GPipelinePtr pipeline = GPipelineFactory::create();

CStatus status;

GElementPtr a, b, c, d, e, f = nullptr;

status += pipeline->registerGElement<MyReadParamNode>(&a, {}, "readNodeA"); // 读取param中的信息，不做修改

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

status += pipeline->registerGElement<MyWriteParamNode>(&c, {a}, "writeNodeC");

status += pipeline->registerGElement<MyWriteParamNode>(&d, {a}, "writeNodeD", 2); // 对param中的iValue值+1，循环执行2次

status += pipeline->registerGElement<MyReadParamNode>(&e, {a}, "readNodeE");

status += pipeline->registerGElement<MyWriteParamNode>(&f, {b, c, d, e}, "writeNodeF");

if (!status.isOK()) {

return; // 使用时，请对所有CGraph接口的返回值做判定。本例子中省略

}

status += pipeline->init();

for (int i = 0; i < 3; i++) {

status += pipeline->run();

std::cout << "[CGraph] tutorial_param, loop : " << i + 1 << ", and run status = " << status.getCode() << std::endl;

}

/**

status += pipeline->destroy();

GPipelineFactory::remove(pipeline);