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T11-Singleton.cpp
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35 lines (27 loc) · 1.16 KB
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/***************************
@Author: Chunel
@Contact: chunel@foxmail.com
@File: T11-Singleton.cpp
@Time: 2021/10/30 10:32 下午
@Desc: 本例主要展示，通过添加GSingleton添加的节点，均是同一个节点（指针地址相同）
***************************/
#include "MyGNode/MyShowAddressNode.h"
#include "MyGNode/MyNode1.h"
using namespace CGraph;
void tutorial_singleton() {
GPipelinePtr pipeline = GPipelineFactory::create();
GElementPtr a, b, c, d, e = nullptr;
/* 通过GSingleton方式注册的节点，地址相同 */
pipeline->registerGElement<GSingleton<MyShowAddressNode>>(&a, {}, "singleton", 2);
/* 通过普通方式注册的节点，地址不同 */
pipeline->registerGElement<MyShowAddressNode>(&b, {a}, "not singleton");
pipeline->registerGElement<GSingleton<MyShowAddressNode>>(&c, {a}); // c的地址和a是相同的
pipeline->registerGElement<GSingleton<MyNode1>>(&d, {c}, "nodeD");
pipeline->registerGElement<GSingleton<MyShowAddressNode>>(&e, {c}); // e的地址和a也是相同的
pipeline->process();
GPipelineFactory::remove(pipeline);
}
int main() {
tutorial_singleton();
return 0;
}