orderlineitemejb.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.orderlineitem;
import javax.naming.*;
import javax.ejb.*;
import java.util.*;
import day21ex.order.*;
import day21ex.course.*;
public abstract class OrderLineItemEJB implements EntityBean {
   protected EntityContext ctx;
   public OrderLineItemEJB() {
      System.out.println("OrderLineItem created.");
   }
   public abstract String getOrderLineItemId();
   public abstract void setOrderLineItemId(String id);
   public abstract OrderLocal getOrder();
   public abstract void setOrder(OrderLocal order);
   public abstract CourseLocal getCourse();
   public abstract void setCourse(CourseLocal course);
   public abstract double getFee();
   public abstract void setFee(double fee);	
   public void setEntityContext(EntityContext ctx) {
      System.out.println("OrderLineItem.setEntityContext called");
      this.ctx = ctx;
   }
   public void unsetEntityContext() {
      System.out.println("OrderLineItem.unsetEntityContext called");
      this.ctx = null; 
   }
   public void ejbActivate() {
      System.out.println("OrderLineItem.ejbActivate() called.");
   }
   public void ejbPassivate() {
      System.out.println("OrderLineItem.ejbPassivate () called.");
   }
   public void ejbStore() {
      System.out.println("OrderLineItem.ejbStore() called.");
   }
   public void ejbLoad() {
      System.out.println("OrderLineItem.ejbLoad() called.");
   }
   public String ejbCreate(String orderLineItemID, OrderLocal order, 
          CourseLocal course, double fee) throws CreateException {
      System.out.println("OrderLineItem.ejbCreate(" + orderLineItemID 
                            + ") called.");

      setOrderLineItemId(orderLineItemID);
      setFee(fee);
      return null;
   }
   public void ejbPostCreate(String orderLineItemID, OrderLocal order, 
               CourseLocal course, double fee) throws CreateException {
      System.out.println("OrderLineItem.ejbPostCreate() called");
      setCourse(course);
      setOrder(order);
   }
   public void ejbRemove() {
      System.out.println("OrderLineItem.ejbRemove() called.");
   }
}