/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.visualvm.application.views.threads;
import com.sun.tools.visualvm.application.Application;
import com.sun.tools.visualvm.application.snapshot.ApplicationSnapshot;
import com.sun.tools.visualvm.core.datasupport.Stateful;
import com.sun.tools.visualvm.core.snapshot.Snapshot;
import com.sun.tools.visualvm.core.ui.DataSourceView;
import com.sun.tools.visualvm.core.ui.PluggableDataSourceViewProvider;
import com.sun.tools.visualvm.tools.jmx.JmxModel;
import com.sun.tools.visualvm.tools.jmx.JmxModelFactory;
import com.sun.tools.visualvm.tools.jmx.JvmMXBeans;
import com.sun.tools.visualvm.tools.jmx.JvmMXBeansFactory;
import java.lang.management.ThreadMXBean;
import java.util.Set;
/**
*
* @author Jiri Sedlacek
*/
public class ApplicationThreadsViewProvider extends PluggableDataSourceViewProvider<Application> {
protected boolean supportsViewFor(Application application) {
if (application.getState() != Stateful.STATE_AVAILABLE) return false;
return resolveThreads(application) != null;
}
protected DataSourceView createView(Application application) {
return new ApplicationThreadsView(application);
}
public Set<Integer> getPluggableLocations(DataSourceView view) {
return ALL_LOCATIONS;
}
protected boolean supportsSaveViewFor(Application application, Class<? extends Snapshot> snapshotClass) {
return ApplicationSnapshot.class.isAssignableFrom(snapshotClass);
}
protected void saveView(Application application, Snapshot snapshot) {
VisualVMThreadsDataManager tmanager = null;
ApplicationThreadsView view = (ApplicationThreadsView)getCachedView(application);
if (view != null) {
tmanager = view.getDataManager();
} else {
ThreadMXBean tbean = resolveThreads(application);
if (tbean != null) {
tmanager = new ThreadMXBeanDataManager(tbean);
((ThreadMXBeanDataManager)tmanager).refreshThreadsSync();
// try { Thread.sleep(50); } catch (Exception e) {} // Collect some data
// ((ThreadMXBeanDataManager)tmanager).refreshThreadsSync();
}
}
if (tmanager != null) PersistenceSupport.saveDataManager(tmanager, snapshot.getStorage());
}
static ThreadMXBean resolveThreads(Application application) {
JmxModel jmxModel = JmxModelFactory.getJmxModelFor(application);
if (jmxModel != null && jmxModel.getConnectionState() == JmxModel.ConnectionState.CONNECTED) {
if (jmxModel.isTakeThreadDumpSupported()) {
JvmMXBeans mxbeans = JvmMXBeansFactory.getJvmMXBeans(jmxModel);
return mxbeans == null ? null : mxbeans.getThreadMXBean();
}
}
return null;
}
}