AbstractStatusChangeNotifier
https://www.cnblogs.com/bbling/p/9060308.html
Turbine
https://blog.csdn.net/dengqiang123456/article/details/76223521
AbstractStatusChangeNotifier
https://www.cnblogs.com/bbling/p/9060308.html
https://blog.csdn.net/dengqiang123456/article/details/76223521