SpringConnection.java

public class SpringConnection implements Connection {

    private final DataSource dataSource;
    private final Connection conn;

    public SpringConnection(DataSource dataSource, Connection conn) {
        this.dataSource = dataSource;
        this.conn = conn;
    }

    public void commit() throws SQLException {
        // Do nothing!
    }

    /**
     * calls DataSourceUtils.closeConnectionIfNecessary rather than directly closing the connection
     */
    public void close() throws SQLException {
        DataSourceUtils.releaseConnection(conn, dataSource);
    }

    //Lots of methods here that just delegats to the conn instance variable
}