function views_plugin_cache::cache_get in Views (for Drupal 7) 6.3

Same name and namespace in other branches

1. 6.2 plugins/views_plugin_cache.inc \views_plugin_cache::cache_get()
2. 7.3 plugins/views_plugin_cache.inc \views_plugin_cache::cache_get()

Retrieve data from the cache.

A plugin should override this to provide specialized caching behavior.

1 method overrides views_plugin_cache::cache_get()

views_plugin_cache_none::cache_get in plugins/views_plugin_cache_none.inc

Retrieve data from the cache.

File

plugins/views_plugin_cache.inc, line 104

Class

views_plugin_cache

The base plugin to handle caching.

Code

function cache_get($type) {
  $cutoff = $this
    ->cache_expire($type);
  switch ($type) {
    case 'query':

      // Not supported currently, but this is certainly where we'd put it.
      return FALSE;
    case 'results':

      // Values to set: $view->result, $view->total_rows, $view->execute_time,
      // $view->current_page.
      $results_key = $this
        ->get_results_key();
      if ($results_key === FALSE) {
        return FALSE;
      }
      else {
        if ($cache = cache_get($results_key, $this->table)) {
          if (!$cutoff || $cache->created > $cutoff) {
            $this->view->result = $cache->data['result'];
            $this->view->total_rows = $cache->data['total_rows'];
            $this->view
              ->set_current_page($cache->data['current_page']);
            $this->view->execute_time = 0;
            return TRUE;
          }
        }
      }
      return FALSE;
    case 'output':
      if ($cache = cache_get($this
        ->get_output_key(), $this->table)) {
        if (!$cutoff || $cache->created > $cutoff) {
          $this->storage = $cache->data;
          $this->view->display_handler->output = $cache->data['output'];
          $this
            ->restore_headers();
          return TRUE;
        }
      }
      return FALSE;
  }
}