Use DeleteSchemaMapping with an AWS SDK

The following code examples show how to use DeleteSchemaMapping.

Action examples are code excerpts from larger programs and must be run in context. You can see this action in context in the following code example:

• Learn the basics

Java

SDK for Java 2.x

Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

    /**
     * Deletes the schema mapping asynchronously.
     *
     * @param schemaName the name of the schema to delete
     * @return a {@link CompletableFuture} that completes when the schema mapping is deleted successfully,
     * or throws a {@link RuntimeException} if the deletion fails
     */
    public CompletableFuture<DeleteSchemaMappingResponse> deleteSchemaMappingAsync(String schemaName) {
        DeleteSchemaMappingRequest request = DeleteSchemaMappingRequest.builder()
            .schemaName(schemaName)
            .build();

        return getResolutionAsyncClient().deleteSchemaMapping(request)
            .whenComplete((response, exception) -> {
                if (response != null) {
                    // Successfully deleted the schema mapping, log the success message.
                    logger.info("Schema mapping '{}' deleted successfully.", schemaName);
                } else {
                    // Ensure exception is not null before accessing its cause.
                    if (exception == null) {
                        throw new CompletionException("An unknown error occurred while deleting the schema mapping.", null);
                    }

                    Throwable cause = exception.getCause();
                    if (cause instanceof ResourceNotFoundException) {
                        throw new CompletionException("The schema mapping was not found to delete: " + schemaName, cause);
                    }

                    // Wrap other AWS exceptions in a CompletionException.
                    throw new CompletionException("Failed to delete schema mapping: " + schemaName, exception);
                }
            });
    }

• For API details, see DeleteSchemaMapping in AWS SDK for Java 2.x API Reference.

JavaScript

SDK for JavaScript (v3)

Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

//The default inputs for this demo are read from the ../inputs.json.

import { fileURLToPath } from "node:url";

import {
  DeleteSchemaMappingCommand,
  EntityResolutionClient,
} from "@aws-sdk/client-entityresolution";
import data from "../inputs.json" with { type: "json" };

const region = "eu-west-1";
const erClient = new EntityResolutionClient({ region: region });

export const main = async () => {
  const deleteSchemaMapping = {
    schemaName: `${data.inputs.schemaNameJson}`,
  };
  try {
    const command = new DeleteSchemaMappingCommand(deleteSchemaMapping);
    const response = await erClient.send(command);
    console.log("Schema mapping deleted successfully. ", response);
  } catch (error) {
    console.log("error ", error);
  }
};

• For API details, see DeleteSchemaMapping in AWS SDK for JavaScript API Reference.