X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=vendor%2Fdrush%2Fdrush%2Fsrc%2FCache%2FCommandCache.php;fp=vendor%2Fdrush%2Fdrush%2Fsrc%2FCache%2FCommandCache.php;h=39661d526d7c8fffd6572ceed0b1e315272f3d79;hp=0000000000000000000000000000000000000000;hb=af6d1fb995500ae68849458ee10d66abbdcfb252;hpb=680c79a86e3ed402f263faeac92e89fb6d9edcc0

diff --git a/vendor/drush/drush/src/Cache/CommandCache.php b/vendor/drush/drush/src/Cache/CommandCache.php
new file mode 100644
index 000000000..39661d526
--- /dev/null
+++ b/vendor/drush/drush/src/Cache/CommandCache.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace Drush\Cache;
+
+use Consolidation\AnnotatedCommand\Cache\SimpleCacheInterface;
+
+/**
+ * Command cache implementation.
+ *
+ * This wrapper implements a cache usable with the annotated-command
+ * library's command cache. It uses a Drush JSONCache for its back-end.
+ */
+class CommandCache implements SimpleCacheInterface
+{
+
+    protected $cacheBackend;
+
+    public function __construct(CacheInterface $cacheBackend)
+    {
+        $this->cacheBackend = $cacheBackend;
+    }
+
+    /**
+     * Test for an entry from the cache
+     * @param string $key
+     * @return boolean
+     */
+    public function has($key)
+    {
+        $cacheItem = $this->cacheBackend->get($key);
+        return $this->valid($cacheItem);
+    }
+    /**
+     * Get an entry from the cache
+     * @param string $key
+     * @return array
+     */
+    public function get($key)
+    {
+        $cacheItem = $this->cacheBackend->get($key);
+        if (!$this->valid($cacheItem)) {
+            return [];
+        }
+        // TODO: FileCache::get() should just return the
+        // data element, not the entire cacheItem. Then we
+        // could make it implement SimpleCacheInterface & do
+        // away with this adapter class.
+        return $cacheItem->data;
+    }
+    /**
+     * Store an entry in the cache
+     * @param string $key
+     * @param array $data
+     */
+    public function set($key, $data)
+    {
+        $this->cacheBackend->set($key, $data);
+    }
+
+    protected function valid($cacheItem)
+    {
+        return is_object($cacheItem) && isset($cacheItem->data);
+    }
+}