论文代码

public Map<Integer, Map<Integer, Double>> getPersonFeature(){
	Map<Integer, Map<Integer, Double>> personMap = Maps.newHashMap();
	List<Integer> userIds = getAllUserId();
	List<PersonalFeature> persons; 
	for(Integer userId : userIds){
		persons = getAllPersonalFeature(userId);
		Map<Integer, Double> userApRatio = persons.stream()
		.collect(Collectors.toMap(p->p.getApId(), p->p.getRatio(), (p1, p2)->p1));
		map.put(userId, userApRatio);
	}
	return personMap;
}