I am trying to create a table-per-hierarchy mapping using NHibernate 2.0.1. I have a base class with properties that exist for each subclass that other classes inherit from. All of these objects are
I need help with inheritance in JPA I will illustrate my problem w开发者_如何学运维ith an example:
I am writing some code for handling data. There are a number of groups of processing functions that can be chosen by the user that are then applied to the dataset. I would like to implement all these
Composition and inheritance. I am aware that they are both tools to be chosen when appropriate, and context is very important in choosing between composition and inheritance.However, the discussion a
I got a class X and a class Y, the latter which derives from X : class x {} class y : x {} Then somewhere I am using a list of X :
I have the following class hierarchy: public class Row : ICloneable, IComparable, IEquatable<Row>,
The below code works fine: ListControl lstMyControl; if (SomeVariable == SomeEnum.Value1) { lstMyControl = new DropDownList();
I have this structure of classes. class Interface { // ... }; class Foo : public Interface { // ... }; template <class T>
I\'m trying to allow users to \'favorite\' different items in my web app. So, for example, a user can favorite a comment and favorite a news story. I then want to query all of the items a user has fav
I have a base class (order) with a set of sub classes (productorder, specialorder, partsorder etc). Only Some of these sub classes implement a particular interface (ITrackingCustomer) which has a si