Determinecurrentlookupkey 不执行
WebDec 2, 2024 · 抽象方法 determineCurrentLookupKey() 是暴露给开发者的，我们可以通过实现该方法在不同数据源之间切换。 SpringBoot实践 1. 配置多数据源. 在 application.yml 如下配置 WebDec 17, 2024 · SpringBoot的多数据源实现以实现AbstractRoutingDataSource#determineCurrentLookupKey()来达到多个数据源动态切 …
Determinecurrentlookupkey 不执行
Did you know?
http://fedulov.website/2015/10/14/dynamic-datasource-routing-with-spring/ Web其中determineTargetDataSource()调用determineCurrentLookupKey()方法，取到当前设定的查找键，通过查找键在上下文this.resolvedDataSources属性中尝试获取DataSource对象，这个对象即当前连接的数据源. 3.那么this.resolvedDataSources在哪里维护？
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 … WebDec 18, 2024 · public class ClientDataSourceRouter extends AbstractRoutingDataSource { @Override protected Object determineCurrentLookupKey() { return …
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 … 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.
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 …
WebNov 12, 2024 · 用户数据源的切换逻辑可以通过实现determineCurrentLookupKey()方法进行满足，一般情况就是获取当前线程上下文中的schema名称，具体实现思路：用户可以通过ThreadLocal设置当前线程的schema名称来决定使用哪个数据源，然后在具体实现的determineCurrentLookupKey()方法中通过 ... chipotle middletownhttp://fedulov.website/2015/10/14/dynamic-datasource-routing-with-spring/ gran turismo clint eastwoodWebJan 6, 2024 · public class RoutingDataSource extends AbstractRoutingDataSource { @Override protected Object determineCurrentLookupKey() { return DBContext.getDBKey(); }} 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。 gran turismo chair and steering wheelWebApr 26, 2012 · AbstractRoutingDataSource executes determineCurrentLookupKey() in order to find suitable DataSource from a set of available ones. Lookup key is used to obtain current DataSource. AbstractRoutingDataSource returns JDBC connections from that data source. Connection is returned from AbstractRoutingDataSource as if it was a normal … gran turismo coffee breakWebOct 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. chipotle middleton wiWebJun 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. gran turismo collection ownerWebOct 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 chipotle middletown ny