diff options
Diffstat (limited to 'engine/lib/entities.php')
| -rw-r--r-- | engine/lib/entities.php | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/engine/lib/entities.php b/engine/lib/entities.php index 4875b2c2f..05916ddf4 100644 --- a/engine/lib/entities.php +++ b/engine/lib/entities.php @@ -52,9 +52,16 @@ function invalidate_cache_for_entity($guid) { * @see retrieve_cached_entity() * @see invalidate_cache_for_entity() * @access private + * TODO(evan): Use an ElggCache object */ function cache_entity(ElggEntity $entity) { global $ENTITY_CACHE; + + // Don't store too many or we'll have memory problems + // TODO(evan): Pick a less arbitrary limit + if (count($ENTITY_CACHE) > 256) { + unset($ENTITY_CACHE[array_rand($ENTITY_CACHE)]); + } $ENTITY_CACHE[$entity->guid] = $entity; } @@ -675,7 +682,14 @@ function get_entity($guid) { if (!is_numeric($guid) || $guid === 0 || $guid === '0') { return FALSE; } + + // Check local cache first + $new_entity = retrieve_cached_entity($guid); + if ($new_entity) { + return $new_entity; + } + // Check shared memory cache, if available if ((!$newentity_cache) && (is_memcache_available())) { $newentity_cache = new ElggMemcache('new_entity_cache'); } @@ -683,12 +697,14 @@ function get_entity($guid) { if ($newentity_cache) { $new_entity = $newentity_cache->load($guid); } - + if ($new_entity) { return $new_entity; } - return entity_row_to_elggstar(get_entity_as_row($guid)); + $new_entity = entity_row_to_elggstar(get_entity_as_row($guid)); + cache_entity($new_entity); + return $new_entity; } /** @@ -930,6 +946,13 @@ function elgg_get_entities(array $options = array()) { } $dt = get_data($query, $options['callback']); + foreach ($dt as $entity) { + // If a custom callback is provided, it could return something other than ElggEntity, + // so we have to do an explicit check here. + if ($entity instanceof ElggEntity) { + cache_entity($entity); + } + } return $dt; } else { $total = get_data_row($query); |