GPipelinePtr pipeline = GPipelineFactory::create();

GElementPtr a, b, c, d = nullptr;

CStatus status = pipeline->registerGElement<MyWriteParamNode>(&a, {}, "nodeA");

status += pipeline->registerGElement<MyEventNode>(&b, {a}, "nodeB");

status += pipeline->registerGElement<MyNode1>(&c, {b}, "nodeC");

status += pipeline->registerGElement<MyEventNode>(&d, {b}, "nodeD");

// 在pipeline中添加一个事件信息，通过 notify("my-print-event")触发

pipeline->addGEvent<MyPrintEvent>("my-print-event");

pipeline->process();

GPipelineFactory::clear();