Class ConversationTokenBufferMemory

Class that represents a conversation chat memory with a token buffer. It extends the BaseChatMemory class and implements the ConversationTokenBufferMemoryInput interface.

Hierarchy

Implements

Constructors

constructor

Properties

aiPrefix chatHistory humanPrefix llm maxTokenLimit memoryKey returnMessages inputKey? outputKey?

Accessors

memoryKeys

Methods

clear loadMemoryVariables saveContext

Constructors

constructor

Properties

aiPrefix

aiPrefix: string = "AI"

chatHistory

chatHistory: BaseChatMessageHistory

humanPrefix

humanPrefix: string = "Human"

llm

llm: BaseLanguageModel<any, BaseLanguageModelCallOptions>

maxTokenLimit

maxTokenLimit: number = 2000

memoryKey

memoryKey: string = "history"

returnMessages

returnMessages: boolean = false

Optional inputKey

inputKey?: string

Optional outputKey

outputKey?: string

Accessors

memoryKeys

  • get memoryKeys(): string[]

  • Returns string[]

Methods

clear

  • Method to clear the chat history.

    Returns Promise<void>

    Promise that resolves when the chat history has been cleared.

loadMemoryVariables

  • Loads the memory variables. It takes an InputValues object as a parameter and returns a Promise that resolves with a MemoryVariables object.

    Parameters

    Returns Promise<MemoryVariables>

    A Promise that resolves with a MemoryVariables object.

saveContext

  • Saves the context from this conversation to buffer. If the amount of tokens required to save the buffer exceeds MAX_TOKEN_LIMIT, prune it.

    Parameters

    Returns Promise<void>

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