use Google\ApiCore\ApiException;
use Google\ApiCore\OperationResponse;
use Google\Cloud\Datastore\Admin\V1\Client\DatastoreAdminClient;
use Google\Cloud\Datastore\Admin\V1\CreateIndexRequest;
use Google\Cloud\Datastore\Admin\V1\Index;
use Google\Rpc\Status;

/**
 * This sample has been automatically generated and should be regarded as a code
 * template only. It will require modifications to work:
 *  - It may require correct/in-range values for request initialization.
 *  - It may require specifying regional endpoints when creating the service client,
 *    please see the apiEndpoint client configuration option for more details.
 */
function create_index_sample(): void
{
    // Create a client.
    $datastoreAdminClient = new DatastoreAdminClient();

    // Prepare the request message.
    $request = new CreateIndexRequest();

    // Call the API and handle any network failures.
    try {
        /** @var OperationResponse $response */
        $response = $datastoreAdminClient->createIndex($request);
        $response->pollUntilComplete();

        if ($response->operationSucceeded()) {
            /** @var Index $result */
            $result = $response->getResult();
            printf('Operation successful with response data: %s' . PHP_EOL, $result->serializeToJsonString());
        } else {
            /** @var Status $error */
            $error = $response->getError();
            printf('Operation failed with error data: %s' . PHP_EOL, $error->serializeToJsonString());
        }
    } catch (ApiException $ex) {
        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
    }
} 

 use Google\ApiCore\ApiException;
use Google\ApiCore\OperationResponse;
use Google\Cloud\Datastore\Admin\V1\Client\DatastoreAdminClient;
use Google\Cloud\Datastore\Admin\V1\DeleteIndexRequest;
use Google\Cloud\Datastore\Admin\V1\Index;
use Google\Rpc\Status;

/**
 * This sample has been automatically generated and should be regarded as a code
 * template only. It will require modifications to work:
 *  - It may require correct/in-range values for request initialization.
 *  - It may require specifying regional endpoints when creating the service client,
 *    please see the apiEndpoint client configuration option for more details.
 */
function delete_index_sample(): void
{
    // Create a client.
    $datastoreAdminClient = new DatastoreAdminClient();

    // Prepare the request message.
    $request = new DeleteIndexRequest();

    // Call the API and handle any network failures.
    try {
        /** @var OperationResponse $response */
        $response = $datastoreAdminClient->deleteIndex($request);
        $response->pollUntilComplete();

        if ($response->operationSucceeded()) {
            /** @var Index $result */
            $result = $response->getResult();
            printf('Operation successful with response data: %s' . PHP_EOL, $result->serializeToJsonString());
        } else {
            /** @var Status $error */
            $error = $response->getError();
            printf('Operation failed with error data: %s' . PHP_EOL, $error->serializeToJsonString());
        }
    } catch (ApiException $ex) {
        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
    }
} 

 use Google\ApiCore\ApiException;
use Google\ApiCore\OperationResponse;
use Google\Cloud\Datastore\Admin\V1\Client\DatastoreAdminClient;
use Google\Cloud\Datastore\Admin\V1\ExportEntitiesRequest;
use Google\Cloud\Datastore\Admin\V1\ExportEntitiesResponse;
use Google\Rpc\Status;

/**
 * @param string $projectId       Project ID against which to make the request.
 * @param string $outputUrlPrefix Location for the export metadata and data files.
 *
 *                                The full resource URL of the external storage location. Currently, only
 *                                Google Cloud Storage is supported. So output_url_prefix should be of the
 *                                form: `gs://BUCKET_NAME[/NAMESPACE_PATH]`, where `BUCKET_NAME` is the
 *                                name of the Cloud Storage bucket and `NAMESPACE_PATH` is an optional Cloud
 *                                Storage namespace path (this is not a Cloud Datastore namespace). For more
 *                                information about Cloud Storage namespace paths, see
 *                                [Object name
 *                                considerations](https://cloud.google.com/storage/docs/naming#object-considerations).
 *
 *                                The resulting files will be nested deeper than the specified URL prefix.
 *                                The final output URL will be provided in the
 *                                [google.datastore.admin.v1.ExportEntitiesResponse.output_url][google.datastore.admin.v1.ExportEntitiesResponse.output_url] field. That
 *                                value should be used for subsequent ImportEntities operations.
 *
 *                                By nesting the data files deeper, the same Cloud Storage bucket can be used
 *                                in multiple ExportEntities operations without conflict.
 */
function export_entities_sample(string $projectId, string $outputUrlPrefix): void
{
    // Create a client.
    $datastoreAdminClient = new DatastoreAdminClient();

    // Prepare the request message.
    $request = (new ExportEntitiesRequest())
        ->setProjectId($projectId)
        ->setOutputUrlPrefix($outputUrlPrefix);

    // Call the API and handle any network failures.
    try {
        /** @var OperationResponse $response */
        $response = $datastoreAdminClient->exportEntities($request);
        $response->pollUntilComplete();

        if ($response->operationSucceeded()) {
            /** @var ExportEntitiesResponse $result */
            $result = $response->getResult();
            printf('Operation successful with response data: %s' . PHP_EOL, $result->serializeToJsonString());
        } else {
            /** @var Status $error */
            $error = $response->getError();
            printf('Operation failed with error data: %s' . PHP_EOL, $error->serializeToJsonString());
        }
    } catch (ApiException $ex) {
        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
    }
}

/**
 * This sample has been automatically generated and should be regarded as a code
 * template only. It will require modifications to work:
 *  - It may require correct/in-range values for request initialization.
 *  - It may require specifying regional endpoints when creating the service client,
 *    please see the apiEndpoint client configuration option for more details.
 */
function callSample(): void
{
    $projectId = '[PROJECT_ID]';
    $outputUrlPrefix = '[OUTPUT_URL_PREFIX]';

    export_entities_sample($projectId, $outputUrlPrefix);
} 

 use Google\ApiCore\ApiException;
use Google\Cloud\Datastore\Admin\V1\Client\DatastoreAdminClient;
use Google\Cloud\Datastore\Admin\V1\GetIndexRequest;
use Google\Cloud\Datastore\Admin\V1\Index;

/**
 * This sample has been automatically generated and should be regarded as a code
 * template only. It will require modifications to work:
 *  - It may require correct/in-range values for request initialization.
 *  - It may require specifying regional endpoints when creating the service client,
 *    please see the apiEndpoint client configuration option for more details.
 */
function get_index_sample(): void
{
    // Create a client.
    $datastoreAdminClient = new DatastoreAdminClient();

    // Prepare the request message.
    $request = new GetIndexRequest();

    // Call the API and handle any network failures.
    try {
        /** @var Index $response */
        $response = $datastoreAdminClient->getIndex($request);
        printf('Response data: %s' . PHP_EOL, $response->serializeToJsonString());
    } catch (ApiException $ex) {
        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
    }
} 

 use Google\ApiCore\ApiException;
use Google\ApiCore\OperationResponse;
use Google\Cloud\Datastore\Admin\V1\Client\DatastoreAdminClient;
use Google\Cloud\Datastore\Admin\V1\ImportEntitiesRequest;
use Google\Rpc\Status;

/**
 * @param string $projectId Project ID against which to make the request.
 * @param string $inputUrl  The full resource URL of the external storage location. Currently, only
 *                          Google Cloud Storage is supported. So input_url should be of the form:
 *                          `gs://BUCKET_NAME[/NAMESPACE_PATH]/OVERALL_EXPORT_METADATA_FILE`, where
 *                          `BUCKET_NAME` is the name of the Cloud Storage bucket, `NAMESPACE_PATH` is
 *                          an optional Cloud Storage namespace path (this is not a Cloud Datastore
 *                          namespace), and `OVERALL_EXPORT_METADATA_FILE` is the metadata file written
 *                          by the ExportEntities operation. For more information about Cloud Storage
 *                          namespace paths, see
 *                          [Object name
 *                          considerations](https://cloud.google.com/storage/docs/naming#object-considerations).
 *
 *                          For more information, see
 *                          [google.datastore.admin.v1.ExportEntitiesResponse.output_url][google.datastore.admin.v1.ExportEntitiesResponse.output_url].
 */
function import_entities_sample(string $projectId, string $inputUrl): void
{
    // Create a client.
    $datastoreAdminClient = new DatastoreAdminClient();

    // Prepare the request message.
    $request = (new ImportEntitiesRequest())
        ->setProjectId($projectId)
        ->setInputUrl($inputUrl);

    // Call the API and handle any network failures.
    try {
        /** @var OperationResponse $response */
        $response = $datastoreAdminClient->importEntities($request);
        $response->pollUntilComplete();

        if ($response->operationSucceeded()) {
            printf('Operation completed successfully.' . PHP_EOL);
        } else {
            /** @var Status $error */
            $error = $response->getError();
            printf('Operation failed with error data: %s' . PHP_EOL, $error->serializeToJsonString());
        }
    } catch (ApiException $ex) {
        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
    }
}

/**
 * This sample has been automatically generated and should be regarded as a code
 * template only. It will require modifications to work:
 *  - It may require correct/in-range values for request initialization.
 *  - It may require specifying regional endpoints when creating the service client,
 *    please see the apiEndpoint client configuration option for more details.
 */
function callSample(): void
{
    $projectId = '[PROJECT_ID]';
    $inputUrl = '[INPUT_URL]';

    import_entities_sample($projectId, $inputUrl);
} 

 use Google\ApiCore\ApiException;
use Google\ApiCore\PagedListResponse;
use Google\Cloud\Datastore\Admin\V1\Client\DatastoreAdminClient;
use Google\Cloud\Datastore\Admin\V1\Index;
use Google\Cloud\Datastore\Admin\V1\ListIndexesRequest;

/**
 * This sample has been automatically generated and should be regarded as a code
 * template only. It will require modifications to work:
 *  - It may require correct/in-range values for request initialization.
 *  - It may require specifying regional endpoints when creating the service client,
 *    please see the apiEndpoint client configuration option for more details.
 */
function list_indexes_sample(): void
{
    // Create a client.
    $datastoreAdminClient = new DatastoreAdminClient();

    // Prepare the request message.
    $request = new ListIndexesRequest();

    // Call the API and handle any network failures.
    try {
        /** @var PagedListResponse $response */
        $response = $datastoreAdminClient->listIndexes($request);

        /** @var Index $element */
        foreach ($response as $element) {
            printf('Element data: %s' . PHP_EOL, $element->serializeToJsonString());
        }
    } catch (ApiException $ex) {
        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
    }
}