package cn.hxex.exam.model;

import cn.hxex.exam.Globals;

/**
 * The pojo about user
 * 
 * @hibernate.class
 *  table="USERINFO"
 *
 * @struts.form
 *  name="userForm"
 *  extends="cn.hxex.exam.form.BaseForm"
 *  
 * @author galaxy
 *
 */
public class User extends Base
{
	/**
	 * The Generated Serial Version UID
	 */
	private static final long serialVersionUID = -5406239670051559744L;

	private String name;

	private String password;

	private String fullname;

	/**
	 * Get the name about the user
	 * 
	 * @hibernate.property
	 *  column="NAME"
	 *  
	 * @struts.form-field
	 *  form-name="userForm"
	 *  
	 * @struts.validator
	 *  type="required"
	 * 
	 * @return name
	 */
	public String getName()
	{
		return name;
	}

	public void setName(String name)
	{
		this.name = name;
	}

	/**
	 * Get the password about the user
	 * 
	 * @hibernate.property
	 *  column="PASSWORD"
	 * 
	 * @struts.form-field
	 *  form-name="userForm"
	 *  
	 * @struts.validator
	 *  type="required"
	 * 
	 * @return password
	 */
	public String getPassword()
	{
		return password;
	}

	public void setPassword(String password)
	{
		this.password = password;
	}

	/**
	 * Get the compellation of user
	 * 
	 * @hibernate.property
	 *  column="FULLNAME"
	 *  
	 * @struts.form-field
	 *  form-name="teacherForm"
	 * 
	 * @struts.form-field
	 *  form-name="studentForm"
	 * 
	 * @return compellation
	 */
	public String getFullname()
	{
		return fullname;
	}

	public void setFullname(String fullname)
	{
		this.fullname = fullname;
	}

	/**
	 * 得到用戶的類型
	 * @return 用戶類型
	 */
	public String getUserType()
	{
		if (this instanceof Student)
			return Globals.ROLE_STUDENT;
		else if (this instanceof Teacher)
			return Globals.ROLE_TEACHER;
		else
			return Globals.ROLE_ADMIN;
	}

	/**
	 * 判斷當前用戶是否為管理員
	 * @return 如果用戶為管理員，則返回值為true；否則返回值為false。
	 */
	public boolean isAdmin()
	{
		return Globals.ROLE_ADMIN.equals(getUserType());
	}

	/**
	 * 判斷當前用戶是否為教師
	 * @return 如果用戶為教師，則返回值為true；否則返回值為false。
	 */
	public boolean isTeacher()
	{
		return Globals.ROLE_TEACHER.equals(getUserType());
	}

	/**
	 * 判斷當前用戶是否為學生
	 * @return 如果當前用戶為學生，則返回值為true；否則返回值為false。
	 */
	public boolean isStudent()
	{
		return Globals.ROLE_STUDENT.equals(getUserType());
	}
}