Weitere AWS SDK-Beispiele sind im GitHub Repo [AWS Doc SDK Examples](https://github.com/awsdocs/aws-doc-sdk-examples) verfügbar.

Die vorliegende Übersetzung wurde maschinell erstellt. Im Falle eines Konflikts oder eines Widerspruchs zwischen dieser übersetzten Fassung und der englischen Fassung (einschließlich infolge von Verzögerungen bei der Übersetzung) ist die englische Fassung maßgeblich.

# Beschreiben Sie alle Entitäten in einem einzigen Aufruf mithilfe eines AWS SDK
<a name="marketplace-catalog_example_marketplace-catalog_BatchDescribeEntities_section"></a>

Die folgenden Codebeispiele zeigen, wie alle Entitäten in einem einzigen Aufruf beschrieben werden können.

------
#### [ Java ]

**SDK für Java 2.x**  
 Es gibt noch mehr dazu GitHub. Hier finden Sie das vollständige Beispiel und erfahren, wie Sie das Repository der [Codebibliothek der AWS Marketplace -API-Referenz](https://github.com/aws-samples/aws-marketplace-reference-code/tree/main/java#catalog-api-reference-code) einrichten und ausführen. 

```
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package com.example.awsmarketplace.catalogapi;

import static com.example.awsmarketplace.utils.ReferenceCodesConstants.*;
import com.example.awsmarketplace.utils.ReferenceCodesUtils;

import software.amazon.awssdk.auth.credentials.ProfileCredentialsProvider;
import software.amazon.awssdk.http.apache.ApacheHttpClient;
import software.amazon.awssdk.services.marketplacecatalog.MarketplaceCatalogClient;
import software.amazon.awssdk.services.marketplacecatalog.model.BatchDescribeEntitiesRequest;
import software.amazon.awssdk.services.marketplacecatalog.model.EntityRequest;
import software.amazon.awssdk.services.marketplacecatalog.model.BatchDescribeEntitiesResponse;
import software.amazon.awssdk.services.marketplacecatalog.model.EntityDetail;
import software.amazon.awssdk.services.marketplacecatalog.model.BatchDescribeErrorDetail;

import java.util.Arrays;
import java.util.Map;

public class BatchDescribeEntities {

    /*
     * BatchDescribe my entities in a single call and
     *  check if it contains all the information I need to know about the entities.
     */
    public static void main(String[] args) {

        MarketplaceCatalogClient marketplaceCatalogClient =
                MarketplaceCatalogClient.builder()
                        .httpClient(ApacheHttpClient.builder().build())
                        .credentialsProvider(ProfileCredentialsProvider.create())
                        .build();

        BatchDescribeEntitiesRequest batchDescribeEntitiesRequest =
                BatchDescribeEntitiesRequest.builder()
                        .entityRequestList(Arrays.asList(
                                EntityRequest.builder()
                                        .catalog(AWS_MP_CATALOG).entityId(OFFER_ID)
                                        .build(),
                                EntityRequest.builder()
                                        .catalog(AWS_MP_CATALOG).entityId(PRODUCT_ID)
                                        .build()))
                        .build();

        BatchDescribeEntitiesResponse batchDescribeEntitiesResponse = marketplaceCatalogClient.batchDescribeEntities(batchDescribeEntitiesRequest);

        // Reading the successful entities response
        Map<String, EntityDetail> entityDetailsMap = batchDescribeEntitiesResponse.entityDetails();
        for (Map.Entry<String, EntityDetail> entry : entityDetailsMap.entrySet()) {
            System.out.println("EntityId: " + entry.getKey());
            ReferenceCodesUtils.formatOutput(entry.getValue());
        }

        // Logging the failed entities error details
        Map<String, BatchDescribeErrorDetail> entityErrorsMap = batchDescribeEntitiesResponse.errors();
        for (Map.Entry<String, BatchDescribeErrorDetail> entry : entityErrorsMap.entrySet()) {
            System.out.println(String.format("EntityId: %s, ErrorCode: %s, ErrorMessage: %s", entry.getKey(),
                    entry.getValue().errorCode(), entry.getValue().errorMessage()));
        }
    }
}
```
+  Einzelheiten zur API finden Sie [BatchDescribeEntities](https://docs.aws.amazon.com/goto/SdkForJavaV2/marketplace-catalog-2018-09-17/BatchDescribeEntities)in der *AWS SDK for Java 2.x API-Referenz*. 

------
#### [ Python ]

**SDK für Python (Boto3)**  
 Es gibt noch mehr dazu GitHub. Hier finden Sie das vollständige Beispiel und erfahren, wie Sie das Repository der [Codebibliothek der AWS Marketplace -API-Referenz](https://github.com/aws-samples/aws-marketplace-reference-code/blob/main/python##catalog-api-reference-code) einrichten und ausführen. 

```
"""
Purpose
Shows how to use the AWS SDK for Python (Boto3) to describe for multiple entities information in the AWS Marketplace Catalog
CAPI-98
"""

import json
import logging

import boto3
from botocore.exceptions import ClientError

logger = logging.getLogger(__name__)

PRODUCT_ID = "prod-1111111111111"
OFFER_ID = "offer-1111111111111"
MARKETPLACE_CATALOG = "AWSMarketplace"


def pretty_print(response):
    json_object = json.dumps(response, indent=4)
    print(json_object)


def get_entities_information(mp_client):
    """
    Returns information about a given product
    Args: entity_id str: Entity to return
    Returns: dict: Dictionary of product information
    """

    entity_request_list_param = [
        {'EntityId': PRODUCT_ID, 'Catalog': MARKETPLACE_CATALOG},
        {'EntityId': OFFER_ID, 'Catalog': MARKETPLACE_CATALOG}
    ]
    try:
        response = mp_client.batch_describe_entities(
            EntityRequestList=entity_request_list_param
        )

        return response

    except ClientError as e:
        logger.exception("Unexpected error: %s", e)
        raise


def usage_demo():
    logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")

    print("-" * 88)
    print("Looking for entities in the AWS Marketplace Catalog.")
    print("-" * 88)

    mp_client = boto3.client("marketplace-catalog")

    response = get_entities_information(mp_client)
    print("Successful entities response -")
    pretty_print(response["EntityDetails"])
    print("Failed entities response -")
    pretty_print(response["Errors"])


if __name__ == "__main__":
    usage_demo()
```
+  Einzelheiten zur API finden Sie [BatchDescribeEntities](https://docs.aws.amazon.com/goto/boto3/marketplace-catalog-2018-09-17/BatchDescribeEntities)in *AWS SDK for Python (Boto3) API* Reference. 

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