Add quick function for getting and setting objects on item

src/Pipeline/OptionsProcessor/Item.php

@@ -14,7 +14,7 @@ class Item
     private array $data = [];
 
     public function __construct(
-        string|int|null        $id = null
+        string|int|null $id = null
     )
     {
         $id ??= sha1(microtime());
@@ -39,7 +39,34 @@ class Item
     // Data manipulation
     public function get(string $key, mixed $default = null): mixed
     {
-        return $this->has($key) ? $this->data[$key] : $default;
+        if (!$this->has($key)) {
+            return $default;
+        }
+
+        return $this->data[$key];
+    }
+
+    /**
+     * @template T
+     * @param class-string<T> $class
+     * @return T
+     */
+    public function getObject(string $class, mixed $default = null): mixed
+    {
+        $key = $this->getObjectKey($class);
+        if (!$this->has($key)) {
+            return $default;
+        }
+
+        if (!($this->data[$key] instanceof $class)) {
+            throw new \RuntimeException(sprintf(
+                "Item object '%s' is not an instance of '%s'",
+                $this->data[$key]::class,
+                $class
+            ));
+        }
+
+        return $this->data[$key];
     }
 
     public function set(string $key, mixed $value): self
@@ -49,6 +76,19 @@ class Item
         return $this;
     }
 
+    public function setObject(object $object): self
+    {
+        $this->data[$this->getObjectKey($object)] = $object;
+
+        return $this;
+    }
+
+    private function getObjectKey(object|string $object): string
+    {
+        $class = is_object($object) ? get_class($object) : $object;
+        return 'obj_' . basename(str_replace('\\', '/', $class));
+    }
+
     public function has(string $key): bool
     {
         return array_key_exists($key, $this->data);