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更新所有文章的图床,旧图床由于一些原因可能会逐渐失效
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@@ -97,7 +97,7 @@ Dubbo网关参考:[https://github.com/apache/dubbo-proxy](https://github.com/a
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### 基本原理
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<img src="https://unpkg.zhimg.com/youthlql@1.0.1/rpc/dubbo/v1/01_di_yi_jie/0001.png"/>
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<img src="https://img.imlql.cn/youthlql@1.0.1/rpc/dubbo/v1/01_di_yi_jie/0001.png"/>
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@@ -914,11 +914,11 @@ dubbo.config-center.address=
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2. 管理台的**配置管理**作用就是可以实时更改dubbo相关的配置,在这里面写了和在appliaction.properties里面写是一样的效果,这个还不用重启服务。如果appliaction.properties里和管理台写了相同的配置,以管理台的为主。
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<img src="https://unpkg.zhimg.com/youthlql@1.0.1/rpc/dubbo/v1/01_di_er_jie/0001.png"/>
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<img src="https://img.imlql.cn/youthlql@1.0.1/rpc/dubbo/v1/01_di_er_jie/0001.png"/>
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3. **动态配置**这里,也可以很方便的替代服务提供者@service注解上标注的那些配置。管理台是实时生效的,如果改代码里的@service还需要重启服务。
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<img src="https://unpkg.zhimg.com/youthlql@1.0.1/rpc/dubbo/v1/01_di_er_jie/0002.png"/>
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<img src="https://img.imlql.cn/youthlql@1.0.1/rpc/dubbo/v1/01_di_er_jie/0002.png"/>
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很多配置都可以在管理台上配。管理台上写的配置会持久化在**你配置的配置中心**里。只有注册中心里的服务提供者信息不持久化,如果注册中心是zookeeper,那么服务提供者在zk上就是临时节点。
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@@ -243,7 +243,7 @@ public class Application {
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<img src="https://unpkg.zhimg.com/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/Dubbo监听架构图.png"/>
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<img src="https://img.imlql.cn/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/Dubbo监听架构图.png"/>
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### 源码分析-解析@Reference注解上的配置
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@@ -438,19 +438,19 @@ public class Application {
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```
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<img src="https://unpkg.zhimg.com/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210915224055718.png"/>
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<img src="https://img.imlql.cn/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210915224055718.png"/>
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Dubbo官方给的Demo没有配置URL,所以这里就是NULL
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<img src="https://unpkg.zhimg.com/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920151657492.png"/>
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<img src="https://img.imlql.cn/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920151657492.png"/>
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<img src="https://unpkg.zhimg.com/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920151857950.png" />
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<img src="https://img.imlql.cn/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920151857950.png" />
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<img src="https://unpkg.zhimg.com/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920152003415.png"/>
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<img src="https://img.imlql.cn/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920152003415.png"/>
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@@ -622,7 +622,7 @@ Dubbo官方给的Demo没有配置URL,所以这里就是NULL
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}
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```
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<img src="https://unpkg.zhimg.com/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920152813300.png"/>
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<img src="https://img.imlql.cn/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920152813300.png"/>
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#### RegistryDirectory
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@@ -641,7 +641,7 @@ Dubbo官方给的Demo没有配置URL,所以这里就是NULL
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3. 看下面的截图,registry属性是zookeeper的URL,所以应该是要调用ZookeeperRegistry的subscribe()方法,但是ZookeeperRegistry没有这个方法,所以我们就要找它的父类了,也就是FailbackRegistry,
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4. 然后再调用doSubscribe(),ZookeeperRegistry重写了此方法,很明显这是个模板模式。
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<img src="https://unpkg.zhimg.com/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920154023711.png" />
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<img src="https://img.imlql.cn/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920154023711.png" />
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#### FailbackRegistry
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@@ -843,7 +843,7 @@ Dubbo官方给的Demo没有配置URL,所以这里就是NULL
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最终走到了这一步
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<img src="https://unpkg.zhimg.com/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920154648609.png" />
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<img src="https://img.imlql.cn/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210920154648609.png" />
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#### RegistryDirectory
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@@ -1097,7 +1097,7 @@ consumer://192.168.0.100/org.apache.dubbo.demo.DemoService?application=dubbo-dem
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到此,路由链构造完毕。
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<img src="https://unpkg.zhimg.com/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210919190129223.png"/>
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<img src="https://img.imlql.cn/youthlql@1.0.4/rpc/dubbo/v1/06_di_liu_jie/image-20210919190129223.png"/>
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