Subclass of LocalDataSourceConnectionProvider that returns a
transaction-aware proxy for the exposed DataSource. Used if
LocalSessionFactoryBean's "useTransactionAwareDataSource" flag is on.
author: Juergen Hoeller since: 1.1.4 See Also:LocalSessionFactoryBean.setUseTransactionAwareDataSource
getDataSourceToUse(DataSource originalDataSource) Return a TransactionAwareDataSourceProxy for the given DataSource,
provided that it isn't a TransactionAwareDataSourceProxy already.