/** Get instances by looking in directory for any saved files and also add local in memory instance */ @Override public Set<String> getInstances() { Set<String> keys = new TreeSet<String>(); keys.addAll(super.getInstances()); File[] files = FileUtils.listFiles(getDirectoryName(), FILE_EXT); if(files == null || files.length == 0) { return keys; } keys.addAll(removeFileExtenstion(files)); return keys; }