Examples with Fn com.entwinemedia.fn.Fn used on opensource projects

Example 16 with Fn

use of com.entwinemedia.fn.Fn in project opencast by opencast.

the class SchedulerServiceDatabaseImpl method getTransactions.

@Override
@SuppressWarnings("unchecked")
public List<String> getTransactions() throws SchedulerServiceDatabaseException {
    EntityManager em = null;
    try {
        em = emf.createEntityManager();
        String orgId = securityService.getOrganization().getId();
        Query q = em.createNamedQuery("Transaction.findAll").setParameter("org", orgId);
        List<TransactionDto> resultList = q.getResultList();
        return $(resultList).map(new Fn<TransactionDto, String>() {

            @Override
            public String apply(TransactionDto trx) {
                return trx.getId();
            }
        }).toList();
    } catch (Exception e) {
        logger.error("Could not retrieve transactions: {}", getStackTrace(e));
        throw new SchedulerServiceDatabaseException(e);
    } finally {
        if (em != null)
            em.close();
    }
}