request.java

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package com.tarena.exam.model;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

import com.tarena.exam.exceptions.IllegalResponseTypeException;

public class Request implements Serializable{
	public static final int LOGIN_REQUEST=1;
	public static final int BEGIN_REQUEST=2;
	public static final int SEND_REQUEST=3;
	public static final int QUIT_REQUEST=4;
	
	private int type;
	private Map<String,Serializable> data;
	private static final long serialVersionUID=-371890756421779L;
	
	public Request(int type){
		switch(type){
		case LOGIN_REQUEST:
		case BEGIN_REQUEST:
		case SEND_REQUEST:
		case QUIT_REQUEST:this.type=type;break;
			default: throw new IllegalResponseTypeException("无效的异常类型："+type);
		}
		data=new HashMap<String,Serializable>();
	}
	
	public void addData(String key,Serializable value){
		data.put(key,value);
	}
	
	public Serializable getData(String key){
		return data.get(key);
	}

	public int getType() {
		return type;
	}

}