| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.jvmstat.monitor.event; |
| 27 | |
| 28 | import java.util.List; |
| 29 | import sun.jvmstat.monitor.MonitoredVm; |
| 30 | |
| 31 | /** |
| 32 | * Provides a description of a change in status of the instrumentation |
| 33 | * exported by the MonitoredVm. |
| 34 | * |
| 35 | * @author Brian Doherty |
| 36 | * @since 1.5 |
| 37 | */ |
| 38 | public class MonitorStatusChangeEvent extends VmEvent { |
| 39 | |
| 40 | /** |
| 41 | * List of instrumentation objects inserted since the last event. |
| 42 | * Elements of this list will always be of type Monitor. |
| 43 | */ |
| 44 | protected List inserted; |
| 45 | |
| 46 | /** |
| 47 | * List of instrumentation objects removed since the last event. |
| 48 | * Elements of this list will always be of type Monitor. |
| 49 | */ |
| 50 | protected List removed; |
| 51 | |
| 52 | /** |
| 53 | * Construct a new MonitorStatusChangeEvent. |
| 54 | * |
| 55 | * @param vm the MonitoredVm source of the event. |
| 56 | * @param inserted the list of instrumentation objects inserted since |
| 57 | * the last event. |
| 58 | * @param removed the list of instrumentation objects removed since |
| 59 | * the last event. |
| 60 | */ |
| 61 | public MonitorStatusChangeEvent(MonitoredVm vm, List inserted, |
| 62 | List removed) { |
| 63 | super(vm); |
| 64 | this.inserted = inserted; |
| 65 | this.removed = removed; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Return the list of instrumentation objects that were inserted |
| 70 | * since the last event notification. |
| 71 | * |
| 72 | * @return List - a List of Monitor objects that were inserted into the |
| 73 | * instrumentation exported by the MonitoredHost. If no |
| 74 | * new instrumentation was inserted, an emply List is |
| 75 | * returned. |
| 76 | */ |
| 77 | public List getInserted() { |
| 78 | return inserted; |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Return the set of instrumentation objects that were removed |
| 83 | * since the last event notification. |
| 84 | * |
| 85 | * @return List - a List of Monitor objects that were removed from the |
| 86 | * instrumentation exported by the MonitoredHost. If no |
| 87 | * instrumentation was removed, an emply List is returned. |
| 88 | */ |
| 89 | public List getRemoved() { |
| 90 | return removed; |
| 91 | } |
| 92 | } |