| /* |
| * Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package com.sun.s1peqe.ejb.stateless.converter.ejb; |
| |
| import java.util.Collection; |
| import java.rmi.RemoteException; |
| import jakarta.ejb.SessionBean; |
| import jakarta.ejb.SessionContext; |
| import jakarta.ejb.TimedObject; |
| import jakarta.ejb.TimerService; |
| import jakarta.ejb.Timer; |
| import jakarta.ejb.TimerHandle; |
| import jakarta.ejb.EJBException; |
| import java.math.*; |
| |
| /** |
| * A simple stateless bean for the Converter application. This bean implements all |
| * business method as declared by the remote interface, <code>Converter</code>. |
| * |
| * @see Converter |
| * @see ConverterHome |
| */ |
| public class ConverterBean implements SessionBean, TimedObject { |
| |
| SessionContext sessionContext_; |
| |
| BigDecimal yenRate = new BigDecimal("121.6000"); |
| BigDecimal euroRate = new BigDecimal("0.0077"); |
| |
| /** |
| * Returns the yen value for a given dollar amount. |
| * @param dollars dollar amount to be converted to yen. |
| */ |
| public BigDecimal dollarToYen(BigDecimal dollars) { |
| |
| |
| // add some tests to ensure that timer service is working. |
| // Don't want to add an entirely new test yet since the total |
| // number of tests is getting large. This set of operations will |
| // ensure that the timer persistent store is configured properly, |
| // in addition to exercising some of the common timer functions. |
| testTimerService(); |
| |
| BigDecimal result = dollars.multiply(yenRate); |
| return result.setScale(2,BigDecimal.ROUND_UP); |
| } |
| |
| /** |
| * Returns the euro value for a given yen amount. |
| * @param yen yen amount to be converted to euro. |
| */ |
| public BigDecimal yenToEuro(BigDecimal yen) { |
| BigDecimal result = yen.multiply(euroRate); |
| return result.setScale(2,BigDecimal.ROUND_UP); |
| } |
| |
| /** |
| * Required by EJB spec. |
| */ |
| public ConverterBean() {} |
| |
| /** |
| * Creates a bean. Required by EJB spec. |
| * @exception throws CreateException. |
| */ |
| public void ejbCreate() {} |
| |
| /** |
| * Removes the bean. Required by EJB spec. |
| */ |
| public void ejbRemove() {} |
| |
| /** |
| * Loads the state of the bean from secondary storage. Required by EJB spec. |
| */ |
| public void ejbActivate() {} |
| |
| /** |
| * Keeps the state of the bean to secondary storage. Required by EJB spec. |
| */ |
| public void ejbPassivate() {} |
| |
| /** |
| * Sets the session context. Required by EJB spec. |
| * @param ctx A SessionContext object. |
| */ |
| public void setSessionContext(SessionContext sc) { |
| sessionContext_ = sc; |
| } |
| |
| private void testTimerService() throws EJBException { |
| |
| String info = "testTimerService"; |
| |
| TimerService timerService; |
| Timer timer; |
| try { |
| sessionContext_.getUserTransaction().begin(); |
| timerService = sessionContext_.getTimerService(); |
| timer = timerService.createTimer(10000000, info); |
| sessionContext_.getUserTransaction().commit(); |
| System.out.println("Successfully created ejb timer"); |
| } catch(Exception e) { |
| try { |
| sessionContext_.getUserTransaction().rollback(); |
| } catch(Exception re) {} |
| e.printStackTrace(); |
| throw new EJBException(e); |
| } |
| |
| try { |
| sessionContext_.getUserTransaction().begin(); |
| Collection timers = timerService.getTimers(); |
| Timer timer2 = (Timer) timers.iterator().next(); |
| if( !timer.equals(timer2) ) { |
| throw new EJBException("incorrect timer found " + timer2); |
| } |
| timer2.cancel(); |
| sessionContext_.getUserTransaction().commit(); |
| System.out.println("Successfully cancelled timer"); |
| } catch(Exception e) { |
| try { |
| sessionContext_.getUserTransaction().rollback(); |
| } catch(Exception re) {} |
| e.printStackTrace(); |
| throw new EJBException(e); |
| } |
| |
| try { |
| sessionContext_.getUserTransaction().begin(); |
| Collection timers = timerService.getTimers(); |
| if( timers.size() > 0 ) { |
| throw new EJBException("Incorrect number of timers = " + |
| timers.size()); |
| } |
| sessionContext_.getUserTransaction().commit(); |
| System.out.println("Successfully queried timers"); |
| } catch(Exception e) { |
| try { |
| sessionContext_.getUserTransaction().rollback(); |
| } catch(Exception re) {} |
| e.printStackTrace(); |
| throw new EJBException(e); |
| } |
| |
| } |
| |
| public void ejbTimeout(Timer t) {} |
| |
| } // ConverterBean |