package com.alibaba.csp.sentinel.dashboard.rule.nacos.degrade; import com.alibaba.csp.sentinel.dashboard.constants.SentinelConStants; import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.DegradeRuleEntity; import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider; import com.alibaba.csp.sentinel.dashboard.rule.nacos.SentinelConfig; import com.alibaba.csp.sentinel.datasource.Converter; import com.alibaba.csp.sentinel.util.StringUtil; import com.alibaba.nacos.api.config.ConfigService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import java.util.ArrayList; import java.util.List; /** * 降级规则拉取 * * @author zyf * @date 2022-04-13 */ @Component("degradeRuleNacosProvider") public class DegradeRuleNacosProvider implements DynamicRuleProvider> { @Autowired private ConfigService configService; @Autowired private Converter> converter; @Override public List getRules(String appName) throws Exception { String rules = configService.getConfig(appName + SentinelConStants.DEGRADE_DATA_ID_POSTFIX, SentinelConStants.GROUP_ID, 3000); if (StringUtil.isEmpty(rules)) { return new ArrayList<>(); } return converter.convert(rules); } }