Draft: Make RobotStateMemory ready

Goal:

• Make stable (especially race conditions)
• Improve runtime
• Add profiling/monitoring
• Refactor code
• Add missing interfaces

source/RobotAPI/libraries/armem/server/query_proc/diskmemory/EntityQueryProcessor.h

+#pragma once
+
+#include "BaseQueryProcessor.h"
+#include "../base/EntityQueryProcessorBase.h"
+
+#include "../../../core/diskmemory/Entity.h"
+
+#include "EntityQueryProcessor.h"
+
+namespace armarx::armem::d_ltm::query_proc
+{
+    /**
+     * @brief Handles memory queries.
+     */
+    class EntityQueryProcessor :
+        virtual public BaseQueryProcessor<d_ltm::Entity, armem::query::data::EntityQuery>,
+        virtual public base::query_proc::EntityQueryProcessorBase<d_ltm::Entity>
+    {
+        using Base = BaseQueryProcessor<d_ltm::Entity, armem::query::data::EntityQuery>;
+
+    public:
+
+        EntityQueryProcessor() :
+            Base()
+        {}
+
+
+    private:
+
+        void addResultSnapshot(d_ltm::Entity& result, d_ltm::Entity::ContainerT::const_iterator it) const override
+        {
+            addResultSnapshot(result, it->second);
+        }
+
+        void addResultSnapshot(d_ltm::Entity& result, const d_ltm::EntitySnapshot& snapshot) const override
+        {
+            result.addSnapshot(snapshot.copy());
+        }
+
+    };
+
+}