| /********************************************************************** |
| * Copyright (c) 2012, 2015 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Bernd Hufmann - Initial API and implementation |
| **********************************************************************/ |
| package org.eclipse.tracecompass.internal.lttng2.control.ui.views.handlers; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.tracecompass.internal.lttng2.control.core.model.TraceDomainType; |
| import org.eclipse.tracecompass.internal.lttng2.control.core.model.IChannelInfo; |
| import org.eclipse.tracecompass.internal.lttng2.control.ui.Activator; |
| import org.eclipse.tracecompass.internal.lttng2.control.ui.views.dialogs.IEnableChannelDialog; |
| import org.eclipse.tracecompass.internal.lttng2.control.ui.views.dialogs.TraceControlDialogFactory; |
| import org.eclipse.tracecompass.internal.lttng2.control.ui.views.messages.Messages; |
| import org.eclipse.tracecompass.internal.lttng2.control.ui.views.model.impl.TraceDomainComponent; |
| |
| /** |
| * <p> |
| * Base implementation of a command handler to enable a trace channel. |
| * </p> |
| * |
| * @author Bernd Hufmann |
| */ |
| abstract class BaseEnableChannelHandler extends BaseControlViewHandler { |
| |
| // ------------------------------------------------------------------------ |
| // Attributes |
| // ------------------------------------------------------------------------ |
| protected CommandParameter fParam; |
| |
| // ------------------------------------------------------------------------ |
| // Operations |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Enables channels with given names which are part of this domain. If a |
| * given channel doesn't exists it creates a new channel with the given |
| * parameters (or default values if given parameter is null). |
| * |
| * @param param |
| * - a parameter instance with data for the command execution |
| * @param channelNames |
| * - a list of channel names to enable on this domain |
| * @param info |
| * - channel information to set for the channel (use null for |
| * default) |
| * @param domain |
| * - indicate the domain type ({@link TraceDomainType}) |
| * @param monitor |
| * - a progress monitor |
| * @throws ExecutionException |
| * If something goes wrong when enabling the channel |
| */ |
| public abstract void enableChannel(CommandParameter param, |
| List<String> channelNames, IChannelInfo info, TraceDomainType domain, |
| IProgressMonitor monitor) throws ExecutionException; |
| |
| /** |
| * @param param - a parameter instance with data for the command execution |
| * @return returns the relevant domain (null if domain is not known) |
| */ |
| public abstract TraceDomainComponent getDomain(CommandParameter param); |
| |
| @Override |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| CommandParameter tmpParam = null; |
| |
| fLock.lock(); |
| try { |
| tmpParam = fParam; |
| if (tmpParam == null) { |
| return null; |
| } |
| tmpParam = tmpParam.clone(); |
| } finally { |
| fLock.unlock(); |
| } |
| final CommandParameter param = tmpParam; |
| |
| final IEnableChannelDialog dialog = TraceControlDialogFactory.getInstance().getEnableChannelDialog(); |
| dialog.setTargetNodeComponent(param.getSession().getTargetNode()); |
| dialog.setDomainComponent(getDomain(param)); |
| dialog.setHasKernel(param.getSession().hasKernelProvider()); |
| |
| if (dialog.open() != Window.OK) { |
| return null; |
| } |
| |
| Job job = new Job(Messages.TraceControl_CreateChannelStateJob) { |
| @Override |
| protected IStatus run(IProgressMonitor monitor) { |
| Exception error = null; |
| |
| List<String> channelNames = new ArrayList<>(); |
| channelNames.add(dialog.getChannelInfo().getName()); |
| |
| try { |
| enableChannel(param, channelNames, dialog.getChannelInfo(), dialog.getDomain(), monitor); |
| } catch (ExecutionException e) { |
| error = e; |
| } |
| |
| // refresh in all cases |
| refresh(param); |
| |
| if (error != null) { |
| return new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.TraceControl_CreateChannelStateFailure, error); |
| } |
| return Status.OK_STATUS; |
| } |
| }; |
| job.setUser(true); |
| job.schedule(); |
| |
| return null; |
| } |
| |
| } |