001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.geronimo.samples.daytrader.ejb; 018 019 import javax.ejb.EJBObject; 020 import javax.ejb.FinderException; 021 import java.math.BigDecimal; 022 import org.apache.geronimo.samples.daytrader.*; 023 import java.rmi.Remote; 024 import java.rmi.RemoteException; 025 026 public interface Quote extends EJBObject, Remote 027 { 028 029 /* Container persisted attributes 030 * Note: Commented out methods are internal only and not exposed to EJB clients 031 * For example: The Primary Key value cannot be modified after creation 032 * Also, modification of other Entity attributes may be restricted to internal use 033 */ 034 035 public String getSymbol() throws RemoteException; /* symbol */ 036 public void setSymbol(String symbol) throws RemoteException; 037 public String getCompanyName() throws RemoteException; /* companyName */ 038 public void setCompanyName(String companyName) throws RemoteException; 039 public double getVolume() throws RemoteException; /* volume */ 040 //public void setVolume(double volume) throws RemoteException; 041 public BigDecimal getPrice() throws RemoteException; /* price */ 042 //public void setPrice(BigDecimal price) throws RemoteException; 043 public BigDecimal getOpen() throws RemoteException; /* open price */ 044 //public void setOpen(BigDecimal price) throws RemoteException; 045 public BigDecimal getLow() throws RemoteException; /* low price */ 046 //public void setLow(BigDecimal price) throws RemoteException; 047 048 /* high price */ 049 public BigDecimal getHigh() throws RemoteException; 050 //public void setHigh(BigDecimal price) throws RemoteException; 051 052 053 /* Change in price */ 054 /* Note: this can be computed by "current-open" 055 but is added here for convenience 056 */ 057 public double getChange() throws RemoteException; 058 //public void setChange(double change) throws RemoteException; 059 060 061 /* Relationshiop fields */ 062 // Cannot be exposed on Remote I/F 063 //public abstract Collection getOrders() throws RemoteException; 064 //public abstract void setOrders(Collection orders) throws RemoteException; 065 066 067 /* Business methods */ 068 069 public void updatePrice(BigDecimal price) throws RemoteException; 070 public void updatePrice(double price) throws RemoteException; 071 072 public void addToVolume(double quantity) throws RemoteException; 073 074 /* FUTURE This is the approach using ejbSelect methods 075 * using Trade Session EJB approach instead 076 077 078 public Collection getTopGainers(int count) 079 throws FinderException throws RemoteException; 080 081 public Collection getTopLosers(int count) 082 throws FinderException throws RemoteException; 083 084 public BigDecimal getTSIA() 085 throws FinderException throws RemoteException; 086 087 public BigDecimal getOpenTSIA() 088 throws FinderException throws RemoteException; 089 090 * 091 */ 092 093 public double getTotalVolume() 094 throws FinderException, RemoteException; 095 096 public QuoteDataBean getDataBean() throws RemoteException; 097 // public String toString() throws RemoteException; 098 }