1 /**********************************************************************
2 * Copyright (c) 2012 Ericsson
4 * All rights reserved. This program and the accompanying materials are
5 * made available under the terms of the Eclipse Public License v1.0 which
6 * accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * Bernd Hufmann - Initial API and implementation
11 **********************************************************************/
12 package org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.handlers
;
14 import java
.util
.Iterator
;
16 import org
.eclipse
.core
.commands
.ExecutionEvent
;
17 import org
.eclipse
.core
.commands
.ExecutionException
;
18 import org
.eclipse
.core
.runtime
.IProgressMonitor
;
19 import org
.eclipse
.core
.runtime
.IStatus
;
20 import org
.eclipse
.core
.runtime
.Status
;
21 import org
.eclipse
.core
.runtime
.jobs
.Job
;
22 import org
.eclipse
.jface
.viewers
.ISelection
;
23 import org
.eclipse
.jface
.viewers
.StructuredSelection
;
24 import org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.Activator
;
25 import org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.ControlView
;
26 import org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.Messages
;
27 import org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.model
.impl
.TraceDomainComponent
;
28 import org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.model
.impl
.TraceSessionComponent
;
29 import org
.eclipse
.ui
.IWorkbenchPage
;
30 import org
.eclipse
.ui
.IWorkbenchWindow
;
31 import org
.eclipse
.ui
.PlatformUI
;
34 * <b><u>CalibrateHandler</u></b>
36 * Command handler implementation to execute command calibrate to quantify LTTng overhead.
39 public class CalibrateHandler
extends BaseControlViewHandler
{
41 // ------------------------------------------------------------------------
43 // ------------------------------------------------------------------------
45 * The command execution parameter.
47 protected DomainCommandParameter fParam
= null;
49 // ------------------------------------------------------------------------
51 // ------------------------------------------------------------------------
55 * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
58 public Object
execute(ExecutionEvent event
) throws ExecutionException
{
60 final IWorkbenchWindow window
= PlatformUI
.getWorkbench().getActiveWorkbenchWindow();
67 // Make a copy for thread safety
68 final DomainCommandParameter param
= fParam
.clone();
70 Job addJob
= new Job(Messages
.TraceControl_AddCalibrateJob
) {
72 protected IStatus
run(IProgressMonitor monitor
) {
74 param
.getDomain().calibrate(monitor
);
75 } catch (ExecutionException e
) {
76 return new Status(Status
.ERROR
, Activator
.PLUGIN_ID
, Messages
.TraceControl_AddCalibrateFailure
, e
);
79 return Status
.OK_STATUS
;
88 return Status
.OK_STATUS
;
93 * @see org.eclipse.core.commands.AbstractHandler#isEnabled()
96 public boolean isEnabled() {
98 // Get workbench page for the Control View
99 IWorkbenchPage page
= getWorkbenchPage();
104 TraceDomainComponent domain
= null;
105 TraceSessionComponent session
= null;
107 // Check if one domain is selected
108 ISelection selection
= page
.getSelection(ControlView
.ID
);
109 if (selection
instanceof StructuredSelection
) {
110 StructuredSelection structered
= ((StructuredSelection
) selection
);
111 for (Iterator
<?
> iterator
= structered
.iterator(); iterator
.hasNext();) {
112 Object element
= (Object
) iterator
.next();
113 if (element
instanceof TraceDomainComponent
) {
114 TraceDomainComponent tmpDomain
= (TraceDomainComponent
) element
;
115 session
= (TraceSessionComponent
) tmpDomain
.getParent();
117 // Add only TraceDomainComponent whose TraceSessionComponent parent is not destroyed
118 if ((!session
.isDestroyed())) {
125 boolean isEnabled
= domain
!= null;
131 fParam
= new DomainCommandParameter(session
, domain
);