Initial commit

engine/app/src/DataModel/CollectionService.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include "Tree/Service.hpp"
+#include <queue>
+
+namespace Aya
+{
+
+extern const char* const sCollectionService;
+class CollectionService
+    : public DescribedNonCreatable<CollectionService, Instance, sCollectionService>
+    , public Service
+{
+public:
+    CollectionService();
+
+    Aya::signal<void(shared_ptr<Instance>)> itemAddedSignal;
+    Aya::signal<void(shared_ptr<Instance>)> itemRemovedSignal;
+
+    shared_ptr<const Instances> getCollection(std::string type);
+    shared_ptr<const Instances> getCollection(const Name& className);
+    template<class T>
+    shared_ptr<const Instances> getCollection()
+    {
+        return getCollection(T::classDescriptor());
+    }
+
+    void removeInstance(shared_ptr<Instance> instance);
+    void addInstance(shared_ptr<Instance> instance);
+
+private:
+    // TODO: Lookup by const Aya::Name*
+    typedef std::map<std::string, shared_ptr<copy_on_write_ptr<Instances>>> CollectionMap;
+    CollectionMap collections;
+};
+
+} // namespace Aya