Determinecurrentlookupkey只执行一次
Weborg.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource. Best Java code snippets using org.springframework.jdbc.datasource.lookup. … 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.
Determinecurrentlookupkey只执行一次
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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,以及相关determineCurrentLookupKey不执行问答内容。为您解决当下相关问题,如果想了解更详细determineCurrentLookupKey不执行内容,请点击详情链接进行了解,或者注册账号 … WebdetermineCurrentLookupKey()这个方法的返回值决定了需要切换的数据源的KEY,就是根据这个KEY从targetDataSources取值(数据源)。 数据源切换如何保证线程隔离? 数据源属于一个公共的资源,在多线程的情况下如何保证线程隔离呢?不能我这边切换了影响其他线程 …
WebFeb 27, 2024 · SpringBoot多数据源切换无效(不切换)解决方法. SpringBoot的多数据源实现以实现AbstractRoutingDataSource#determineCurrentLookupKey ()来达到多个数据 … WebNov 18, 2024 · 问题:AbstractRoutingDataSource的determineCurrentLookupKey方法没有被调用,理论上来说每执行一次sql都会执行determineCurrentLookupKey方法,但 …
WebThe concrete key representation will be handled by resolveSpecifiedLookupKey(Object) and determineCurrentLookupKey(). setDefaultTargetDataSource. public void setDefaultTargetDataSource (Object defaultTargetDataSource) Specify the default target DataSource, if any. WebMar 6, 2015 · 上面这段源码的重点在于determineCurrentLookupKey()方法,这是AbstractRoutingDataSource类中的一个抽象方法,而它的返回值是你所要用的数据 …
Web/**Retrieve the current target DataSource. Determines the * {@link #determineCurrentLookupKey() current lookup key}, performs * a lookup in the {@link #setTargetDataSources targetDataSources} map, * falls back to the specified * {@link #setDefaultTargetDataSource default target DataSource} if necessary. * @see …
WebdetermineCurrentLookupKey()这个方法的返回值决定了需要切换的数据源的KEY,就是根据这个KEY从targetDataSources取值(数据源)。 数据源切换如何保证线程隔离? 数据源 … how far is new zealand from oregonWebDec 20, 2024 · determineCurrentLookupKey() 是 AbstractRoutingDataSource 类中的一个抽象方法,而它的返回值是当前线程要用的数据源 dataSource 的 key 值,有了这个 key … how far is new york to ohioWebJan 6, 2024 · 对应的业务代码如下,数据源切换在其他项目使用正常,代码迁移过来之后偶发报出read-only异常,数据库处于只读模式。. 写方法需要事物默认走主库,在该方法前也没有数据源的切换。. @Transactional (rollbackFor = Exception. class) public DataResult settingMarketMsg ... high brass gun dogsWebDec 17, 2024 · 本文章向大家介绍springboot2.0下多数据源无法生效的问题,或者说determinecurrentlookupkey未调用,主要包括springboot2.0下多数据源无法生效的问题,或者说determinecurrentlookupkey未调用使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。 how far is new zealand from wisconsinWebOct 14, 2015 · As you say, @Transactional will execute choose datasource, so you need increase Aspect order.In actual use, If the outer method has @Transactional, Inner method cannot be switched directly, it will get wrong with outer dataSource.Maybe, you can add @Transactional (propagation = Propagation.REQUIRES_NEW) on inner method to force … how far is new zealand from franceWebJun 16, 2024 · 数据源真正切换的关键是 AbstractRoutingDataSource 的 determineCurrentLookupKey() **被调用,此方法是在open connection**时触发 3. 事务 … high brass 7.5 shotWebJan 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 ... high brass dove load