return result;
	public HashMap loadOrphans() {		DataInputStream orphanInput = null;		try {			orphanInput = new DataInputStream(new BufferedInputStream(new FileInputStream(orphansFile)));			int size = orphanInput.readInt();			HashMap result = new HashMap(size);			for (int i = 0; i < size; i++) {				String key = orphanInput.readUTF();				int[] value = readArray(orphanInput);				result.put(key, value);			}			return result;		} catch (IOException e) {			return null;		} finally {			if (orphanInput != null)				try {					orphanInput.close();				} catch (IOException e1) {					//ignore				}		}	}