strategycontainer.cs

本在线考试系统采用了面向对象的分析和设计

using System;
using System.Collections.Generic;
using System.Text;

namespace ExaminationSystem.BLL.Domain
{
    public class StrategyContainer:DomainObject<long>
    {
        private string title = "";

        public virtual string Title
        {
            get { return title; }
            set { title = value; }
        }
        public bool HasQuestion(QuestionContent question)
        {
            foreach (StrategyItem item in StrategyItems)
            {
                if (item.HasQuestion(question))
                    return true;
            }
            return false;
        }
        IList<StrategyItem> strategyItems = new List<StrategyItem>();

        public virtual IList<StrategyItem> StrategyItems
        {
            get { return strategyItems; }
            set { strategyItems = value; }
        }
        public QuestionContainer GetQuestionContainer()
        {
            QuestionContainer result = new QuestionContainer();
            result.Title = title;
            foreach (StrategyItem item in strategyItems)
            {
                IList<Question> questions = item.GetQuestions();
                foreach (Question q in questions)
                {
                    q.QuestionContainer = result;
                    result.Questions.Add(q);
                }
            }
            return result;
        }
        public void AddStrategyItem(StrategyItem item)
        {
            StrategyItems.Add(item);
            item.StrategyContainer = this;
        }
        private PaperStrategy paperStrategy;

        public virtual PaperStrategy PaperStrategy
        {
            get { return paperStrategy; }
            set { paperStrategy = value; }
        }
        public override int GetHashCode()
        {
            return (GetType().FullName + "|" +
                Title).GetHashCode();
        }
    }
}