Contoh Amazon Bedrock menggunakan SDK untuk Java 2.x

Contoh kode berikut menunjukkan cara melakukan tindakan dan mengimplementasikan skenario umum dengan menggunakan AWS SDK for Java 2.x With Amazon Bedrock.

Tindakan adalah kutipan kode dari program yang lebih besar dan harus dijalankan dalam konteks. Meskipun tindakan menunjukkan cara memanggil fungsi layanan individual, Anda dapat melihat tindakan dalam konteks pada skenario terkait dan contoh lintas layanan.

Skenario adalah contoh kode yang menunjukkan cara menyelesaikan tugas tertentu dengan memanggil beberapa fungsi dalam layanan yang sama.

Setiap contoh menyertakan tautan ke GitHub, di mana Anda dapat menemukan petunjuk tentang cara mengatur dan menjalankan kode dalam konteks.

Tindakan

GetFoundationModel

Contoh kode berikut menunjukkan cara menggunakanGetFoundationModel.

SDKuntuk Java 2.x

catatan

Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara mengatur dan menjalankannya di AWS Repositori Contoh Kode.

Dapatkan detail tentang model foundation menggunakan klien Amazon Bedrock sinkron.

    /**
     * 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);
        }
    }

Dapatkan detail tentang model foundation menggunakan klien Amazon Bedrock asinkron.

    /**
     * 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);
        }
    }

• Untuk API detailnya, lihat GetFoundationModeldi AWS SDK for Java 2.x APIReferensi.

ListFoundationModels

Contoh kode berikut menunjukkan cara menggunakanListFoundationModels.

SDKuntuk Java 2.x

catatan

Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara mengatur dan menjalankannya di AWS Repositori Contoh Kode.

Buat daftar model foundation Amazon Bedrock yang tersedia menggunakan klien Amazon Bedrock sinkron.

    /**
     * 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);
        }
    }

Buat daftar model foundation Amazon Bedrock yang tersedia menggunakan klien Amazon Bedrock asinkron.

    /**
     * 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);
        }
    }

• Untuk API detailnya, lihat ListFoundationModelsdi AWS SDK for Java 2.x APIReferensi.