sharding-jdbc中ShardingTransactionManager有什么用

这篇文章将为大家详细讲解有关sharding-jdbc中ShardingTransactionManager有什么用，文章内容质量较高，因此小编分享给大家做个参考，希望大家阅读完这篇文章后对相关知识有一定的了解。incubator-shardingsphere-4.0.0-RC1/sharding-transaction/sharding-transaction-core/src/main/java/org/apache/shardingsphere/transaction/spi/ShardingTransactionManager.javaShardingTransactionManager继承了AutoCloseable接口，它定义了init、getTransactionType、isInTransaction、getConnection、begin、commit、rollback方法incubator-shardingsphere-4.0.0-RC1/sharding-transaction/sharding-transaction-2pc/sharding-transacti 香港云主机on-xa/sharding-transaction-xa-core/src/main/java/org/apache/shardingsphere/transaction/xa/XAShardingTransactionManager.javaXAShardingTransactionManager实现了ShardingTransactionManager接口，它拥有singleXADataSourceMap、xaTransactionManager、enlistedXAResource三个属性，其init方法对这三个属性进行了初始化getTransactionType方法返回的是TransactionType.XA；isInTransaction方法则依据xaTransactionManager.getTransactionManager().getStatus()来判断；getConnection方法从singleXADataSourceMap取出singleXAConnection，然后执行其getConnection方法begin方法执行的是xaTransactionManager.getTransactionManager().begin()；commit方法则调用了xaTransactionManager.getTransactionManager().commit()，其会在finally中执行enlistedXAResource.remove()；rollback方法调用了xaTransactionManager.getTransactionManager().rollback()，其也在finally中执行enlistedXAResource.remove()；close方法则执行xaTransactionManager.removeRecoveryResource、singleXADataSourceMap.clear()、xaTransactionManager.close()incubator-shardingsphere-4.0.0-RC1/sharding-transaction/sharding-transaction-2pc/sharding-transaction-xa/sharding-transaction-xa-core/src/test/java/org/apache/shardingsphere/transaction/xa/XAShardingTransactionManagerTest.java这里mock了xaTransactionManager、transactionManagerXAShardingTransactionManager实现了ShardingTransactionManager接口，它拥有singleXADataSourceMap、xaTransactionManager、enlistedXAResource三个属性，其init方法对这三个属性进行了初始化getTransactionType方法返回的是TransactionType.XA；isInTransaction方法则依据xaTransactionManager.getTransactionManager().getStatus()来判断；getConnection方法从singleXADataSourceMap取出singleXAConnection，然后执行其getConnection方法begin方法执行的是xaTransactionManager.getTransactionManager().begin()；commit方法则调用了xaTransactionManager.getTransactionManager().commit()，其会在finally中执行enlistedXAResource.remove()；rollback方法调用了xaTransactionManager.getTransactionManager().rollback()，其也在finally中执行enlistedXAResource.remove()；close方法则执行xaTransactionManager.removeRecoveryResource、singleXADataSourceMap.clear()、xaTransactionManager.close()关于sharding-jdbc中ShardingTransactionManager有什么用就分享到这里了，希望以上内容可以对大家有一定的帮助，可以学到更多知识。如果觉得文章不错，可以把它分享出去让更多的人看到。