Codebeispiele für die Verwendung AWS Entity ResolutionAWS SDKs

Die folgenden Codebeispiele zeigen Ihnen, wie Sie es AWS Entity Resolution mit einem AWS Software Development Kit (SDK) verwenden.

Bei Grundlagen handelt es sich um Code-Beispiele, die Ihnen zeigen, wie Sie die wesentlichen Vorgänge innerhalb eines Services ausführen.

Aktionen sind Codeauszüge aus größeren Programmen und müssen im Kontext ausgeführt werden. Während Aktionen Ihnen zeigen, wie Sie einzelne Service-Funktionen aufrufen, können Sie Aktionen im Kontext der zugehörigen Szenarios anzeigen.

Weitere -Quellen

• AWS Entity Resolution Benutzerhandbuch — Weitere Informationen zu AWS Entity Resolution.

• AWS Entity Resolution API-Referenz — Details zu allen verfügbaren AWS Entity Resolution Aktionen.

• AWS Developer Center — Codebeispiele, die Sie nach Kategorie oder Volltextsuche filtern können.

• AWS SDK-Beispiele — GitHub Repo mit vollständigem Code in bevorzugten Sprachen. Enthält Anweisungen zum Einrichten und Ausführen des Codes.

Erste Schritte

Hallo AWS Entity Resolution

Das folgende Codebeispiel zeigt, wie Sie mit der Verwendung beginnen AWS Entity Resolution.

Java

SDK für Java 2.x

Anmerkung

Es gibt noch mehr dazu GitHub. Sie sehen das vollständige Beispiel und erfahren, wie Sie das AWS -Code-Beispiel-Repository einrichten und ausführen.

/**
 * Before running this Java V2 code example, set up your development
 * environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 */
public class HelloEntityResoultion {

    private static final Logger logger = LoggerFactory.getLogger(HelloEntityResoultion.class);

    private static EntityResolutionAsyncClient entityResolutionAsyncClient;
    public static void main(String[] args) {
        listMatchingWorkflows();
    }

    public static EntityResolutionAsyncClient getResolutionAsyncClient() {
        if (entityResolutionAsyncClient == null) {
            /*
            The `NettyNioAsyncHttpClient` class is part of the AWS SDK for Java, version 2,
            and it is designed to provide a high-performance, asynchronous HTTP client for interacting with AWS services.
             It uses the Netty framework to handle the underlying network communication and the Java NIO API to
             provide a non-blocking, event-driven approach to HTTP requests and responses.
             */

            SdkAsyncHttpClient httpClient = NettyNioAsyncHttpClient.builder()
                .maxConcurrency(50)  // Adjust as needed.
                .connectionTimeout(Duration.ofSeconds(60))  // Set the connection timeout.
                .readTimeout(Duration.ofSeconds(60))  // Set the read timeout.
                .writeTimeout(Duration.ofSeconds(60))  // Set the write timeout.
                .build();

            ClientOverrideConfiguration overrideConfig = ClientOverrideConfiguration.builder()
                .apiCallTimeout(Duration.ofMinutes(2))  // Set the overall API call timeout.
                .apiCallAttemptTimeout(Duration.ofSeconds(90))  // Set the individual call attempt timeout.
                .retryStrategy(RetryMode.STANDARD)
                .build();

            entityResolutionAsyncClient = EntityResolutionAsyncClient.builder()
                .httpClient(httpClient)
                .overrideConfiguration(overrideConfig)
                .build();
        }
        return entityResolutionAsyncClient;
    }

    /**
     * Lists all matching workflows using an asynchronous paginator.
     * <p>
     * This method requests a paginated list of matching workflows from the
     * AWS Entity Resolution service and logs the names of the retrieved workflows.
     * It uses an asynchronous approach with a paginator and waits for the operation
     * to complete using {@code CompletableFuture#join()}.
     * </p>
     */
    public static void listMatchingWorkflows() {
        ListMatchingWorkflowsRequest request = ListMatchingWorkflowsRequest.builder().build();

        ListMatchingWorkflowsPublisher paginator =
            getResolutionAsyncClient().listMatchingWorkflowsPaginator(request);

        // Iterate through the paginated results asynchronously
        CompletableFuture<Void> future = paginator.subscribe(response -> {
            response.workflowSummaries().forEach(workflow ->
                logger.info("Matching Workflow Name: " + workflow.workflowName())
            );
        });

        // Wait for the asynchronous operation to complete
        future.join();
    }
}

• Einzelheiten zur API finden Sie listMatchingWorkflowsin der AWS SDK for Java 2.x API-Referenz.

Hallo AWS Entity Resolution

Das folgende Codebeispiel zeigt, wie Sie mit der Verwendung beginnen AWS Entity Resolution.

Java

SDK für Java 2.x

Anmerkung

Es gibt noch mehr dazu GitHub. Sie sehen das vollständige Beispiel und erfahren, wie Sie das AWS -Code-Beispiel-Repository einrichten und ausführen.

/**
 * Before running this Java V2 code example, set up your development
 * environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 */
public class HelloEntityResoultion {

    private static final Logger logger = LoggerFactory.getLogger(HelloEntityResoultion.class);

    private static EntityResolutionAsyncClient entityResolutionAsyncClient;
    public static void main(String[] args) {
        listMatchingWorkflows();
    }

    public static EntityResolutionAsyncClient getResolutionAsyncClient() {
        if (entityResolutionAsyncClient == null) {
            /*
            The `NettyNioAsyncHttpClient` class is part of the AWS SDK for Java, version 2,
            and it is designed to provide a high-performance, asynchronous HTTP client for interacting with AWS services.
             It uses the Netty framework to handle the underlying network communication and the Java NIO API to
             provide a non-blocking, event-driven approach to HTTP requests and responses.
             */

            SdkAsyncHttpClient httpClient = NettyNioAsyncHttpClient.builder()
                .maxConcurrency(50)  // Adjust as needed.
                .connectionTimeout(Duration.ofSeconds(60))  // Set the connection timeout.
                .readTimeout(Duration.ofSeconds(60))  // Set the read timeout.
                .writeTimeout(Duration.ofSeconds(60))  // Set the write timeout.
                .build();

            ClientOverrideConfiguration overrideConfig = ClientOverrideConfiguration.builder()
                .apiCallTimeout(Duration.ofMinutes(2))  // Set the overall API call timeout.
                .apiCallAttemptTimeout(Duration.ofSeconds(90))  // Set the individual call attempt timeout.
                .retryStrategy(RetryMode.STANDARD)
                .build();

            entityResolutionAsyncClient = EntityResolutionAsyncClient.builder()
                .httpClient(httpClient)
                .overrideConfiguration(overrideConfig)
                .build();
        }
        return entityResolutionAsyncClient;
    }

    /**
     * Lists all matching workflows using an asynchronous paginator.
     * <p>
     * This method requests a paginated list of matching workflows from the
     * AWS Entity Resolution service and logs the names of the retrieved workflows.
     * It uses an asynchronous approach with a paginator and waits for the operation
     * to complete using {@code CompletableFuture#join()}.
     * </p>
     */
    public static void listMatchingWorkflows() {
        ListMatchingWorkflowsRequest request = ListMatchingWorkflowsRequest.builder().build();

        ListMatchingWorkflowsPublisher paginator =
            getResolutionAsyncClient().listMatchingWorkflowsPaginator(request);

        // Iterate through the paginated results asynchronously
        CompletableFuture<Void> future = paginator.subscribe(response -> {
            response.workflowSummaries().forEach(workflow ->
                logger.info("Matching Workflow Name: " + workflow.workflowName())
            );
        });

        // Wait for the asynchronous operation to complete
        future.join();
    }
}

• Einzelheiten zur API finden Sie listMatchingWorkflowsin der AWS SDK for Java 2.x API-Referenz.

Codebeispiele

• Grundlagen

  • Hallo AWS Entity Resolution

  • Erlernen der Grundlagen

  • Aktionen

    • CheckWorkflowStatus

    • CreateMatchingWorkflow

    • CreateSchemaMapping

    • DeleteMatchingWorkflow

    • DeleteSchemaMapping

    • GetMatchingJob

    • GetSchemaMapping

    • ListSchemaMappings

    • StartMatchingJob

    • TagEntityResource