GPipelinePtr pipeline = GPipelineFactory::create(); // 创建一个pipeline，用于执行图框架信息

GElementPtr a, b_multi_condition, c, d_multi_condition = nullptr;

b_multi_condition = pipeline->createGGroup<GMultiCondition<GMultiConditionType::SERIAL>>({

pipeline->createGNode<MyNode1>(GNodeInfo("nodeB1")), // 本节点【不会】执行，因为默认不执行

pipeline->createGNode<MyMatchNode>(GNodeInfo("nodeB2")) // 本节点【会】执行，因为 isMatch() 返回为 true

});

d_multi_condition = pipeline->createGGroup<GMultiCondition<GMultiConditionType::PARALLEL>>({

// 这里的两个节点，均不会被执行，以为 isMatch 的条件不满足

pipeline->createGNode<MyMatchNode>(GNodeInfo("nodeD1")),

pipeline->createGNode<MyMatchNode>(GNodeInfo("nodeD2"))

});

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

// 新版本中，推荐使用 registerGGroup 来注册group信息，简化流程

status += pipeline->registerGGroup(&b_multi_condition, {a}, "multiConditionB");

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

status += pipeline->registerGGroup(&d_multi_condition, {c}, "multiConditionD");

pipeline->process(); // 运行pipeline

GPipelineFactory::remove(pipeline);