Bedrock Converse API

var options = ToolCallingChatOptions.builder()
        .model("anthropic.claude-3-5-sonnet-20240620-v1:0")
        .temperature(0.6)
        .maxTokens(300)
        .toolCallbacks(List.of(FunctionToolCallback.builder("getCurrentWeather", new WeatherService())
            .description("Get the weather in location. Return temperature in 36°F or 36°C format. Use multi-turn if needed.")
            .inputType(WeatherService.Request.class)
            .build()))
        .build();

String response = ChatClient.create(this.chatModel)
    .prompt("What is current weather in Amsterdam?")
    .options(options)
    .call()
    .content();

public class WeatherService {

    @Tool(description = "Get the weather in location")
    public String weatherByLocation(@ToolParam(description= "City or state name") String location) {
        ...
    }
}

String response = ChatClient.create(this.chatModel)
        .prompt("What's the weather like in Boston?")
        .tools(new WeatherService())
        .call()
        .content();

@Bean
@Description("Get the weather in location. Return temperature in 36°F or 36°C format.")
public Function<Request, Response> weatherFunction() {
    return new MockWeatherService();
}

String response = ChatClient.create(this.chatModel)
        .prompt("What's the weather like in Boston?")
        .tools("weatherFunction")
        .inputType(Request.class)
        .call()
        .content();

spring.ai.bedrock.aws.region=eu-central-1
spring.ai.bedrock.aws.timeout=10m
spring.ai.bedrock.aws.access-key=${AWS_ACCESS_KEY_ID}
spring.ai.bedrock.aws.secret-key=${AWS_SECRET_ACCESS_KEY}
# session token is only required for temporary credentials
spring.ai.bedrock.aws.session-token=${AWS_SESSION_TOKEN}

spring.ai.bedrock.converse.chat.options.temperature=0.8
spring.ai.bedrock.converse.chat.options.top-k=15

@RestController
public class ChatController {

    private final ChatClient chatClient;

    @Autowired
    public ChatController(ChatClient.Builder builder) {
        this.chatClient = builder.build();
    }

    @GetMapping("/ai/generate")
    public Map generate(@RequestParam(value = "message", defaultValue = "Tell me a joke") String message) {
        return Map.of("generation", this.chatClient.prompt(message).call().content());
    }

    @GetMapping("/ai/generateStream")
    public Flux<ChatResponse> generateStream(@RequestParam(value = "message", defaultValue = "Tell me a joke") String message) {
        return this.chatClient.prompt(message).stream().content();
    }
}