The Spring Framework

## org.springframework.orm.hibernate3
Class TransactionAwareDataSourceConnectionProvider

    java.lang.Object
      org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider
          org.springframework.orm.hibernate3.TransactionAwareDataSourceConnectionProvider

All Implemented Interfaces:
  ConnectionProvider

    public class TransactionAwareDataSourceConnectionProvider

extends LocalDataSourceConnectionProvider

Subclass of LocalDataSourceConnectionProvider that returns a transaction-aware proxy for the exposed DataSource. Used if LocalSessionFactoryBean's "useTransactionAwareDataSource" flag is on.

Since:
  1.2
Author:
  Juergen Hoeller
See Also:
  `AbstractSessionFactoryBean.setUseTransactionAwareDataSource(boolean)`

Constructor Summary
`TransactionAwareDataSourceConnectionProvider()`

Method Summary
`protected DataSource` `getDataSourceToUse(DataSource originalDataSource)` Return a TransactionAwareDataSourceProxy for the given DataSource, provided that it isn't a TransactionAwareDataSourceProxy already.
`boolean` `supportsAggressiveRelease()` This implementation returns `true`: We can guarantee to receive the same Connection within a transaction, as we are exposing a TransactionAwareDataSourceProxy.

Methods inherited from class org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider
`close, closeConnection, configure, getConnection, getDataSource`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### TransactionAwareDataSourceConnectionProvider

    public TransactionAwareDataSourceConnectionProvider()

Method Detail

### getDataSourceToUse

    protected DataSource getDataSourceToUse(DataSource originalDataSource)

  Return a TransactionAwareDataSourceProxy for the given DataSource, provided that it isn't a TransactionAwareDataSourceProxy already.

  Overrides:
    `getDataSourceToUse` in class `LocalDataSourceConnectionProvider`
  Parameters:
    `originalDataSource` - the DataSource as configured by the user on LocalSessionFactoryBean
  Returns:
    the DataSource to actually retrieve Connections from (potentially wrapped)
  See Also:
    `AbstractSessionFactoryBean.setDataSource(javax.sql.DataSource)`

### supportsAggressiveRelease

    public boolean supportsAggressiveRelease()

  This implementation returns `true`: We can guarantee to receive the same Connection within a transaction, as we are exposing a TransactionAwareDataSourceProxy.

  Specified by:
    `supportsAggressiveRelease` in interface `ConnectionProvider`
  Overrides:
    `supportsAggressiveRelease` in class `LocalDataSourceConnectionProvider`

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