Uses of Class
dev.langchain4j.data.message.ChatMessage

Packages that use ChatMessage

Package	Description
dev.langchain4j.data.message
dev.langchain4j.memory
dev.langchain4j.model
dev.langchain4j.model.chat
dev.langchain4j.model.moderation
dev.langchain4j.store.memory.chat

Uses of ChatMessage in dev.langchain4j.data.message

Subclasses of ChatMessage in dev.langchain4j.data.message

Modifier and Type	Class and Description
class	AiMessage Represents a response message from an AI (language model).
class	SystemMessage Represents a system message, typically defined by a developer.
class	ToolExecutionResultMessage Represents the result of a tool execution.
class	UserMessage Represents a message from a user, typically an end user of the application.

Methods in dev.langchain4j.data.message that return ChatMessage

Modifier and Type	Method and Description
static ChatMessage	ChatMessageDeserializer.messageFromJson(String json) Deserializes a JSON string into a ChatMessage.

Methods in dev.langchain4j.data.message that return types with arguments of type ChatMessage

Modifier and Type	Method and Description
static Class<? extends ChatMessage>	ChatMessageType.classOf(ChatMessageType type)
static List<ChatMessage>	ChatMessageDeserializer.messagesFromJson(String json) Deserializes a JSON string into a list of ChatMessage.

Methods in dev.langchain4j.data.message with parameters of type ChatMessage

Modifier and Type	Method and Description
static String	ChatMessageSerializer.messageToJson(ChatMessage message) Serializes a chat message into a JSON string.

Method parameters in dev.langchain4j.data.message with type arguments of type ChatMessage

Modifier and Type	Method and Description
static String	ChatMessageSerializer.messagesToJson(List<ChatMessage> messages) Serializes a list of chat messages into a JSON string.

Uses of ChatMessage in dev.langchain4j.memory

Methods in dev.langchain4j.memory that return types with arguments of type ChatMessage

Modifier and Type	Method and Description
List<ChatMessage>	ChatMemory.messages() Retrieves messages from the chat memory.

Methods in dev.langchain4j.memory with parameters of type ChatMessage

Modifier and Type	Method and Description
void	ChatMemory.add(ChatMessage message) Adds a message to the chat memory.

Uses of ChatMessage in dev.langchain4j.model

Methods in dev.langchain4j.model with parameters of type ChatMessage

Modifier and Type	Method and Description
int	Tokenizer.estimateTokenCountInMessage(ChatMessage message)

Method parameters in dev.langchain4j.model with type arguments of type ChatMessage

Modifier and Type	Method and Description
int	Tokenizer.estimateTokenCountInMessages(Iterable<ChatMessage> messages)

Uses of ChatMessage in dev.langchain4j.model.chat

Methods in dev.langchain4j.model.chat with parameters of type ChatMessage

Modifier and Type	Method and Description
default Response<AiMessage>	ChatLanguageModel.generate(ChatMessage... messages) Generates a response from the model based on a sequence of messages.

Method parameters in dev.langchain4j.model.chat with type arguments of type ChatMessage

Modifier and Type	Method and Description
int	TokenCountEstimator.estimateTokenCount(List<ChatMessage> messages)
Response<AiMessage>	ChatLanguageModel.generate(List<ChatMessage> messages) Generates a response from the model based on a sequence of messages.
Response<AiMessage>	ChatLanguageModel.generate(List<ChatMessage> messages, List<ToolSpecification> toolSpecifications) Generates a response from the model based on a list of messages and a list of tool specifications.
void	StreamingChatLanguageModel.generate(List<ChatMessage> messages, List<ToolSpecification> toolSpecifications, StreamingResponseHandler<AiMessage> handler) Generates a response from the model based on a list of messages and a list of tool specifications.
void	StreamingChatLanguageModel.generate(List<ChatMessage> messages, StreamingResponseHandler<AiMessage> handler) Generates a response from the model based on a sequence of messages.
Response<AiMessage>	ChatLanguageModel.generate(List<ChatMessage> messages, ToolSpecification toolSpecification) Generates a response from the model based on a list of messages and a single tool specification.
void	StreamingChatLanguageModel.generate(List<ChatMessage> messages, ToolSpecification toolSpecification, StreamingResponseHandler<AiMessage> handler)

Uses of ChatMessage in dev.langchain4j.model.moderation

Methods in dev.langchain4j.model.moderation with parameters of type ChatMessage

Modifier and Type	Method and Description
Response<Moderation>	ModerationModel.moderate(ChatMessage message)

Method parameters in dev.langchain4j.model.moderation with type arguments of type ChatMessage

Modifier and Type	Method and Description
Response<Moderation>	ModerationModel.moderate(List<ChatMessage> messages)

Uses of ChatMessage in dev.langchain4j.store.memory.chat

Methods in dev.langchain4j.store.memory.chat that return types with arguments of type ChatMessage

Modifier and Type	Method and Description
List<ChatMessage>	InMemoryChatMemoryStore.getMessages(Object memoryId)
List<ChatMessage>	ChatMemoryStore.getMessages(Object memoryId) Retrieves messages for a specified chat memory.

Method parameters in dev.langchain4j.store.memory.chat with type arguments of type ChatMessage

Modifier and Type	Method and Description
void	InMemoryChatMemoryStore.updateMessages(Object memoryId, List<ChatMessage> messages)
void	ChatMemoryStore.updateMessages(Object memoryId, List<ChatMessage> messages) Updates messages for a specified chat memory.