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| author | ewinslow <ewinslow@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2010-09-06 02:42:09 +0000 |
|---|---|---|
| committer | ewinslow <ewinslow@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2010-09-06 02:42:09 +0000 |
| commit | 76dac45ebaf104b312a8527a05424601ca9d520a (patch) | |
| tree | 7440558a893ebf1d3816829ecbb96c3b0df9b4f0 /engine/classes/ElggStaticVariableCache.php | |
| parent | 9e8baf614938dfd1687ddce39b409c3c0e5c5753 (diff) | |
| download | elgg-76dac45ebaf104b312a8527a05424601ca9d520a.tar.gz elgg-76dac45ebaf104b312a8527a05424601ca9d520a.tar.bz2 | |
Refs #2220: Pulled most classes / interfaces out of lib files (except query.php and exception.php) into "classes" folder. Replaced inline classes with "require_once" statements for now. Ran unit tests to verify functionality before committing.
git-svn-id: http://code.elgg.org/elgg/trunk@6908 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'engine/classes/ElggStaticVariableCache.php')
| -rw-r--r-- | engine/classes/ElggStaticVariableCache.php | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/engine/classes/ElggStaticVariableCache.php b/engine/classes/ElggStaticVariableCache.php new file mode 100644 index 000000000..0038862bd --- /dev/null +++ b/engine/classes/ElggStaticVariableCache.php @@ -0,0 +1,66 @@ +<?php
+/**
+ * ElggStaticVariableCache
+ * Dummy cache which stores values in a static array. Using this makes future replacements to other caching back
+ * ends (eg memcache) much easier.
+ *
+ * @author Curverider Ltd <info@elgg.com>
+ * @package Elgg
+ * @subpackage API
+ */
+class ElggStaticVariableCache extends ElggSharedMemoryCache {
+ /**
+ * The cache.
+ *
+ * @var unknown_type
+ */
+ private static $__cache;
+
+ /**
+ * Create the variable cache.
+ *
+ * This function creates a variable cache in a static variable in memory, optionally with a given namespace (to avoid overlap).
+ *
+ * @param string $namespace The namespace for this cache to write to - note, namespaces of the same name are shared!
+ */
+ function __construct($namespace = 'default') {
+ $this->setNamespace($namespace);
+ $this->clear();
+ }
+
+ public function save($key, $data) {
+ $namespace = $this->getNamespace();
+
+ ElggStaticVariableCache::$__cache[$namespace][$key] = $data;
+
+ return true;
+ }
+
+ public function load($key, $offset = 0, $limit = null) {
+ $namespace = $this->getNamespace();
+
+ if (isset(ElggStaticVariableCache::$__cache[$namespace][$key])) {
+ return ElggStaticVariableCache::$__cache[$namespace][$key];
+ }
+
+ return false;
+ }
+
+ public function delete($key) {
+ $namespace = $this->getNamespace();
+
+ unset(ElggStaticVariableCache::$__cache[$namespace][$key]);
+
+ return true;
+ }
+
+ public function clear() {
+ $namespace = $this->getNamespace();
+
+ if (!isset(ElggStaticVariableCache::$__cache)) {
+ ElggStaticVariableCache::$__cache = array();
+ }
+
+ ElggStaticVariableCache::$__cache[$namespace] = array();
+ }
+}
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