Struct MessageHistoryMemory 

pub struct MessageHistoryMemory { /* private fields */ }

MessageHistoryMemory implementation, implementing BaseMemory trait

Implementations

impl MessageHistoryMemory

pub async fn new(session_id: String, data_dir: PathBuf) -> Result<Self>

Create a new MessageHistoryMemory instance

pub async fn new_with_recent_count( session_id: String, data_dir: PathBuf, recent_count: usize, ) -> Result<Self>

Create a new MessageHistoryMemory instance with specified recent message count

pub fn get_session_id(&self) -> &str

Get session ID

pub async fn get_recent_messages( &self, count: usize, ) -> Result<Vec<ChatMessageRecord>>

Get recent messages

pub async fn get_default_recent_messages( &self, ) -> Result<Vec<ChatMessageRecord>>

Get recent messages using default count

pub async fn get_message_count(&self) -> Result<usize>

Get total message count

pub async fn keep_recent_messages(&self, count: usize) -> Result<()>

Keep only the most recent N messages

pub async fn add_message(&self, message: &ChatMessage) -> Result<()>

Add ChatMessage to history

pub async fn get_recent_chat_messages( &self, count: usize, ) -> Result<Vec<ChatMessage>>

Get the most recent N messages, return ChatMessage type

Trait Implementations

impl BaseMemory for MessageHistoryMemory

fn memory_variables(&self) -> Vec<String>

fn load_memory_variables<'a>( &'a self, _inputs: &'a HashMap<String, Value>, ) -> Pin<Box<dyn Future<Output = Result<HashMap<String, Value>, Error>> + Send + 'a>>

fn save_context<'a>( &'a self, inputs: &'a HashMap<String, Value>, outputs: &'a HashMap<String, Value>, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'a>>

fn clear<'a>( &'a self, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'a>>

fn clone_box(&self) -> Box<dyn BaseMemory>

fn get_session_id(&self) -> Option<&str>

fn set_session_id(&mut self, session_id: String)

fn get_token_count(&self) -> Result<usize, Error>

fn as_any(&self) -> &dyn Any

impl Clone for MessageHistoryMemory

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MessageHistoryMemory

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.