Koala Business Log System Design

Source code: http://git.oschina.net/openkoala/koala

Koala-Business submodule

Module division

Module name	Function
Koala-businesslog-API	Core APIs of the Business Log System
Koala-businesslog-impl	Default Implementation of koala in the Business Log System
Koala-businesslog-Web	Business Log System Web module
Koala-businesslog-acceptance-test	The integration test of the Business Log system is also a ** example ** of the Business Log system. You can refer to this module for actual use.

Sequence Chart

Class Diagram

Koala-businesslog-API module

Koala-business-impl Module

Vocabulary

Class Name	Description
Businesslogservletfilter	Implement the filter interface, abstract the parent class, and define the abstract method beforefilter.
Logfilter	Inherit beforefilter and implement the beforefilter method. Set the user name and IP address
Abstractbusinesslog	Custom Business Log abstract parent class, including log and category Fields
Defaultbusinesslog	System Default Business Log entity class, including user name, IP address, and time
Businesslogexporter	Service Log export interface
Businesslogexporterimpl	The default business log export implementation class is saved to the database.
Threadlocalbusinesslogcontext	Local variable context of the thread to share data within the thread
Businessloginterceptor	AOP interceptor
Businesslogthread	Business Log thread execution class
Groovyobjectclasscache	Groovy object cache class
Configconstant	Constant type of system configuration

Groovy considerations

Use groovy to implement logging of log templates instead of XML. The considerations are as follows:

1. It supports dynamic modification without restarting the service.

2. Using groovy does not bring much learning cost. You can simply write Java code.

3. in this way, you can obtain the associated query, for example, deptid In the method, but what I want in the log is deptname (for example, Architecture), then use groovy, you can easily use Java code to implement

4. It has syntax check. It is difficult to use xml configuration.

Koala Business Log System Design