net.dreamlu.mica.redis.config.RateLimiterAutoConfiguration Maven / Gradle / Ivy
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/*
* Copyright (c) 2019-2029, Dreamlu 卢春梦 ([email protected] & www.dreamlu.net).
*
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/lgpl.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.dreamlu.mica.redis.config;
import net.dreamlu.mica.redis.ratelimiter.RedisRateLimiterAspect;
import net.dreamlu.mica.redis.ratelimiter.RedisRateLimiterClient;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.core.env.Environment;
import org.springframework.core.io.ClassPathResource;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.core.script.DefaultRedisScript;
import org.springframework.data.redis.core.script.RedisScript;
import org.springframework.scripting.support.ResourceScriptSource;
/**
* 基于 redis 的分布式限流自动配置
*
* @author L.cm
*/
@AutoConfiguration
@ConditionalOnProperty(value = "mica.redis.rate-limiter.enable")
public class RateLimiterAutoConfiguration {
private RedisScript redisRateLimiterScript() {
DefaultRedisScript redisScript = new DefaultRedisScript<>();
redisScript.setScriptSource(new ResourceScriptSource(new ClassPathResource("META-INF/scripts/mica_rate_limiter.lua")));
redisScript.setResultType(Long.class);
return redisScript;
}
@Bean
@ConditionalOnMissingBean
public RedisRateLimiterClient redisRateLimiter(StringRedisTemplate redisTemplate,
Environment environment) {
RedisScript redisRateLimiterScript = redisRateLimiterScript();
return new RedisRateLimiterClient(redisTemplate, redisRateLimiterScript, environment);
}
@Bean
@ConditionalOnMissingBean
public RedisRateLimiterAspect redisRateLimiterAspect(RedisRateLimiterClient rateLimiterClient) {
return new RedisRateLimiterAspect(rateLimiterClient);
}
}