public class AuditService {
    private CopyOnWriteArrayList<Audit> copyWrite;

    public void flush(Audit... audits) {
        Collection<Audit> auditCollection = Arrays.asList(audits);
        this.copyWrite.addAll(auditCollection);

        this.copyWrite.forEach(audit -> {
            try {
              // save audit object on database
              this.copyWrite.remove(audit);
            } catch (DataAccessException e) {
              // log it
            }

        });
    }
}