swimdata.cs

C#设计模式随书源码-Adapter模式实例程序

using System;
using System.Collections ;
using CsharpPats;

namespace TreeAdapt
{
	/// <summary>
	/// Summary description for SwimData.
	/// </summary>
	public class SwimData:ICloneable 	{
		protected ArrayList swdata;
		private int index;
		//-----
		public SwimData() {
				swdata = new ArrayList ();
		}
		//-----
		public SwimData(ArrayList swd) {
			swdata = swd;
			index=0;
		}
		//-----
		public int count() {
			return swdata.Count ;
		}
		//-----
		public SwimData(string filename) 		{
			swdata = new ArrayList ();
			csFile fl = new csFile(filename);
			fl.OpenForRead ();
			string s = fl.readLine ();
			while(s != null) {
				Swimmer sw = new Swimmer(s);
				swdata.Add (sw);
				s = fl.readLine ();
			}
			fl.close ();
		}
		//-----
		public object Clone() {
			SwimData newsd = new SwimData(swdata);
			return newsd;
		}
		//-----
		public void moveFirst() {
			index = 0;
		}
		//-----
		public bool hasMoreElements() {
			return (index < swdata.Count-1 );
		}
		//-----
		public void sort() {
		//sort using IComparable interface of Swimmer
			swdata.Sort (0,swdata.Count ,null);
		}
		//-----
		public Swimmer getSwimmer(int index) {
			if(index < swdata.Count && index >=0)
				return (Swimmer)swdata[index++];
			else
				return null;
		}
		//-----
		public Swimmer getSwimmer() {
			if(index < swdata.Count )
				return (Swimmer)swdata[index++];
			else
				return null;
		}
	}
}