langchain_community.chat_message_histories.elasticsearch
.ElasticsearchChatMessageHistory¶
- class langchain_community.chat_message_histories.elasticsearch.ElasticsearchChatMessageHistory(index: str, session_id: str, *, es_connection: Optional[Elasticsearch] = None, es_url: Optional[str] = None, es_cloud_id: Optional[str] = None, es_user: Optional[str] = None, es_api_key: Optional[str] = None, es_password: Optional[str] = None, esnsure_ascii: Optional[bool] = True)[source]¶
[Deprecated] Chat message history that stores history in Elasticsearch.
- Parameters
es_url (Optional[str]) – URL of the Elasticsearch instance to connect to.
es_cloud_id (Optional[str]) – Cloud ID of the Elasticsearch instance to connect to.
es_user (Optional[str]) – Username to use when connecting to Elasticsearch.
es_password (Optional[str]) – Password to use when connecting to Elasticsearch.
es_api_key (Optional[str]) – API key to use when connecting to Elasticsearch.
es_connection (Optional[Elasticsearch]) – Optional pre-existing Elasticsearch connection.
esnsure_ascii (Optional[bool]) – Used to escape ASCII symbols in json.dumps. Defaults to True.
index (str) – Name of the index to use.
session_id (str) – Arbitrary key that is used to store the messages of a single chat session.
Notes
Deprecated since version langchain-community==0.0.27: Use Use langchain-elasticsearch package instead.
Attributes
messages
Retrieve the messages from Elasticsearch
Methods
__init__
(index, session_id, *[, ...])aadd_messages
(messages)Add a list of messages.
aclear
()Remove all messages from the store
add_ai_message
(message)Convenience method for adding an AI message string to the store.
add_message
(message)Add a message to the chat session in Elasticsearch
add_messages
(messages)Add a list of messages.
add_user_message
(message)Convenience method for adding a human message string to the store.
Async version of getting messages.
clear
()Clear session memory in Elasticsearch
connect_to_elasticsearch
(*[, es_url, ...])- __init__(index: str, session_id: str, *, es_connection: Optional[Elasticsearch] = None, es_url: Optional[str] = None, es_cloud_id: Optional[str] = None, es_user: Optional[str] = None, es_api_key: Optional[str] = None, es_password: Optional[str] = None, esnsure_ascii: Optional[bool] = True)[source]¶
- Parameters
index (str) –
session_id (str) –
es_connection (Optional[Elasticsearch]) –
es_url (Optional[str]) –
es_cloud_id (Optional[str]) –
es_user (Optional[str]) –
es_api_key (Optional[str]) –
es_password (Optional[str]) –
esnsure_ascii (Optional[bool]) –
- async aadd_messages(messages: Sequence[BaseMessage]) None ¶
Add a list of messages.
- Parameters
messages (Sequence[BaseMessage]) – A list of BaseMessage objects to store.
- Return type
None
- async aclear() None ¶
Remove all messages from the store
- Return type
None
- add_ai_message(message: Union[AIMessage, str]) None ¶
Convenience method for adding an AI message string to the store.
Please note that this is a convenience method. Code should favor the bulk add_messages interface instead to save on round-trips to the underlying persistence layer.
This method may be deprecated in a future release.
- Parameters
message (Union[AIMessage, str]) – The AI message to add.
- Return type
None
- add_message(message: BaseMessage) None [source]¶
Add a message to the chat session in Elasticsearch
- Parameters
message (BaseMessage) –
- Return type
None
- add_messages(messages: Sequence[BaseMessage]) None ¶
Add a list of messages.
Implementations should over-ride this method to handle bulk addition of messages in an efficient manner to avoid unnecessary round-trips to the underlying store.
- Parameters
messages (Sequence[BaseMessage]) – A list of BaseMessage objects to store.
- Return type
None
- add_user_message(message: Union[HumanMessage, str]) None ¶
Convenience method for adding a human message string to the store.
Please note that this is a convenience method. Code should favor the bulk add_messages interface instead to save on round-trips to the underlying persistence layer.
This method may be deprecated in a future release.
- Parameters
message (Union[HumanMessage, str]) – The human message to add
- Return type
None
- async aget_messages() List[BaseMessage] ¶
Async version of getting messages.
Can over-ride this method to provide an efficient async implementation.
In general, fetching messages may involve IO to the underlying persistence layer.
- Return type
List[BaseMessage]
- static connect_to_elasticsearch(*, es_url: Optional[str] = None, cloud_id: Optional[str] = None, api_key: Optional[str] = None, username: Optional[str] = None, password: Optional[str] = None) Elasticsearch [source]¶
- Parameters
es_url (Optional[str]) –
cloud_id (Optional[str]) –
api_key (Optional[str]) –
username (Optional[str]) –
password (Optional[str]) –
- Return type
Elasticsearch