studentbean.java

来自「精通Jboss——Ejb和Web Services开发精解的随书源代码」· Java 代码 · 共 70 行

/*
 * Created on 2003-7-21
 */
package com.liuyang.ejb.cmp.Student;

import javax.ejb.CreateException;
import javax.ejb.EntityBean;
import javax.ejb.EntityContext;

import com.liuyang.ejb.cmp.Class.ClassLocal;
import com.liuyang.ejb.cmp.Grade.GradeLocal;

/**
 * @author
 * <a href="mailto:[e-mail]">刘洋</a>
 */
public abstract class StudentBean implements EntityBean {
    
  protected EntityContext ctx;

  public abstract Integer getStudentNumber();
  public abstract void    setStudentNumber(Integer number);
  public abstract String  getStudentName();
  public abstract void    setStudentName(String name);
  public abstract char    getSex();
  public abstract void    setSex(char sex);
  public abstract String  getBirthday();
  public abstract void    setBirthday(String birthday);

  // relationship
  public abstract ClassLocal getMyclass();
  public abstract void setMyclass(ClassLocal myclass);

  public abstract GradeLocal getGrade();
  public abstract void setGrade(GradeLocal grade);

  public Integer ejbCreate(Integer sno, String sname, char sex, String birthday)
    throws CreateException {
    if (sno == null) {
      throw new CreateException("student-number is null");
    }
    setStudentNumber(sno);
    setStudentName(sname);
    setSex(sex);
    setBirthday(birthday);
    return null;
  }

  public void ejbPostCreate(Integer sno, String sname, char sex, String birthday) {
  }

  public void setEntityContext(EntityContext ctx) {
    this.ctx = ctx;
  }
  public void unsetEntityContext() {
    ctx = null;
  }
  public void ejbActivate() {
  }
  public void ejbPassivate() {
  }
  public void ejbLoad() {
  }
  public void ejbStore() {
  }
  public void ejbRemove() {
  }

}