com.yishuifengxiao.common.cache

Class SimpleKeyGenerator

java.lang.Object

com.yishuifengxiao.common.cache.SimpleKeyGenerator

All Implemented Interfaces:

org.springframework.cache.interceptor.KeyGenerator

public class SimpleKeyGenerator
extends Object
implements org.springframework.cache.interceptor.KeyGenerator

缓存key生成器

key的生成策略如下: 先依次获取下列信息

• 当前请求的实例的类的简称
• 当前请求的方法的名字
• 当前请求的所有的请求参数

然后得到一个 按照 当前请求的实例的类的简称:当前请求的方法的名字:非空参数的toString()拼接的字符串,最后获取该字符串的16位的MD5的值

Since:

1.0.0

Version:

1.0.0

Author:

yishui

Constructor Summary

Constructors

Constructor and Description
SimpleKeyGenerator()

Method Summary

Modifier and Type	Method and Description
Object	generate(Object target, Method method, Object... params) Generate a key for the given method and its parameters.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SimpleKeyGenerator

public SimpleKeyGenerator()

Method Detail

generate

public Object generate(Object target,
                       Method method,
                       Object... params)

Generate a key for the given method and its parameters.

Specified by:

generate in interface org.springframework.cache.interceptor.KeyGenerator

Parameters:

target - the target instance

method - the method being called

params - the method parameters (with any var-args expanded)

Returns:

a generated key