ChatMessageHistory class final
A simple in-memory implementation of a chat message history. Stores messages in an in memory list.
- Inheritance
-
- Object
- BaseChatMessageHistory
- ChatMessageHistory
Constructors
-
ChatMessageHistory.new({List<
ChatMessage> ? messages}) - A simple in-memory implementation of a chat message history. Stores messages in an in memory list.
-
ChatMessageHistory.fromMap(Map<
String, dynamic> map) -
Convert the history from a map.
factory
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
addAIChatMessage(
String message) → Future< void> -
Add an AI message to the history.
inherited
-
addChatMessage(
ChatMessage message) → Future< void> -
Add ChatMessage to the history.
override
-
addHumanChatMessage(
String message) → Future< void> -
Add a human message to the history.
inherited
-
addToolChatMessage(
{required String toolCallId, required String content}) → Future< void> -
Add a Tool response message to the history.
inherited
-
clear(
) → Future< void> -
Clear the history.
override
-
getChatMessages(
) → Future< List< ChatMessage> > -
Return a list of messages.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
removeFirst(
) → Future< ChatMessage> -
Removes and returns the first (oldest) element of the history.
override
-
removeLast(
) → Future< ChatMessage> -
Removes and returns the last (newest) element of the history.
override
-
toMap(
) → Map< String, dynamic> - Convert the history to a map.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited