休眠：收集标准

Question

我有一个休眠和标准的问题。我有两个职业：

public class Place{ 
    long id; 
    String name; 
    Set<Street> streets; 
} 

public class Street{ 
    long id; 
    String name; 
    Place place; 
} 

我现在想写像在给定的参数和参数给定一个名为像街道返回的地点清单与名称的方法。

public List<Place> findPlaces(String name, String streetname){ 
    //getSession() gives me a hibernate session 
    Criteria crit = getSession().createCriteria(Place.class, "place"); 
    crit.add(Restrictions.like("name", name+"%")); 
    //Everything works fine until here 
    //Last step: Sort out all places not containing a street named like streetname + "%" 
} 

我尝试了最后一步不同的方式：

//streetList is a list of all streets named like streetname 
crit.add(Restrictions.in("streets", streetList)); 

另一种方式：

DetachedCriteria strasseCrit = DetachedCriteria.forClass(Street.class, "street"); 
streetCrit.add(Restrictions.like("street.name", streetname + "%")); 
streetCrit.createAlias("street.place", "streetPlace"); 
streetCrit.add(Restrictions.eqProperty("streetPlace.id", "place.id")); 
streetCrit.setProjection(Projections.property("street.name")); 
crit.add(Subqueries.exists(streetCrit)); 

最后一种方法：

crit.createAlias("place.streets", "street"); 
crit.add(Restrictions.like("street.name", streetname + "%")); 
crit.setResultTransformer(DistinctResultTransformer.INSTANCE); 

我希望你能理解我的问题并抱歉我的英语不好:(

我搜索了两天一个解决方案，我不知道如何去...

问候形成德国:) 菲利普

Answer 1

public List<Place> findPlaces(String name, String streetname){ 
    Criteria crit = getSession().createCriteria(Place.class, "place"); 
    criteria.createAlias("streets", "s"); // Create alias for streets 
    crit.add(Restrictions.like("s.name", name+"%")); 
    // continue method 
}