paperstrategy.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 PaperStrategy:DomainObject<long>
    {
        private string name;
        private Subject subject;
        public bool HasQuestion(QuestionContent question)
        {
            foreach (StrategyContainer container in StrategyContainers)
            {
                if (container.HasQuestion(question))
                    return true;
            }
            return false;
        }

        public virtual Subject Subject
        {
            get { return subject; }
            set { subject = value; }
        }

        public virtual string Name
        {
            get { return name; }
            set { name = value; }
        }
        IList<StrategyContainer> strategyContainers = new List<StrategyContainer>();

        public IList<StrategyContainer> StrategyContainers
        {
            get { return strategyContainers; }
            set { strategyContainers = value; }
        }
        public Paper GetCurrentPaper()
        {
            Paper paper = new Paper();
            paper.IsSubmited = false;
            foreach (StrategyContainer container in strategyContainers)
            {
                QuestionContainer qustionContainer = container.GetQuestionContainer();
                qustionContainer.Paper = paper;
                paper.QuestionContainers.Add(qustionContainer);
                
            }

            return paper;
        }
        public void AddStrategyContainer(StrategyContainer container)
        {
            StrategyContainers.Add(container);
            container.PaperStrategy = this;
        }
        public override int GetHashCode()
        {
            return (GetType().FullName + "|" +
                Name).GetHashCode();

        }
    }
}