| 1 | /* java.beans.beancontext.BeanContextServiceRevokedEvent
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| 2 | Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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| 3 |
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| 4 | This file is part of GNU Classpath.
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| 5 |
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| 6 | GNU Classpath is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2, or (at your option)
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| 9 | any later version.
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| 10 |
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| 11 | GNU Classpath is distributed in the hope that it will be useful, but
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| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 14 | General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with GNU Classpath; see the file COPYING. If not, write to the
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| 18 | Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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| 19 | 02111-1307 USA.
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| 20 |
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| 21 | Linking this library statically or dynamically with other modules is
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| 22 | making a combined work based on this library. Thus, the terms and
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| 23 | conditions of the GNU General Public License cover the whole
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| 24 | combination.
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| 25 |
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| 26 | As a special exception, the copyright holders of this library give you
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| 27 | permission to link this library with independent modules to produce an
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| 28 | executable, regardless of the license terms of these independent
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| 29 | modules, and to copy and distribute the resulting executable under
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| 30 | terms of your choice, provided that you also meet, for each linked
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| 31 | independent module, the terms and conditions of the license of that
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| 32 | module. An independent module is a module which is not derived from
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| 33 | or based on this library. If you modify this library, you may extend
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| 34 | this exception to your version of the library, but you are not
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| 35 | obligated to do so. If you do not wish to do so, delete this
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| 36 | exception statement from your version. */
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| 37 |
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| 38 |
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| 39 | package java.beans.beancontext;
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| 40 |
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| 41 | /**
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| 42 | * Event fired when services are revoked from a <code>BeanContextServices</code>.
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| 43 | *
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| 44 | * @author John Keiser
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| 45 | * @since JDK1.2
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| 46 | * @see java.beans.beancontext.BeanContextServiceRevokedListener
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| 47 | */
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| 48 |
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| 49 | public class BeanContextServiceRevokedEvent extends BeanContextEvent {
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| 50 | /**
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| 51 | * The <code>Class</code> representing the service which is now
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| 52 | * available.
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| 53 | */
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| 54 | protected Class serviceClass;
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| 55 | private boolean invalidateRefs;
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| 56 |
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| 57 | /**
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| 58 | * Create a new service revoked event.
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| 59 | * @param services the <code>BeanContextServices</code> through
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| 60 | * which the service was available. This is also the source
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| 61 | * of the event.
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| 62 | * @param serviceClass the service class that is now revoked.
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| 63 | * @param revokeNow whether the revocation is immediate for all
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| 64 | * classes or just a suggestion.
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| 65 | */
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| 66 | public BeanContextServiceRevokedEvent(BeanContextServices services, Class serviceClass, boolean revokeNow) {
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| 67 | super(services);
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| 68 | this.serviceClass = serviceClass;
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| 69 | invalidateRefs = revokeNow;
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| 70 | }
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| 71 |
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| 72 | /**
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| 73 | * Get the revoked service class.
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| 74 | * @return the service class.
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| 75 | */
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| 76 | public Class getServiceClass() {
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| 77 | return serviceClass;
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| 78 | }
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| 79 |
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| 80 | /**
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| 81 | * Tell whether the revoked service class is the same as the specified class.
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| 82 | * Identical to <code>getServiceClass().equals(c)</code>.
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| 83 | * @param c the class to compare.
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| 84 | * @return whether the clases are equal.
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| 85 | */
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| 86 | public boolean isServiceClass(Class c) {
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| 87 | return serviceClass.equals(c);
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| 88 | }
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| 89 |
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| 90 | /**
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| 91 | * Get the <code>BeanContextServices</code> through which the service was available.
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| 92 | * @return the <code>BeanContextServices</code> through which the
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| 93 | * service was available.
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| 94 | */
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| 95 | public BeanContextServices getSourceAsBeanContextServices() {
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| 96 | return (BeanContextServices)getSource();
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| 97 | }
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| 98 |
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| 99 | /**
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| 100 | * Tell whether current instances of the revoked service are usable or not.
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| 101 | * This is determined by whether the service was revoked
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| 102 | * immediately.
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| 103 | *
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| 104 | * @return whether current instances of the revoked service are
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| 105 | * usable.
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| 106 | */
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| 107 | public boolean isCurrentServiceInvalidNow() {
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| 108 | return invalidateRefs;
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| 109 | }
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| 110 | }
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