batch_test.callbacks.inc

<?php


/**
 * @file
 * Batch callbacks for the Batch API tests.
 */

/**
 * Implements callback_batch_operation().
 *
 * Simple batch operation.
 */
function _batch_test_callback_1($id, $sleep, &$context) {
    // No-op, but ensure the batch take a couple iterations.
    // Batch needs time to run for the test, so sleep a bit.
    usleep($sleep);
    // Track execution, and store some result for post-processing in the
    // 'finished' callback.
    batch_test_stack("op 1 id {$id}");
    $context['results'][1][] = $id;
}

/**
 * Implements callback_batch_operation().
 *
 * Multistep batch operation.
 */
function _batch_test_callback_2($start, $total, $sleep, &$context) {
    // Initialize context with progress information.
    if (!isset($context['sandbox']['current'])) {
        $context['sandbox']['current'] = $start;
        $context['sandbox']['count'] = 0;
    }
    // Process by groups of 5 (arbitrary value).
    $limit = 5;
    for ($i = 0; $i < $limit && $context['sandbox']['count'] < $total; $i++) {
        // No-op, but ensure the batch take a couple iterations.
        // Batch needs time to run for the test, so sleep a bit.
        usleep($sleep);
        // Track execution, and store some result for post-processing in the
        // 'finished' callback.
        $id = $context['sandbox']['current'] + $i;
        batch_test_stack("op 2 id {$id}");
        $context['results'][2][] = $id;
        // Update progress information.
        $context['sandbox']['count']++;
    }
    $context['sandbox']['current'] += $i;
    // Inform batch engine about progress.
    if ($context['sandbox']['count'] != $total) {
        $context['finished'] = $context['sandbox']['count'] / $total;
    }
}

/**
 * Implements callback_batch_operation().
 *
 * Simple batch operation.
 */
function _batch_test_callback_5($id, $sleep, &$context) {
    // No-op, but ensure the batch take a couple iterations.
    // Batch needs time to run for the test, so sleep a bit.
    usleep($sleep);
    // Track execution, and store some result for post-processing in the
    // 'finished' callback.
    batch_test_stack("op 5 id {$id}");
    $context['results'][5][] = $id;
    // This test is to test finished > 1
    $context['finished'] = 3.14;
}

/**
 * Implements callback_batch_operation().
 *
 * Batch operation setting up its own batch.
 */
function _batch_test_nested_batch_callback() {
    batch_test_stack('setting up batch 2');
    batch_set(_batch_test_batch_2());
}

/**
 * Implements callback_batch_finished().
 *
 * Common 'finished' callbacks for batches 1 to 4.
 */
function _batch_test_finished_helper($batch_id, $success, $results, $operations) {
    $messages = array(
        "results for batch {$batch_id}",
    );
    if ($results) {
        foreach ($results as $op => $op_results) {
            $messages[] = 'op ' . $op . ': processed ' . count($op_results) . ' elements';
        }
    }
    else {
        $messages[] = 'none';
    }
    if (!$success) {
        // A fatal error occurred during the processing.
        $error_operation = reset($operations);
        $messages[] = t('An error occurred while processing @op with arguments:<br/>@args', array(
            '@op' => $error_operation[0],
            '@args' => print_r($error_operation[1], TRUE),
        ));
    }
    drupal_set_message(implode('<br />', $messages));
}

/**
 * Implements callback_batch_finished().
 *
 * 'finished' callback for batch 0.
 */
function _batch_test_finished_0($success, $results, $operations) {
    _batch_test_finished_helper(0, $success, $results, $operations);
}

/**
 * Implements callback_batch_finished().
 *
 * 'finished' callback for batch 1.
 */
function _batch_test_finished_1($success, $results, $operations) {
    _batch_test_finished_helper(1, $success, $results, $operations);
}

/**
 * Implements callback_batch_finished().
 *
 * 'finished' callback for batch 2.
 */
function _batch_test_finished_2($success, $results, $operations) {
    _batch_test_finished_helper(2, $success, $results, $operations);
}

/**
 * Implements callback_batch_finished().
 *
 * 'finished' callback for batch 3.
 */
function _batch_test_finished_3($success, $results, $operations) {
    _batch_test_finished_helper(3, $success, $results, $operations);
}

/**
 * Implements callback_batch_finished().
 *
 * 'finished' callback for batch 4.
 */
function _batch_test_finished_4($success, $results, $operations) {
    _batch_test_finished_helper(4, $success, $results, $operations);
}

/**
 * Implements callback_batch_finished().
 *
 * 'finished' callback for batch 5.
 */
function _batch_test_finished_5($success, $results, $operations) {
    _batch_test_finished_helper(5, $success, $results, $operations);
}