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/**********************************************************************
* Copyright (c) 2012, 2013 Ericsson
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Bernd Hufmann - Initial API and implementation
* Bernd Hufmann - Updated for support of LTTng Tools 2.1
**********************************************************************/
package org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.linuxtools.internal.lttng2.core.control.model.LogLevelType;
import org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceLogLevel;
import org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceSessionState;
import org.eclipse.linuxtools.internal.lttng2.ui.views.control.ControlView;
import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceDomainComponent;
import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceSessionComponent;
import org.eclipse.ui.IWorkbenchPage;
/**
* <p>
* Command handler implementation to enable events for a known session and default channel 'channel0'
* (which will be created if doesn't exist).
* </p>
*
* @author Bernd Hufmann
*/
public class EnableEventOnSessionHandler extends BaseEnableEventHandler {
// ------------------------------------------------------------------------
// Attributes
// ------------------------------------------------------------------------
//-------------------------------------------------------------------------
// Operations
// ------------------------------------------------------------------------
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseEnableEventHandler#enableEvents(org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.CommandParameter, java.util.List, boolean, java.lang.String, org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void enableEvents(CommandParameter param, List<String> eventNames, boolean isKernel, String filterExpression, IProgressMonitor monitor) throws ExecutionException {
param.getSession().enableEvents(eventNames, isKernel, filterExpression, monitor);
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseEnableEventHandler#enableSyscalls(org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.CommandParameter, org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void enableSyscalls(CommandParameter param, IProgressMonitor monitor) throws ExecutionException {
param.getSession().enableSyscalls(monitor);
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseEnableEventHandler#enableProbe(org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.CommandParameter, java.lang.String, boolean, java.lang.String, org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void enableProbe(CommandParameter param, String eventName, boolean isFunction, String probe, IProgressMonitor monitor) throws ExecutionException {
param.getSession().enableProbe(eventName, isFunction, probe, monitor);
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseEnableEventHandler#enableLogLevel(org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.CommandParameter, java.lang.String, org.eclipse.linuxtools.internal.lttng2.core.control.model.LogLevelType, org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceLogLevel, java.lang.String, org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void enableLogLevel(CommandParameter param, String eventName, LogLevelType logLevelType, TraceLogLevel level, String filterExpression, IProgressMonitor monitor) throws ExecutionException {
param.getSession().enableLogLevel(eventName, logLevelType, level, filterExpression, monitor);
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseEnableEventHandler#getDomain(org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.CommandParameter)
*/
@Override
public TraceDomainComponent getDomain(CommandParameter param) {
return null;
}
/*
* (non-Javadoc)
* @see org.eclipse.core.commands.AbstractHandler#isEnabled()
*/
@Override
public boolean isEnabled() {
// Get workbench page for the Control View
IWorkbenchPage page = getWorkbenchPage();
if (page == null) {
return false;
}
TraceSessionComponent session = null;
// Check if one session is selected
ISelection selection = page.getSelection(ControlView.ID);
if (selection instanceof StructuredSelection) {
StructuredSelection structered = ((StructuredSelection) selection);
for (Iterator<?> iterator = structered.iterator(); iterator.hasNext();) {
Object element = iterator.next();
if (element instanceof TraceSessionComponent) {
// Add only if corresponding TraceSessionComponents is inactive and not destroyed
TraceSessionComponent tmpSession = (TraceSessionComponent) element;
if(tmpSession.getSessionState() == TraceSessionState.INACTIVE && !tmpSession.isDestroyed()) {
session = tmpSession;
}
}
}
}
boolean isEnabled = (session != null);
fLock.lock();
try {
fParam = null;
if(isEnabled) {
fParam = new CommandParameter(session);
}
} finally {
fLock.unlock();
}
return isEnabled;
}
}
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