inventorywebimpl.java

来自「一个优秀的供应商管理系统」· Java 代码 · 共 31 行

package apusic.myshop.inventory.web;



import java.rmi.RemoteException;
import javax.ejb.FinderException;

import apusic.myshop.util.Debug;
import apusic.myshop.util.EJBUtil;

import apusic.myshop.inventory.ejb.InventoryHome;
import apusic.myshop.inventory.ejb.Inventory;

public class InventoryWebImpl  {

  public InventoryWebImpl() { }

  public int getInventory(String productId){
    try{
      InventoryHome inventoryHome = EJBUtil.getInventoryHome();
      Inventory inventory = inventoryHome.findByProductId(productId);
	    return inventory.getQty();
    } catch (RemoteException re) {
      Debug.println("InventoryBean: Unable to locate invetory for item " + productId);
    } catch (FinderException fe) {
      Debug.println("InventoryBean: Unable to locate invetory for item " + productId);
    }
      return 0;
    }
}