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:39

embedBatchSize​

embedBatchSize: number = DEFAULT_EMBED_BATCH_SIZE

Inherited from​

BaseEmbedding . embedBatchSize

Source​

packages/core/src/embeddings/types.ts:21

embedInfo?​

optional embedInfo: EmbeddingInfo

Inherited from​

BaseEmbedding . embedInfo

Source​

packages/core/src/embeddings/types.ts:22

maxRetries​

maxRetries: number

maximum number of retries, default 10

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:46

model​

model: string

embeddding model. defaults to "text-embedding-ada-002"

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:37

session​

session: OpenAISession

session object

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:56

timeout?​

optional timeout: number

timeout in ms, default 60 seconds

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:48

Methods​

getOpenAIEmbedding()​

private getOpenAIEmbedding(input): Promise<number[][]>

Get embeddings for a batch of texts

Parameters​

• input: string[]

Returns​

Promise<number[][]>

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:118

getQueryEmbedding()​

getQueryEmbedding(query): Promise<null | number[]>

Parameters​

• query: MessageContentDetail

Returns​

Promise<null | number[]>

Inherited from​

BaseEmbedding . getQueryEmbedding

Source​

packages/core/src/embeddings/types.ts:34

getTextEmbedding()​

getTextEmbedding(text): Promise<number[]>

Get embeddings for a single text

Parameters​

• text: string

Returns​

Promise<number[]>

Overrides​

BaseEmbedding . getTextEmbedding

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:143

getTextEmbeddings()​

getTextEmbeddings(texts): Promise<number[][]>

Get embeddings for a batch of texts

Parameters​

• texts: string[]

Returns​

Promise<number[][]>

Overrides​

BaseEmbedding . getTextEmbeddings

Source​

packages/core/src/embeddings/OpenAIEmbedding.ts:135

getTextEmbeddingsBatch()​

getTextEmbeddingsBatch(texts, options?): Promise<number[][]>

Get embeddings for a batch of texts

Parameters​

• texts: string[]

• options?

• options.logProgress?: boolean

Returns​

Promise<number[][]>

Inherited from​

BaseEmbedding . getTextEmbeddingsBatch

Source​

packages/core/src/embeddings/types.ts:64

similarity()​

similarity(embedding1, embedding2, mode): number

Parameters​

• embedding1: number[]

• embedding2: number[]

• mode: SimilarityType= SimilarityType.DEFAULT

Returns​

number

Inherited from​

BaseEmbedding . similarity

Source​

packages/core/src/embeddings/types.ts:24

transform()​

transform(nodes, _options?): Promise <BaseNode <Metadata>[]>

Parameters​

• nodes: BaseNode <Metadata>[]

• _options?: any

Returns​

Promise <BaseNode <Metadata>[]>

Inherited from​

BaseEmbedding . transform

Source​

packages/core/src/embeddings/types.ts:78

truncateMaxTokens()​

truncateMaxTokens(input): string[]

Parameters​

• input: string[]

Returns​

string[]

Inherited from​

BaseEmbedding . truncateMaxTokens

Source​

packages/core/src/embeddings/types.ts:90