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38 lines
761 B
38 lines
761 B
package com.soa.microservice.core;
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/**
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* 断路器接口
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* 实现熔断器模式，防止故障级联传播
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*/
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public interface CircuitBreaker {
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/**
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* 尝试执行操作
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* @return 是否允许执行
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*/
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boolean allowRequest();
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/**
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* 记录成功请求
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*/
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void recordSuccess();
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/**
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* 记录失败请求
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*/
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void recordFailure();
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/**
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* 获取当前断路器状态
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* @return 断路器状态
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*/
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State getState();
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/**
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* 断路器状态枚举
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*/
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enum State {
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CLOSED, // 关闭状态，允许请求通过
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OPEN, // 打开状态，拒绝请求
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HALF_OPEN // 半开状态，允许有限请求通过以探测服务是否恢复
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}
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} |