updated lru cache so easier to integrate

diff --git a/engine/classes/ElggLRUCache.php b/engine/classes/ElggLRUCache.php
index add78ecb4fb38ed6c5dcd5dc317b4b078e647c3f..90e63bb617d970a1cabdff99cd19935a01d0efcf 100644 (file)
--- a/engine/classes/ElggLRUCache.php
+++ b/engine/classes/ElggLRUCache.php
@@ -13,7 +13,7 @@
  * @package    Elgg.Core
  * @subpackage Cache
  */
-class ElggLRUCache {
+class ElggLRUCache implements ArrayAccess {
        /** @var int */
        protected $maximumSize;
 
@@ -54,13 +54,13 @@ class ElggLRUCache {
        }
 
        /**
-        * Put something in the cache
+        * Add something to the cache
         *
         * @param int|string $key   The key. Strings that are ints are cast to ints.
         * @param mixed      $value The value to cache
         * @return void
         */
-       public function put($key, $value) {
+       public function set($key, $value) {
                if (isset($this->data[$key])) {
                        $this->data[$key] = $value;
                        $this->recordAccess($key);
@@ -129,4 +129,53 @@ class ElggLRUCache {
                unset($this->data[$key]);
                $this->data[$key] = $value;
        }
+
+       /**
+        * Assigns a value for the specified key
+        *
+        * @see ArrayAccess::offsetSet()
+        *
+        * @param int|string $key   The key to assign the value to.
+        * @param mixed      $value The value to set.
+        * @return void
+        */
+       function offsetSet($key, $value) {
+               $this->set($key, $value);
+       }
+
+       /**
+        * Get the value for specified key
+        *
+        * @see ArrayAccess::offsetGet()
+        *
+        * @param int|string $key The key to retrieve.
+        * @return mixed
+        */
+       function offsetGet($key) {
+               return $this->get($key);
+       }
+
+       /**
+        * Unsets a key.
+        *
+        * @see ArrayAccess::offsetUnset()
+        *
+        * @param int|string $key The key to unset.
+        * @return void
+        */
+       function offsetUnset($key) {
+               $this->remove($key);
+       }
+
+       /**
+        * Does key exist?
+        *
+        * @see ArrayAccess::offsetExists()
+        *
+        * @param int|string $key A key to check for.
+        * @return boolean
+        */
+       function offsetExists($key) {
+               return $this->containsKey($key);
+       }
 }