added object_cache and test

2026-02-22 22:36:42 +01:00
parent a2c5bca709
commit e45c38b229
9 changed files with 668 additions and 9 deletions
@@ -44,6 +44,22 @@ public:
  , pk_(primary_key_resolver::resolve_object(*obj).pk) {
  }

+  void attach(std::shared_ptr<Type> obj) {
+    std::lock_guard lock(mutex_);
+    obj_ = std::move(obj);
+    if (obj_) {
+      pk_ = primary_key_resolver::resolve_object(*obj_).pk;
+      state_.store(object_state::Persistent, std::memory_order_release);
+    }
+  }
+
+  void invalidate() {
+    std::lock_guard lock(mutex_);
+    obj_.reset();
+    resolver_.reset();
+    state_.store(object_state::Detached, std::memory_order_release);
+  }
+
  [[nodiscard]] void *raw_pointer() const { return static_cast<void *>(pointer()); }

  Type *operator->() { return pointer(); }
@@ -52,7 +68,7 @@ public:

  Type *pointer() const { return resolve(); }

-  [[nodiscard]] bool empty() const { return resolver_ == nullptr; }
+  [[nodiscard]] bool empty() const { return !obj_ && resolver_.expired(); }
  [[nodiscard]] bool valid() const { return !empty(); }
  [[nodiscard]] bool has_primary_key() const { return !pk_.is_null(); }
  [[nodiscard]] const utils::identifier &primary_key() const { return pk_; }