setConnectionFactory2(connectionFactory) - JDO PersistenceManagerFactory's method

void setConnectionFactory2(
  Object connectionFactory

Set the second data store connection factory. This is needed for managed environments to get nontransactional connections for optimistic transactions. JDO implementations will support specific connection factories. The connection factory interfaces are not part of the JDO specification.
connectionFactory - the data store connection factory.
JDO 1.0

This documentation page is derived (with some adjustments) from the JDO 2.2 API
and is available under the terms of the Apache License, v. 2.0.