| 1 | /* java.beans.beancontext.BeanContextServiceRevokedEvent |
| 2 | Copyright (C) 1999, 2000 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Classpath. |
| 5 | |
| 6 | GNU Classpath is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GNU Classpath is distributed in the hope that it will be useful, but |
| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Classpath; see the file COPYING. If not, write to the |
| 18 | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 19 | 02110-1301 USA. |
| 20 | |
| 21 | Linking this library statically or dynamically with other modules is |
| 22 | making a combined work based on this library. Thus, the terms and |
| 23 | conditions of the GNU General Public License cover the whole |
| 24 | combination. |
| 25 | |
| 26 | As a special exception, the copyright holders of this library give you |
| 27 | permission to link this library with independent modules to produce an |
| 28 | executable, regardless of the license terms of these independent |
| 29 | modules, and to copy and distribute the resulting executable under |
| 30 | terms of your choice, provided that you also meet, for each linked |
| 31 | independent module, the terms and conditions of the license of that |
| 32 | module. An independent module is a module which is not derived from |
| 33 | or based on this library. If you modify this library, you may extend |
| 34 | this exception to your version of the library, but you are not |
| 35 | obligated to do so. If you do not wish to do so, delete this |
| 36 | exception statement from your version. */ |
| 37 | |
| 38 | |
| 39 | package java.beans.beancontext; |
| 40 | |
| 41 | /** |
| 42 | * Event fired when services are revoked from a <code>BeanContextServices</code>. |
| 43 | * |
| 44 | * @author John Keiser |
| 45 | * @since JDK1.2 |
| 46 | * @see java.beans.beancontext.BeanContextServiceRevokedListener |
| 47 | */ |
| 48 | |
| 49 | public class BeanContextServiceRevokedEvent extends BeanContextEvent { |
| 50 | private static final long serialVersionUID = -1295543154724961754L; |
| 51 | |
| 52 | /** |
| 53 | * The <code>Class</code> representing the service which is now |
| 54 | * available. |
| 55 | */ |
| 56 | protected Class serviceClass; |
| 57 | private boolean invalidateRefs; |
| 58 | |
| 59 | /** |
| 60 | * Create a new service revoked event. |
| 61 | * @param services the <code>BeanContextServices</code> through |
| 62 | * which the service was available. This is also the source |
| 63 | * of the event. |
| 64 | * @param serviceClass the service class that is now revoked. |
| 65 | * @param revokeNow whether the revocation is immediate for all |
| 66 | * classes or just a suggestion. |
| 67 | */ |
| 68 | public BeanContextServiceRevokedEvent(BeanContextServices services, Class serviceClass, boolean revokeNow) { |
| 69 | super(services); |
| 70 | this.serviceClass = serviceClass; |
| 71 | invalidateRefs = revokeNow; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Get the revoked service class. |
| 76 | * @return the service class. |
| 77 | */ |
| 78 | public Class getServiceClass() { |
| 79 | return serviceClass; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Tell whether the revoked service class is the same as the specified class. |
| 84 | * Identical to <code>getServiceClass().equals(c)</code>. |
| 85 | * @param c the class to compare. |
| 86 | * @return whether the clases are equal. |
| 87 | */ |
| 88 | public boolean isServiceClass(Class c) { |
| 89 | return serviceClass.equals(c); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Get the <code>BeanContextServices</code> through which the service was available. |
| 94 | * @return the <code>BeanContextServices</code> through which the |
| 95 | * service was available. |
| 96 | */ |
| 97 | public BeanContextServices getSourceAsBeanContextServices() { |
| 98 | return (BeanContextServices)getSource(); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Tell whether current instances of the revoked service are usable or not. |
| 103 | * This is determined by whether the service was revoked |
| 104 | * immediately. |
| 105 | * |
| 106 | * @return whether current instances of the revoked service are |
| 107 | * usable. |
| 108 | */ |
| 109 | public boolean isCurrentServiceInvalidNow() { |
| 110 | return invalidateRefs; |
| 111 | } |
| 112 | } |