test.web.WebCache.kt Maven / Gradle / Ivy

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package test.web

import jchanghong.kotlin.log
import org.springframework.boot.autoconfigure.cache.CacheManagerCustomizer
import org.springframework.cache.annotation.Cacheable
import org.springframework.cache.interceptor.KeyGenerator
import org.springframework.cache.jcache.config.JCacheConfigurerSupport
import org.springframework.data.redis.cache.RedisCacheManager
import org.springframework.stereotype.Component
import org.springframework.web.bind.annotation.GetMapping
import org.springframework.web.bind.annotation.RequestParam
import org.springframework.web.bind.annotation.RestController
import java.lang.reflect.Method

@Component
class ConfigKey:JCacheConfigurerSupport(){
    override fun keyGenerator(): KeyGenerator? {

        return KeyGenerator { target, method, params ->
            /**
             * Generate a key for the given method and its parameters.
             * @param target the target instance
             * @param method the method being called
             * @param params the method parameters (with any var-args expanded)
             * @return a generated key
             */
            /**
             * Generate a key for the given method and its parameters.
             * @param target the target instance
             * @param method the method being called
             * @param params the method parameters (with any var-args expanded)
             * @return a generated key
             */
            return@KeyGenerator "${target.javaClass.name}_${method.name}_${params.joinToString{it.toString()}}"
        }
    }
}
//@RestController
class WebCache {

    @Cacheable("test")
    @GetMapping("/testcache")
    fun testcache():String{
        log.info("in testcache()")
        return "hello"
    }
    @Cacheable("test")
    @GetMapping("/testcache1")
    fun testcache1():String{
        log.info("in testcache(1)")
        return "hello"
    }
    @Cacheable("test")
    @GetMapping("/testcache2")
    fun testcache2(@RequestParam("a")a: String):String{
        log.info("in testcache(2)")
        return "hello"+a
    }

}