diff options
Diffstat (limited to 'lttng/org.eclipse.linuxtools.lttng2.control.ui/src/org/eclipse/linuxtools/internal/lttng2/control/ui/views/handlers/ChangeSessionStateHandler.java')
| -rw-r--r-- | lttng/org.eclipse.linuxtools.lttng2.control.ui/src/org/eclipse/linuxtools/internal/lttng2/control/ui/views/handlers/ChangeSessionStateHandler.java | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/lttng/org.eclipse.linuxtools.lttng2.control.ui/src/org/eclipse/linuxtools/internal/lttng2/control/ui/views/handlers/ChangeSessionStateHandler.java b/lttng/org.eclipse.linuxtools.lttng2.control.ui/src/org/eclipse/linuxtools/internal/lttng2/control/ui/views/handlers/ChangeSessionStateHandler.java deleted file mode 100644 index eb43ece9aa..0000000000 --- a/lttng/org.eclipse.linuxtools.lttng2.control.ui/src/org/eclipse/linuxtools/internal/lttng2/control/ui/views/handlers/ChangeSessionStateHandler.java +++ /dev/null @@ -1,157 +0,0 @@ -/********************************************************************** - * Copyright (c) 2012, 2014 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 - **********************************************************************/ -package org.eclipse.linuxtools.internal.lttng2.control.ui.views.handlers; - -import java.util.ArrayList; -import java.util.Iterator; -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.viewers.ISelection; -import org.eclipse.jface.viewers.StructuredSelection; -import org.eclipse.linuxtools.internal.lttng2.control.core.model.TraceSessionState; -import org.eclipse.linuxtools.internal.lttng2.control.ui.Activator; -import org.eclipse.linuxtools.internal.lttng2.control.ui.views.ControlView; -import org.eclipse.linuxtools.internal.lttng2.control.ui.views.messages.Messages; -import org.eclipse.linuxtools.internal.lttng2.control.ui.views.model.impl.TraceSessionComponent; -import org.eclipse.ui.IWorkbenchPage; -import org.eclipse.ui.IWorkbenchWindow; -import org.eclipse.ui.PlatformUI; - -/** - * <p> - * Abstract command handler implementation to start or stop one or more trace sessions. - * </p> - * - * @author Bernd Hufmann - */ -public abstract class ChangeSessionStateHandler extends BaseControlViewHandler { - - // ------------------------------------------------------------------------ - // Attributes - // ------------------------------------------------------------------------ - /** - * The list of session components the command is to be executed on. - */ - protected List<TraceSessionComponent> fSessions = new ArrayList<>(); - - // ------------------------------------------------------------------------ - // Accessors - // ------------------------------------------------------------------------ - - /** - * @return new required state. - */ - public abstract TraceSessionState getNewState(); - - // ------------------------------------------------------------------------ - // Operations - // ------------------------------------------------------------------------ - - /** - * Performs the state change on given session. - * - * @param session - * - a session which state is to be changed - * @param monitor - * - a progress monitor - * @throws ExecutionException - * If the command fails - */ - public abstract void changeState(TraceSessionComponent session, IProgressMonitor monitor) throws ExecutionException; - - @Override - public Object execute(ExecutionEvent event) throws ExecutionException { - - IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); - - if (window == null) { - return false; - } - - fLock.lock(); - try { - - final List<TraceSessionComponent> sessions = new ArrayList<>(); - sessions.addAll(fSessions); - - Job job = new Job(Messages.TraceControl_ChangeSessionStateJob) { - @Override - protected IStatus run(IProgressMonitor monitor) { - try { - for (Iterator<TraceSessionComponent> iterator = sessions.iterator(); iterator.hasNext();) { - - // Start all selected sessions - TraceSessionComponent session = iterator.next(); - changeState(session, monitor); - - // Set Session state - session.setSessionState(getNewState()); - session.fireComponentChanged(session); - } - } catch (ExecutionException e) { - return new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.TraceControl_ChangeSessionStateFailure, e); - } - return Status.OK_STATUS; - } - }; - job.setUser(true); - job.schedule(); - } finally { - fLock.unlock(); - } - return null; - } - - @Override - public boolean isEnabled() { - // Get workbench page for the Control View - IWorkbenchPage page = getWorkbenchPage(); - if (page == null) { - return false; - } - - List<TraceSessionComponent> sessions = new ArrayList<>(0); - - // Check if one or more session are 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 TraceSessionComponents that are inactive and not destroyed - TraceSessionComponent session = (TraceSessionComponent) element; - if ((session.getSessionState() != getNewState()) && (!session.isDestroyed())) { - sessions.add(session); - } - } - } - } - boolean isEnabled = !sessions.isEmpty(); - fLock.lock(); - try { - fSessions = null; - if (isEnabled) { - fSessions = sessions; - } - } finally { - fLock.unlock(); - } - return isEnabled; - } -} |