CStatus status;

GPipelinePtr pipeline = GPipelineFactory::create();

GElementPtr a, b_region, c = nullptr;

GElementPtr b1, b2, b3, b4 = nullptr;

b1 = pipeline->createGNode<MyNode1>(GNodeInfo({}, "nodeB1", 1)); // 创建名为nodeB1的node信息

b2 = pipeline->createGNode<MyNode2>(GNodeInfo({b1}, "nodeB2", 2)); // 创建名为nodeB2且自循环2次的node信息

b3 = pipeline->createGNode<MyNode1>(GNodeInfo({b1}, "nodeB3", 1));

b4 = pipeline->createGNode<MyNode1>(GNodeInfo({b2, b3}, "nodeB4", 1));

b_region = pipeline->createGGroup<GRegion>({b1, b2, b3, b4}); // 将 b1、b2、b3、b4 注册入b_region中

if (nullptr == b_region) {

return;

}

status = pipeline->registerGElement<MyNode1>(&a, {}, "nodeA", 1);

if (!status.isOK()) {

return;

}

status = pipeline->registerGElement<GRegion>(&b_region, {a}, "regionB", 1); // 将名为regionB，依赖a执行且自循环2次的cluster信息，注册入pipeline中

status = pipeline->registerGElement<MyNode2>(&c, {b_region}, "nodeC", 1);

status = pipeline->process();

CGRAPH_ECHO("pipeline process status is : [%d]", status.getCode());

GPipelineFactory::destroy(pipeline);