J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004-2006 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.tools.jconsole; |
| 27 | |
| 28 | import java.awt.*; |
| 29 | import java.awt.event.*; |
| 30 | import java.beans.*; |
| 31 | |
| 32 | import javax.swing.*; |
| 33 | |
| 34 | public abstract class Tab extends JPanel { |
| 35 | private String name; |
| 36 | private Worker worker; |
| 37 | |
| 38 | protected VMPanel vmPanel; |
| 39 | |
| 40 | private SwingWorker<?, ?> prevSW; |
| 41 | |
| 42 | public Tab(VMPanel vmPanel, String name) { |
| 43 | this.vmPanel = vmPanel; |
| 44 | this.name = name; |
| 45 | } |
| 46 | |
| 47 | public SwingWorker<?, ?> newSwingWorker() { |
| 48 | return null; |
| 49 | } |
| 50 | |
| 51 | public void update() { |
| 52 | final ProxyClient proxyClient = vmPanel.getProxyClient(); |
| 53 | if (!proxyClient.hasPlatformMXBeans()) { |
| 54 | throw new UnsupportedOperationException( |
| 55 | "Platform MXBeans not registered in MBeanServer"); |
| 56 | } |
| 57 | |
| 58 | SwingWorker<?,?> sw = newSwingWorker(); |
| 59 | // schedule SwingWorker to run only if the previous |
| 60 | // SwingWorker has finished its task and it hasn't started. |
| 61 | if (prevSW == null || prevSW.isDone()) { |
| 62 | if (sw == null || sw.getState() == SwingWorker.StateValue.PENDING) { |
| 63 | prevSW = sw; |
| 64 | if (sw != null) { |
| 65 | sw.execute(); |
| 66 | } |
| 67 | } |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | public synchronized void dispose() { |
| 72 | if(worker != null) |
| 73 | worker.stopWorker(); |
| 74 | |
| 75 | // Subclasses will override to clean up |
| 76 | } |
| 77 | |
| 78 | protected VMPanel getVMPanel() { |
| 79 | return vmPanel; |
| 80 | } |
| 81 | |
| 82 | OverviewPanel[] getOverviewPanels() { |
| 83 | return null; |
| 84 | } |
| 85 | |
| 86 | public synchronized void workerAdd(Runnable job) { |
| 87 | if (worker == null) { |
| 88 | worker = new Worker(name+"-"+vmPanel.getConnectionName()); |
| 89 | worker.start(); |
| 90 | } |
| 91 | worker.add(job); |
| 92 | } |
| 93 | |
| 94 | public Dimension getPreferredSize() { |
| 95 | return new Dimension(700, 500); |
| 96 | } |
| 97 | } |