From a2a6448e03842ac9d4c4c982c09ff2402d0bd203 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sascha=20K=C3=BChl?= <skuehl1972@gmail.com>
Date: Mon, 16 Feb 2026 11:28:49 +0100
Subject: [PATCH] introduced object_state enum in object_proxy

---
 include/matador/object/object_proxy.hpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/include/matador/object/object_proxy.hpp b/include/matador/object/object_proxy.hpp
index 4934604..c317fe4 100644
--- a/include/matador/object/object_proxy.hpp
+++ b/include/matador/object/object_proxy.hpp
@@ -11,6 +11,13 @@
 #include <mutex>
 
 namespace matador::object {
+enum class object_state : uint8_t {
+  Transient,
+  Persistent,
+  Detached,
+  Removed
+};
+
 template<class Type>
 class object_proxy final {
 public:
@@ -49,6 +56,13 @@ public:
   [[nodiscard]] const utils::identifier &primary_key() const { return pk_; }
   void primary_key(const utils::identifier &pk) { pk_ = pk; }
 
+  bool is_persistent() const { return state_ == object_state::Persistent; }
+  bool is_transient() const { return state_ == object_state::Transient; }
+  bool is_detached() const { return state_ == object_state::Detached; }
+  bool is_removed() const { return state_ == object_state::Removed; }
+  void change_state(const object_state state) {
+    state_ = state;
+  }
 private:
   Type* resolve() const {
     if (obj_) {
@@ -72,6 +86,7 @@ private:
   std::shared_ptr<Type> obj_{};
   std::weak_ptr<object_resolver<Type>> resolver_{};
   utils::identifier pk_{};
+  object_state state_{object_state::Transient};
   mutable std::mutex mutex_{};
 };
 }