Exemples d'utilisation d'Amazon Bedrock SDK pour Java 2.x

Obtenez des informations sur un modèle de base à l'aide du client synchrone Amazon Bedrock.

    /**
     * Get details about an Amazon Bedrock foundation model.
     *
     * @param bedrockClient   The service client for accessing Amazon Bedrock.
     * @param modelIdentifier The model identifier.
     * @return An object containing the foundation model's details.
     */
    public static FoundationModelDetails getFoundationModel(BedrockClient bedrockClient, String modelIdentifier) {
        try {
            GetFoundationModelResponse response = bedrockClient.getFoundationModel(
                    r -> r.modelIdentifier(modelIdentifier)
            );

            FoundationModelDetails model = response.modelDetails();

            System.out.println(" Model ID:                     " + model.modelId());
            System.out.println(" Model ARN:                    " + model.modelArn());
            System.out.println(" Model Name:                   " + model.modelName());
            System.out.println(" Provider Name:                " + model.providerName());
            System.out.println(" Lifecycle status:             " + model.modelLifecycle().statusAsString());
            System.out.println(" Input modalities:             " + model.inputModalities());
            System.out.println(" Output modalities:            " + model.outputModalities());
            System.out.println(" Supported customizations:     " + model.customizationsSupported());
            System.out.println(" Supported inference types:    " + model.inferenceTypesSupported());
            System.out.println(" Response streaming supported: " + model.responseStreamingSupported());

            return model;

        } catch (ValidationException e) {
            throw new IllegalArgumentException(e.getMessage());
        } catch (SdkException e) {
            System.err.println(e.getMessage());
            throw new RuntimeException(e);
        }
    }

Obtenez des informations sur un modèle de base à l'aide du client asynchrone Amazon Bedrock.

    /**
     * Get details about an Amazon Bedrock foundation model.
     *
     * @param bedrockClient   The async service client for accessing Amazon Bedrock.
     * @param modelIdentifier The model identifier.
     * @return An object containing the foundation model's details.
     */
    public static FoundationModelDetails getFoundationModel(BedrockAsyncClient bedrockClient, String modelIdentifier) {
        try {
            CompletableFuture<GetFoundationModelResponse> future = bedrockClient.getFoundationModel(
                    r -> r.modelIdentifier(modelIdentifier)
            );

            FoundationModelDetails model = future.get().modelDetails();

            System.out.println(" Model ID:                     " + model.modelId());
            System.out.println(" Model ARN:                    " + model.modelArn());
            System.out.println(" Model Name:                   " + model.modelName());
            System.out.println(" Provider Name:                " + model.providerName());
            System.out.println(" Lifecycle status:             " + model.modelLifecycle().statusAsString());
            System.out.println(" Input modalities:             " + model.inputModalities());
            System.out.println(" Output modalities:            " + model.outputModalities());
            System.out.println(" Supported customizations:     " + model.customizationsSupported());
            System.out.println(" Supported inference types:    " + model.inferenceTypesSupported());
            System.out.println(" Response streaming supported: " + model.responseStreamingSupported());

            return model;

        } catch (ExecutionException e) {
            if (e.getMessage().contains("ValidationException")) {
                throw new IllegalArgumentException(e.getMessage());
            } else {
                System.err.println(e.getMessage());
                throw new RuntimeException(e);
            }
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            System.err.println(e.getMessage());
            throw new RuntimeException(e);
        }
    }

Répertoriez les modèles de fondation Amazon Bedrock disponibles à l'aide du client synchrone Amazon Bedrock.

    /**
     * Lists Amazon Bedrock foundation models that you can use.
     * You can filter the results with the request parameters.
     *
     * @param bedrockClient The service client for accessing Amazon Bedrock.
     * @return A list of objects containing the foundation models' details
     */
    public static List<FoundationModelSummary> listFoundationModels(BedrockClient bedrockClient) {

        try {
            ListFoundationModelsResponse response = bedrockClient.listFoundationModels(r -> {});

            List<FoundationModelSummary> models = response.modelSummaries();

            if (models.isEmpty()) {
                System.out.println("No available foundation models in " + region.toString());
            } else {
                for (FoundationModelSummary model : models) {
                    System.out.println("Model ID: " + model.modelId());
                    System.out.println("Provider: " + model.providerName());
                    System.out.println("Name:     " + model.modelName());
                    System.out.println();
                }
            }

            return models;

        } catch (SdkClientException e) {
            System.err.println(e.getMessage());
            throw new RuntimeException(e);
        }
    }

Répertoriez les modèles de fondation Amazon Bedrock disponibles à l'aide du client asynchrone Amazon Bedrock.

    /**
     * Lists Amazon Bedrock foundation models that you can use.
     * You can filter the results with the request parameters.
     *
     * @param bedrockClient The async service client for accessing Amazon Bedrock.
     * @return A list of objects containing the foundation models' details
     */
    public static List<FoundationModelSummary> listFoundationModels(BedrockAsyncClient bedrockClient) {
        try {
            CompletableFuture<ListFoundationModelsResponse> future = bedrockClient.listFoundationModels(r -> {});

            List<FoundationModelSummary> models = future.get().modelSummaries();

            if (models.isEmpty()) {
                System.out.println("No available foundation models in " + region.toString());
            } else {
                for (FoundationModelSummary model : models) {
                    System.out.println("Model ID: " + model.modelId());
                    System.out.println("Provider: " + model.providerName());
                    System.out.println("Name:     " + model.modelName());
                    System.out.println();
                }
            }

            return models;

        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            System.err.println(e.getMessage());
            throw new RuntimeException(e);
        } catch (ExecutionException e) {
            System.err.println(e.getMessage());
            throw new RuntimeException(e);
        }
    }