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@@ -4,15 +4,6 @@ date: 2020-06-13
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tags: Java
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---
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-### 目录
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-
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-* [介绍](#-5)
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-* [Resilience4j配置](#resilience4j-8)
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-*
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- - [创建配置实例](#-12)
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- - [各个配置项含义](#-22)
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-* [配置如何用](#-58)
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-* [结语](#-75)
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# 介绍
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@@ -27,17 +18,19 @@ tags: Java
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```java
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-CircuitBreakerConfig.ofDefaults();
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+ CircuitBreakerConfig.ofDefaults();
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CircuitBreakerConfig circuitBreakerConfig = CircuitBreakerConfig.custom()
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.slidingWindowSize(10)
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.slidingWindowType(CircuitBreakerConfig.SlidingWindowType.COUNT_BASED)
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.build();
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+
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```
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## 各个配置项含义
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```java
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+
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CircuitBreakerConfig.custom()
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.slidingWindowType(CircuitBreakerConfig.SlidingWindowType.COUNT_BASED)
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.slidingWindowSize(10)
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@@ -55,6 +48,7 @@ CircuitBreakerConfig.ofDefaults();
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.slowCallDurationThreshold(Duration.ofSeconds(60))
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.slowCallRateThreshold(0.1f)
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.waitDurationInOpenState(Duration.ofMinutes(1)).build();
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+
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```
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* _**slidingWindowType:**_ 滑动窗口类型。还记得上一篇我们介绍过 **Resilience4J可以在基于计数的滑动窗口和基于时间的滑动窗口之间进行选择。**
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@@ -77,6 +71,7 @@ CircuitBreakerConfig.ofDefaults();
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上面说了那么多的配置 那么这些配置到底是怎么使用的。我们通过一个demo先展示一下。
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```java
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+
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given(helloWorldService.returnHelloWorld()).willReturn("hello word");
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CircuitBreakerConfig circuitBreakerConfig = CircuitBreakerConfig.custom()
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@@ -89,6 +84,7 @@ CircuitBreakerConfig.ofDefaults();
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CircuitBreaker circuitBreaker = CircuitBreaker.of("test", circuitBreakerConfig);
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Supplier<String> stringSupplier = circuitBreaker.decorateSupplier(helloWorldService::returnHelloWorld);
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assertThat(stringSupplier.get()).isEqualTo("hello word");
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+
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```
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# 结语
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