Package dev.langchain4j.model.bedrock

Class BedrockAnthropicMessageChatModel

java.lang.Object

dev.langchain4j.model.bedrock.internal.AbstractSharedBedrockChatModel

dev.langchain4j.model.bedrock.internal.AbstractBedrockChatModel<BedrockAnthropicMessageChatModelResponse>

dev.langchain4j.model.bedrock.BedrockAnthropicMessageChatModel

All Implemented Interfaces:

ChatLanguageModel

public class BedrockAnthropicMessageChatModel
extends AbstractBedrockChatModel<BedrockAnthropicMessageChatModelResponse>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	BedrockAnthropicMessageChatModel.Types	Bedrock Anthropic model ids

Field Summary

Fields inherited from class dev.langchain4j.model.bedrock.internal.AbstractSharedBedrockChatModel

ASSISTANT_PROMPT, assistantPrompt, credentialsProvider, HUMAN_PROMPT, humanPrompt, maxRetries, maxTokens, region, stopSequences, temperature, topP

Constructor Summary

Constructors

Constructor	Description
BedrockAnthropicMessageChatModel()

Method Summary

Modifier and Type	Method	Description
Response<AiMessage>	generate(List<ChatMessage> messages)	Generates a response from the model based on a sequence of messages.
protected String	getModelId()	Get model id
protected Map<String,Object>	getRequestParameters(String prompt)	Get request parameters
Class<BedrockAnthropicMessageChatModelResponse>	getResponseClassType()	Get response class type

Methods inherited from class dev.langchain4j.model.bedrock.internal.AbstractBedrockChatModel

invoke, of

Methods inherited from class dev.langchain4j.model.bedrock.internal.AbstractSharedBedrockChatModel

chatMessageToString, convertMessagesToAwsBody

Methods inherited from class java.lang.Object

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

Methods inherited from interface dev.langchain4j.model.chat.ChatLanguageModel

chat, generate, generate, generate, generate, supportedCapabilities

Constructor Details

BedrockAnthropicMessageChatModel

public BedrockAnthropicMessageChatModel()

Method Details

getModelId

protected String getModelId()

Description copied from class: AbstractSharedBedrockChatModel

Get model id

Specified by:

getModelId in class AbstractSharedBedrockChatModel

Returns:

model id

getRequestParameters

protected Map<String,Object> getRequestParameters(String prompt)

Description copied from class: AbstractBedrockChatModel

Get request parameters

Specified by:

getRequestParameters in class AbstractBedrockChatModel<BedrockAnthropicMessageChatModelResponse>

Parameters:

prompt - prompt

Returns:

request body

generate

public Response<AiMessage> generate(List<ChatMessage> messages)

Description copied from interface: ChatLanguageModel

Generates a response from the model based on a sequence of messages. Typically, the sequence contains messages in the following order: System (optional) - User - AI - User - AI - User ...

Specified by:

generate in interface ChatLanguageModel

Overrides:

generate in class AbstractBedrockChatModel<BedrockAnthropicMessageChatModelResponse>

Parameters:

messages - A list of messages.

Returns:

The response generated by the model.

getResponseClassType

public Class<BedrockAnthropicMessageChatModelResponse> getResponseClassType()

Description copied from class: AbstractBedrockChatModel

Get response class type

Specified by:

getResponseClassType in class AbstractBedrockChatModel<BedrockAnthropicMessageChatModelResponse>

Returns:

response class type