Class ChatMemoryService

java.lang.Object

dev.langchain4j.service.memory.ChatMemoryService

public class ChatMemoryService
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT

Constructor Summary

Constructors

Constructor	Description
ChatMemoryService(ChatMemoryProvider chatMemoryProvider)
ChatMemoryService(ChatMemory chatMemory)

Method Summary

Modifier and Type	Method	Description
void	clearAll()
ChatMemory	evictChatMemory(Object memoryId)
Collection<ChatMemory>	getChatMemories()
ChatMemory	getChatMemory(Object memoryId)
Collection<Object>	getChatMemoryIDs()
ChatMemory	getOrCreateChatMemory(Object memoryId)
ChatMemory	getOrCreateInvocationChatMemory(InvocationContext invocationContext)	Returns the chat memory of the given invocation, wrapped so that every call to it (and so to its ChatMemoryStore) runs as work of that invocation: an AI Service invoked from there gets it as its parent invocation.
static ChatMemory	unwrap(ChatMemory chatMemory)	Returns the chat memory as configured by the user, without the wrapper added by getOrCreateInvocationChatMemory(InvocationContext).

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DEFAULT

public static final String DEFAULT

See Also:

• Constant Field Values

Constructor Details

ChatMemoryService

public ChatMemoryService(ChatMemoryProvider chatMemoryProvider)

ChatMemoryService

public ChatMemoryService(ChatMemory chatMemory)

Method Details

getOrCreateChatMemory

public ChatMemory getOrCreateChatMemory(Object memoryId)

getOrCreateInvocationChatMemory

public ChatMemory getOrCreateInvocationChatMemory(InvocationContext invocationContext)

Returns the chat memory of the given invocation, wrapped so that every call to it (and so to its ChatMemoryStore) runs as work of that invocation: an AI Service invoked from there gets it as its parent invocation. The ChatMemoryProvider is called the same way.

unwrap

public static ChatMemory unwrap(ChatMemory chatMemory)

Returns the chat memory as configured by the user, without the wrapper added by getOrCreateInvocationChatMemory(InvocationContext).

getChatMemory

public ChatMemory getChatMemory(Object memoryId)

evictChatMemory

public ChatMemory evictChatMemory(Object memoryId)

clearAll

public void clearAll()

getChatMemoryIDs

public Collection<Object> getChatMemoryIDs()

getChatMemories

public Collection<ChatMemory> getChatMemories()