GPipelinePtr pipeline = GPipelineFactory::create();

GElementPtr a, b, c, d = nullptr;

/**

pipeline->registerGElement<MyTemplateNode<int>>(&a);

pipeline->registerGElement<MyTemplateNode<char>>(&b, {a});

pipeline->registerGElement<MyTemplateNode<float>>(&c, {b});

pipeline->registerGElement<MyTemplateNode<std::string>>(&d, {c});

pipeline->process(); // 运行pipeline

GPipelineFactory::remove(pipeline);