public void tmpForecast() {
		FileWriter fw = null;
		String path = "D://4-10.txt";
		List<User> users = userStatistics.getUsers();
		int all = 0;
		
		Calendar myDate = Calendar.getInstance();
		myDate.set(Calendar.MONTH, 7);
		myDate.set(Calendar.DAY_OF_MONTH, 4);
		Date tmpDate = myDate.getTime();
		
		Calendar thisDate = Calendar.getInstance();
		thisDate.set(Calendar.MONTH, 7);
		thisDate.set(Calendar.DAY_OF_MONTH, 6);
		Date strictDate = thisDate.getTime();
		myForecast(users, tmpDate, strictDate);
		
		
		try {
			fw = new FileWriter(path);
			for (int i = 0; i < users.size(); i++) {								
				Set<Long> like = users.get(i).getWillBuy();
				if (like.size() > 0) {
					Iterator<Long> iterator = like.iterator();
					String brandsList = new String();
					brandsList += iterator.next();
					all++;
					while (iterator.hasNext()) {
						all++;
						brandsList += "," + iterator.next();
					}
					brandsList += "\n";
					fw.write(users.get(i).getId() + "\t" + brandsList);
				} 
				
			}
			fw.close();
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				fw.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		
		System.out.println("items: " + all);
	}