org.springframework.orm.hibernate3

Class TransactionAwareDataSourceConnectionProvider

java.lang.Object

org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider

org.springframework.orm.hibernate3.TransactionAwareDataSourceConnectionProvider

All Implemented Interfaces:

org.hibernate.connection.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

Constructors

Constructor and Description
TransactionAwareDataSourceConnectionProvider()

Method Summary

Modifier and Type	Method and Description
protected javax.sql.DataSource	getDataSourceToUse(javax.sql.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 javax.sql.DataSource getDataSourceToUse(javax.sql.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 org.hibernate.connection.ConnectionProvider

Overrides:

supportsAggressiveRelease in class LocalDataSourceConnectionProvider