langchain_community.chat_message_histories.neo4j.Neo4jChatMessageHistory¶
class langchain_community.chat_message_histories.neo4j.Neo4jChatMessageHistory(session_id: Union[str, int], url: Optional[str] = None, username: Optional[str] = None, password: Optional[str] = None, database: str = 'neo4j', node_label: str = 'Session', window: int = 3)[source]¶
Chat message history stored in a Neo4j database.
Attributes
messages
Retrieve the messages from Neo4j
Methods
__init__(session_id[, url, username, ...])
add_ai_message(message)
Convenience method for adding an AI message string to the store.
add_message(message)
Append the message to the record in Neo4j
add_user_message(message)
Convenience method for adding a human message string to the store.
clear()
Clear session memory from Neo4j
__init__(session_id: Union[str, int], url: Optional[str] = None, username: Optional[str] = None, password: Optional[str] = None, database: str = 'neo4j', node_label: str = 'Session', window: int = 3)[source]¶
add_ai_message(message: str) → None¶
Convenience method for adding an AI message string to the store.
Parameters
message – The string contents of an AI message.
add_message(message: BaseMessage) → None[source]¶
Append the message to the record in Neo4j
add_user_message(message: str) → None¶
Convenience method for adding a human message string to the store.
Parameters
message – The string contents of a human message.
clear() → None[source]¶
Clear session memory from Neo4j