WebJun 16, 2024 · csdn已为您找到关于determineCurrentLookupKey不执行相关内容,包含determineCurrentLookupKey不执行相关文档代码介绍、相关教程视频课程,以及相 … WebMay 30, 2024 · 之前在项目中由于数据源比较多,为了方便切换数据源使用了AbstractRoutingDataSource+JdbcTemplate。刚开始都是查询操作,没有事物操作,但后来出现了一个事物操作,在一个service方法里面总是无法成功切换数据源。从网上搜了下也没有搜到解决方案,最后没办法只能阅读源码自己解决,最终定位到了问题 ...
Spring不能动态切数据源, 因为determineCurrentLookupKey () …
WebJun 17, 2024 · Conclusion. The AbstractRoutingDataSource Spring utility is very useful when implementing a read-write and read-only transaction routing mechanism. By using this routing pattern, you can redirect the read-only traffic to Replica nodes, so that the Primary node can better handle the read-write transactions. Follow @vlad_mihalcea. WebOct 1, 2024 · Here we will actually define key-value pairs [“targetDataSources”] for all configured data sources in above step. The value will be data source bean name, and key will be result came from determineCurrentLookupKey() method in MyRoutingDataSource. We can also mention a default data source if nothing can be found for any user request. caja zf amarok
A Guide to Spring AbstractRoutingDatasource Baeldung
WebJan 2, 2024 · 2. Maven Dependencies. Let's start by declaring spring-context, spring-jdbc, spring-test, and h2 as dependencies in the pom.xml: The latest version of the dependencies can be found here. If you are using Spring Boot, we can use the starters for Spring Data and Test: 3. Datasource Context. AbstractRoutingDatasource requires information to know ... WebOct 14, 2015 · All you need to do is to extend it and to provide an implementation of an abstract determineCurrentLookupKey method. This is the place to implement your custom logic to determine the concrete DataSource. Returned Object serves as a lookup key. It is typically a String or en Enum, used as a qualifier in Spring configuration (details will follow http://fedulov.website/2015/10/14/dynamic-datasource-routing-with-spring/ caja zeus