apachesolr_cron

Versions

5 – 6

apachesolr_cron()

Implementation of hook_cron().

Code

contributions/apachesolr/apachesolr.module, line 433

<?php
function apachesolr_cron() {
  try {
    $solr = apachesolr_get_solr();

    // Check for unpublished content that wasn't deleted from the index.
    $result = db_query("SELECT n.nid, n.status FROM {apachesolr_search_node} asn INNER JOIN {node} n ON n.nid = asn.nid WHERE asn.status != n.status");
    while ($node = db_fetch_object($result)) {
      _apachesolr_nodeapi_update($node, FALSE);
    }

    // Check for deleted content that wasn't deleted from the index.
    $result = db_query("SELECT asn.nid FROM {apachesolr_search_node} asn LEFT JOIN {node} n ON n.nid = asn.nid WHERE n.nid IS NULL");
    while ($node = db_fetch_object($result)) {
      _apachesolr_nodeapi_delete($node, FALSE);
    }

    // Optimize the index (by default once a day).
    $optimize_interval = variable_get('apachesolr_optimize_interval', 60 * 60 * 24);
    $last = variable_get('apachesolr_last_optimize', 0);
    $time = time();
    if ($optimize_interval && ($time - $last > $optimize_interval)) {
      $solr->optimize(FALSE, FALSE);
      variable_set('apachesolr_last_optimize', $time);
      apachesolr_index_updated($time);
    }

    // Only clear the cache if the index changed.
    // TODO: clear on some schedule if running multi-site.
    $updated = apachesolr_index_updated();
    if ($updated) {
      $solr->clearCache();
      // Re-populate the luke cache.
      $solr->getLuke();
      // TODO: an admin interface for setting this.  Assume for now 5 minutes.
      if ($time - $updated >= variable_get('apachesolr_cache_delay', 300)) {
        // Clear the updated flag.
        apachesolr_index_updated(FALSE);
      }
    }
  }
  catch (Exception $e) {
    watchdog('Apache Solr', nl2br(check_plain($e->getMessage())) .' in apachesolr_cron', WATCHDOG_ERROR);
  }
}
?>

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