Utilizzo della funzionalità di ragionamento di Anthropic Claude 3.7 Sonnet su Amazon Bedrock

Utilizza la funzionalità di ragionamento di Anthropic Claude 3.7 Sonnet con il client di runtime asincrono di Bedrock.

import com.example.bedrockruntime.models.anthropicClaude.lib.ReasoningResponse;
import software.amazon.awssdk.auth.credentials.DefaultCredentialsProvider;
import software.amazon.awssdk.core.document.Document;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.bedrockruntime.BedrockRuntimeAsyncClient;
import software.amazon.awssdk.services.bedrockruntime.model.*;

import java.util.concurrent.CompletableFuture;

/**
 * This example demonstrates how to use Anthropic Claude 3.7 Sonnet's reasoning capability
 * with an asynchronous Amazon Bedrock runtime client.
 * It shows how to:
 * - Set up the Amazon Bedrock async runtime client
 * - Create a message
 * - Configure reasoning parameters
 * - Send an asynchronous request with reasoning enabled
 * - Process both the reasoning output and final response
 */
public class ReasoningAsync {

    public static ReasoningResponse reasoningAsync() {

        // Create the Amazon Bedrock runtime client
        var client = BedrockRuntimeAsyncClient.builder()
                .credentialsProvider(DefaultCredentialsProvider.create())
                .region(Region.US_EAST_1)
                .build();

        // Specify the model ID. For the latest available models, see:
        // https://docs.aws.amazon.com/bedrock/latest/userguide/models-supported.html
        var modelId = "us.anthropic.claude-3-7-sonnet-20250219-v1:0";

        // Create the message with the user's prompt
        var prompt = "Describe the purpose of a 'hello world' program in one line.";
        var message = Message.builder()
                .content(ContentBlock.fromText(prompt))
                .role(ConversationRole.USER)
                .build();

        // Configure reasoning parameters with a 2000 token budget
        Document reasoningConfig = Document.mapBuilder()
                .putDocument("thinking", Document.mapBuilder()
                        .putString("type", "enabled")
                        .putNumber("budget_tokens", 2000)
                        .build())
                .build();

        try {
            // Send message and reasoning configuration to the model
            CompletableFuture<ConverseResponse> asyncResponse = client.converse(request -> request
                    .additionalModelRequestFields(reasoningConfig)
                    .messages(message)
                    .modelId(modelId)
            );

            // Process the response asynchronously
            return asyncResponse.thenApply(response -> {

                        var content = response.output().message().content();
                        ReasoningContentBlock reasoning = null;
                        String text = null;

                        // Process each content block to find reasoning and response text
                        for (ContentBlock block : content) {
                            if (block.reasoningContent() != null) {
                                reasoning = block.reasoningContent();
                            } else if (block.text() != null) {
                                text = block.text();
                            }
                        }

                        return new ReasoningResponse(reasoning, text);
                    }
            ).get();

        } catch (Exception e) {
            System.err.printf("Can't invoke '%s': %s", modelId, e.getMessage());
            throw new RuntimeException(e);
        }
    }

    public static void main(String[] args) {
        // Execute the example and display reasoning and final response
        ReasoningResponse response = reasoningAsync();
        System.out.println("\n<thinking>");
        System.out.println(response.reasoning().reasoningText());
        System.out.println("</thinking>\n");
        System.out.println(response.text());
    }
}

Utilizza la funzionalità di ragionamento di Anthropic Claude 3.7 Sonnet con il client di runtime sincrono di Bedrock.

import com.example.bedrockruntime.models.anthropicClaude.lib.ReasoningResponse;
import software.amazon.awssdk.auth.credentials.DefaultCredentialsProvider;
import software.amazon.awssdk.core.document.Document;
import software.amazon.awssdk.core.exception.SdkClientException;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.bedrockruntime.BedrockRuntimeClient;
import software.amazon.awssdk.services.bedrockruntime.model.*;

/**
 * This example demonstrates how to use Anthropic Claude 3.7 Sonnet's reasoning capability
 * with the synchronous Amazon Bedrock runtime client.
 * It shows how to:
 * - Set up the Amazon Bedrock runtime client
 * - Create a message
 * - Configure reasoning parameters
 * - Send a request with reasoning enabled
 * - Process both the reasoning output and final response
 */
public class Reasoning {

    public static ReasoningResponse reasoning() {

        // Create the Amazon Bedrock runtime client
        var client = BedrockRuntimeClient.builder()
                .credentialsProvider(DefaultCredentialsProvider.create())
                .region(Region.US_EAST_1)
                .build();

        // Specify the model ID. For the latest available models, see:
        // https://docs.aws.amazon.com/bedrock/latest/userguide/models-supported.html
        var modelId = "us.anthropic.claude-3-7-sonnet-20250219-v1:0";

        // Create the message with the user's prompt
        var prompt = "Describe the purpose of a 'hello world' program in one line.";
        var message = Message.builder()
                .content(ContentBlock.fromText(prompt))
                .role(ConversationRole.USER)
                .build();

        // Configure reasoning parameters with a 2000 token budget
        Document reasoningConfig = Document.mapBuilder()
                .putDocument("thinking", Document.mapBuilder()
                        .putString("type", "enabled")
                        .putNumber("budget_tokens", 2000)
                        .build())
                .build();

        try {
            // Send message and reasoning configuration to the model
            ConverseResponse bedrockResponse = client.converse(request -> request
                    .additionalModelRequestFields(reasoningConfig)
                    .messages(message)
                    .modelId(modelId)
            );


            // Extract both reasoning and final response
            var content = bedrockResponse.output().message().content();
            ReasoningContentBlock reasoning = null;
            String text = null;

            // Process each content block to find reasoning and response text
            for (ContentBlock block : content) {
                if (block.reasoningContent() != null) {
                    reasoning = block.reasoningContent();
                } else if (block.text() != null) {
                    text = block.text();
                }
            }

            return new ReasoningResponse(reasoning, text);

        } catch (SdkClientException e) {
            System.err.printf("ERROR: Can't invoke '%s'. Reason: %s", modelId, e.getMessage());
            throw new RuntimeException(e);
        }
    }

    public static void main(String[] args) {
        // Execute the example and display reasoning and final response
        ReasoningResponse response = reasoning();
        System.out.println("\n<thinking>");
        System.out.println(response.reasoning().reasoningText());
        System.out.println("</thinking>\n");
        System.out.println(response.text());
    }
}