While the thought which considered the system as the aggregate of cooperators in course of log file system devised in text, Aspect-Oriented Programming was adopted and system concerns was realized by means of relaxed coupling.

• 本文在日志系统的实现过程中突破现有的“把系统看作是一些合作对象的集合”的思维，应用了面向方面编程的方法，以一种松散耦合的方式来实现系统关注点。