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<?php

/**

 * @file

 * API documentation for hooks.

 */

/**

 * Declare job scheduling holding items that need to be run periodically.

 *

 * @return

 *   An associative array where the key is the queue name and the value is

 *   again an associative array. Possible keys are:

 *   - 'worker callback': The name of the function to call. It will be called

 *     at schedule time.

 *   - 'queue name': The name of the queue to use to queue this task. Must

 *     contain a valid queue name, declared by hook_cron_queue_info().

 *   If queue name is given, worker callback will be ignored.

 *

 * @see hook_cron_job_scheduler_info_alter()

 * @see hook_cron_queue_info()

 * @see hook_cron_queue_info_alter()

 */

function hook_cron_job_scheduler_info() {

  $info = array();

  $info['example_reset'] = array(

    'worker callback' => 'example_cache_clear_worker',

  );

  $info['example_import'] = array(

    'queue name' => 'example_import_queue',

  );

  return $info;

}

/**

 * Alter cron queue information before cron runs.

 *

 * Called by drupal_cron_run() to allow modules to alter cron queue settings

 * before any jobs are processesed.

 *

 * @param array $info

 *   An array of cron schedule information.

 *

 * @see hook_cron_queue_info()

 * @see drupal_cron_run()

 */

function hook_cron_job_scheduler_info_alter(&$info) {

  // Replace the default callback 'example_cache_clear_worker'

  $info['example_reset']['worker callback'] = 'my_custom_reset';

}