void setDefaultHarvestNamePrefix() { if (getJobID() != null) { ArchiveFileNaming naming = ArchiveFileNamingFactory.getInstance(); log.debug("Applying the default ArchiveFileNaming class '{}'.", naming.getClass().getName()); final String prefix = naming.getPrefix(this); setHarvestFilenamePrefix(prefix); log.debug("The harvestPrefix of this job is: {}", prefix); } else { log.warn( "The harvestnamePrefix is not set now, as it depends on the JobID, which is not set yet"); } }