studentejb.java

学生注册— 本模块允许新的学生创建和维护他们的帐户信息

package day21ex.student;
import java.sql.*;
import javax.sql.DataSource;
import javax.naming.*;
import javax.ejb.*;
import java.util.*;
public abstract class StudentEJB implements EntityBean {
   protected EntityContext ctx;
   public abstract String getStudentId();
   public abstract void setStudentId(String studentId);
   public abstract String getFirstName();
   public abstract void setFirstName(String firstName);
   public abstract String getLastName();
   public abstract void setLastName(String lastName);
   public abstract String getAddress();
   public abstract void setAddress(String address);
   public abstract String getEmailAddress();
   public abstract void setEmailAddress(String emailAddress);
   public void setEntityContext(EntityContext ctx) {
      System.out.println("Student.setEntityContext called");
      this.ctx = ctx;
   }
   public void unsetEntityContext() {
      System.out.println("Student.unsetEntityContext called");
      this.ctx = null; 
   }
   public void ejbActivate() {
      System.out.println("Student.ejbActivate() called.");
   }
   public void ejbPassivate() {
      System.out.println("Student.ejbPassivate () called.");
   }
   public void ejbStore() {
      System.out.println("Student.ejbStore() called.");
   }
   public void ejbLoad() {
      System.out.println("Student.ejbLoad() called.");
   }
   public String ejbCreate(String id, String firstName, String lastName, 
                           String address, String emailAddress)
      throws CreateException {
      System.out.println("Student.ejbCreate() called.");
      setStudentId(id);
      setFirstName(firstName);
      setLastName(lastName);
      setAddress(address);
      setEmailAddress(emailAddress);
      return null;
   }
   public void ejbPostCreate(String id, String firstName, String lastName, 
                             String address, String emailAddress)
      throws CreateException {
      System.out.println("Student.ejbPostCreate() called.");
   }
   public void ejbRemove() throws RemoveException {
      System.out.println("Student.ejbRemove() called.");
   }
}