语法虚拟成员 [英] Syntax for virtual members

问题描述

考虑写在C＃.NET 4.0（通常在NHibernate的类中找到）以下类：

Consider the following class written in c# .net 4.0 (typically found in a nhibernate class):

public class CandidateEntity : EntityBase
{
    public virtual IList<GradeEntity> Grades { get; set; }

    public CandidateEntity()
    {
         Grades = new List<GradeEntity>(); 
    }
}

这行得到了充分的理由警告虚成员通话在构造函数。
我应该在哪里初始化这个集合？

This line gets a well founded warning "virtual member call in the constructor". Where shall I initialize this collection ?

问候，

推荐答案

支持字段是一种方法。另一种方法是使用一个专用的制定者。这工作得很好NHibernate的

The backing field is one way. Another is to use a private setter. This works well in nHibernate.

public virtual IList<GradeEntity> Grades { get; private set; }

public CandidateEntity()
{
     Grades = new List<GradeEntity>();
}

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