Question

beginTx() {
Connection conn = ds.getConnection();
SingleConnectionDataSource scd = new SingleConnectionDataSource(conn, true);
SimpleJdbcTemplate template = new SimpleJdbcTemplate(scd);
}

I would like to reuse scd and template without having to create new scd and templates. How can I achieve that?

Answer 1

You could create a bean and inject it like:

<bean id="dataSource"
        class="org.springframework.jdbc.datasource.SingleConnectionDataSource"
        p:driverClassName="org.postgresql.Driver"
        p:url="jdbc:postgresql://localhost/extension" 
        p:username="user"
        p:password="pass" 
        />

But keep in mind as the doc specifies that this is primarily intended for testing and it is not working well in multi-threaded environment.