整理代码

util/BuilderSet.h

@@ -0,0 +1,63 @@
+#ifndef BE7ED734_3D5C_4600_89C3_4082EB263BE0
+#define BE7ED734_3D5C_4600_89C3_4082EB263BE0
+/*
+ *******************************************************************************
+ *                                   INCLUDE
+ *******************************************************************************
+ */
+#include <Poco/SharedPtr.h>
+#include <map>
+
+namespace Util
+{
+/*
+ *******************************************************************************
+ *                                CLASS DECLARE
+ *******************************************************************************
+ */
+template <class T, class TKey, class TSelector, class... TArgs> class BuilderSet
+{
+private:
+    class IBuilder
+    {
+    public:
+        using Ptr = Poco::SharedPtr<IBuilder>;
+        virtual ~IBuilder()
+        {
+        }
+
+        virtual T* build(TArgs... args) = 0;
+    };
+
+    template <class C> class Builder: public IBuilder
+    {
+    public:
+        C* build(TArgs... args) override
+        {
+            C* p = new C(args...);
+            return p;
+        }
+    };
+
+    using Builders = std::map<TKey, typename IBuilder::Ptr>;
+
+public:
+    static T* build(TArgs... args)
+    {
+        TKey key = TSelector::select(args...);
+        return _builders[key]->build(args...);
+    }
+
+    template <class C> static void registerClass(TKey key)
+    {
+        _builders[key] = new Builder<C>();
+    }
+
+private:
+    static Builders _builders;
+};
+
+template <class T, class TKey, class TSelect, class... TArgs>
+typename BuilderSet<T, TKey, TSelect, TArgs...>::Builders BuilderSet<T, TKey, TSelect, TArgs...>::_builders;
+}
+#endif