Inclustion of example EA

MyLibs/Utils/ResourceManager.mqh

@@ -0,0 +1,74 @@
+#include <MyLibs/Utils/AtrHandleManager.mqh>
+
+// ---------------------------------------------------------------------
+// ResourceManager
+//
+// Tracks and releases indicator handles (e.g., iMA, iRSI, iCCI).
+// Delegates ATR handle management to an external AtrHandleManager instance.
+//
+// Usage:
+// - Register indicator handles via `register_handle()`.
+// - Call `release_all_handles()` to release all cached handles.
+// ---------------------------------------------------------------------
+class ResourceManager {
+public:
+
+    AtrHandleManager* atr_manager;
+
+    // ---------------------------------------------------------------------
+    // Registers a generic indicator handle to be released later.
+    //
+    // Parameters:
+    // - handle : A valid (non-INVALID_HANDLE) indicator handle.
+    //
+    // Logic:
+    // - If the handle is valid, it is added to an internal list.
+    // ---------------------------------------------------------------------
+    void register_handle(int handle) {
+        if (handle != INVALID_HANDLE)
+            add_handle(handle);
+    }
+
+    // ---------------------------------------------------------------------
+    // Releases all tracked indicator resources.
+    //
+    // Logic:
+    // - Releases generic handles tracked via `register_handle()`.
+    // - Also invokes `atr_manager.release_handles()` if assigned.
+    // ---------------------------------------------------------------------
+    void release_all_handles() {
+        release_internal_handles();   // ATR manager
+        release_tracked_handles();    // Generic indicator handles
+    }
+
+private:
+    int handles[];
+
+    // ---------------------------------------------------------------------
+    // Adds a handle to the internal tracking list.
+    // ---------------------------------------------------------------------
+    void add_handle(int handle) {
+        int size = ArraySize(handles);
+        ArrayResize(handles, size + 1);
+        handles[size] = handle;
+    }
+
+    // ---------------------------------------------------------------------
+    // Releases all tracked indicator handles (iMA, iRSI, etc.).
+    // ---------------------------------------------------------------------
+    void release_tracked_handles() {
+        for (int i = 0; i < ArraySize(handles); i++) {
+            if (handles[i] != INVALID_HANDLE)
+                IndicatorRelease(handles[i]);
+        }
+        ArrayFree(handles);
+    }
+
+    // ---------------------------------------------------------------------
+    // Releases any cached ATR handles using the external AtrHandleManager.
+    // ---------------------------------------------------------------------
+    void release_internal_handles() {
+        if (atr_manager != NULL)
+            atr_manager.release_handles();
+    }
+};