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<?php
// $Id$
/**
* @file
* Batch callbacks for the Batch API tests.
*/
/**
* 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][] = $id;
}
/**
* Multistep batch operation.
*/
function _batch_test_callback_2($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'] / $total;
}
}
/**
* Simple batch operation.
*/
function _batch_test_callback_5($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
$context['finished'] = 3.14;
}
/**
* Batch operation setting up its own batch.
*/
function _batch_test_nested_batch_callback() {
batch_test_stack('setting up batch 2');
batch_set(_batch_test_batch_2());
}
/**
* Common 'finished' callbacks for batches 1 to 4.
*/
function _batch_test_finished_helper($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 />', $messages));
}
/**
* 'finished' callback for batch 0.
*/
function _batch_test_finished_0($success, $results, $operations) {
_batch_test_finished_helper(0, $success, $results, $operations);
}
/**
* 'finished' callback for batch 1.
*/
function _batch_test_finished_1($success, $results, $operations) {
_batch_test_finished_helper(1, $success, $results, $operations);
}
/**
* 'finished' callback for batch 2.
*/
function _batch_test_finished_2($success, $results, $operations) {
_batch_test_finished_helper(2, $success, $results, $operations);
}
/**
* 'finished' callback for batch 3.
*/
function _batch_test_finished_3($success, $results, $operations) {
_batch_test_finished_helper(3, $success, $results, $operations);
}
/**
* 'finished' callback for batch 4.
*/
function _batch_test_finished_4($success, $results, $operations) {
_batch_test_finished_helper(4, $success, $results, $operations);
}
/**
* 'finished' callback for batch 5.
*/
function _batch_test_finished_5($success, $results, $operations) {
_batch_test_finished_helper(5, $success, $results, $operations);
}
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