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Viewing changes to lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/internal/lttng/ui/tracecontrol/actions/PauseTrace.java

  • Committer: Package Import Robot
  • Author(s): Jakub Adam
  • Date: 2012-06-29 12:07:30 UTC
  • Revision ID: package-import@ubuntu.com-20120629120730-bfri1xys1i71dpn6
Tags: upstream-1.0.0
Import upstream version 1.0.0

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lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/internal/lttng/ui/tracecontrol/actions/PauseTrace.java
 
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/*******************************************************************************
 
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 * Copyright (c) 2011 Ericsson
 
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 * 
 
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 * All rights reserved. This program and the accompanying materials are
 
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 * made available under the terms of the Eclipse Public License v1.0 which
 
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 * accompanies this distribution, and is available at
 
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 * http://www.eclipse.org/legal/epl-v10.html
 
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 * 
 
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 * Contributors:
 
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 *   Polytechnique Montréal - Initial API and implementation
 
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 *   Bernd Hufmann - Productification, enhancements and fixes
 
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 *   
 
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 *******************************************************************************/
 
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package org.eclipse.linuxtools.internal.lttng.ui.tracecontrol.actions;
 
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import java.util.ArrayList;
 
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import java.util.Iterator;
 
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import java.util.List;
 
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import java.util.concurrent.TimeUnit;
 
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import org.eclipse.jface.action.IAction;
 
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import org.eclipse.jface.viewers.ISelection;
 
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import org.eclipse.jface.viewers.IStructuredSelection;
 
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import org.eclipse.linuxtools.internal.lttng.core.tracecontrol.model.TraceResource;
 
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import org.eclipse.linuxtools.internal.lttng.core.tracecontrol.model.TraceResource.TraceState;
 
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import org.eclipse.linuxtools.internal.lttng.core.tracecontrol.service.ILttControllerService;
 
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import org.eclipse.linuxtools.internal.lttng.ui.Activator;
 
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import org.eclipse.linuxtools.internal.lttng.ui.tracecontrol.Messages;
 
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import org.eclipse.linuxtools.internal.lttng.ui.tracecontrol.TraceControlConstants;
 
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import org.eclipse.linuxtools.internal.lttng.ui.tracecontrol.subsystems.TraceSubSystem;
 
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import org.eclipse.rse.core.events.ISystemRemoteChangeEvents;
 
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import org.eclipse.rse.core.model.ISystemRegistry;
 
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import org.eclipse.rse.core.model.SystemStartHere;
 
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import org.eclipse.rse.services.clientserver.messages.SystemMessageException;
 
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import org.eclipse.rse.ui.SystemBasePlugin;
 
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import org.eclipse.swt.widgets.Shell;
 
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import org.eclipse.tcf.protocol.IToken;
 
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import org.eclipse.tcf.util.TCFTask;
 
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import org.eclipse.ui.IObjectActionDelegate;
 
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import org.eclipse.ui.IViewActionDelegate;
 
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import org.eclipse.ui.IViewPart;
 
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import org.eclipse.ui.IWorkbenchPart;
 
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import org.eclipse.ui.IWorkbenchWindow;
 
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import org.eclipse.ui.IWorkbenchWindowActionDelegate;
 
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/**
 
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 * <b><u>PauseTrace</u></b>
 
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 * <p>
 
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 * Action implementation to pause a trace.
 
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 * </p>
 
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 */
 
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public class PauseTrace implements IObjectActionDelegate, IWorkbenchWindowActionDelegate, IViewActionDelegate {
 
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    // ------------------------------------------------------------------------
 
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    // Attributes
 
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    // ------------------------------------------------------------------------
 
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    private List<TraceResource> fSelectedTraces;
 
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    // ------------------------------------------------------------------------
 
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    // Constructors
 
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    // ------------------------------------------------------------------------
 
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    public PauseTrace() {
 
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        fSelectedTraces = new ArrayList<TraceResource>();
 
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    }
 
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    // ------------------------------------------------------------------------
 
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    // Operations
 
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    // ------------------------------------------------------------------------
 
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    /*
 
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     * (non-Javadoc)
 
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     * @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart)
 
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     */
 
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    @Override
 
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    public void setActivePart(IAction arg0, IWorkbenchPart arg1) {
 
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    }
 
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    /*
 
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     * (non-Javadoc)
 
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     * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
 
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     */
 
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    @Override
 
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    public void run(IAction arg0) {
 
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        for (int i = 0; i < fSelectedTraces.size(); i++) {
 
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            final TraceResource trace = (TraceResource) fSelectedTraces.get(i);
 
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            TraceSubSystem subSystem = (TraceSubSystem)trace.getSubSystem();
 
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            try {
 
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                final ILttControllerService service = subSystem.getControllerService();
 
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                // Create future task
 
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                @SuppressWarnings("unused")
 
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                Boolean success = new TCFTask<Boolean>() {
 
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                    @Override
 
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                    public void run() {
 
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                        // Setup trace  using Lttng controller service proxy
 
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                        service.pauseTrace(trace.getParent().getParent().getName(), trace.getParent().getName(), trace.getName(), new ILttControllerService.DonePauseTrace() {
 
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                            @Override
 
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                            public void donePauseTrace(IToken token, Exception error, Object str) {
 
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                                if (error != null) {
 
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                                    // Notify with error
 
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                                    error(error);
 
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                                    return;
 
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                                }
 
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                                // Notify about success
 
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                                done(Boolean.valueOf(true));
 
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                            }
 
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                        });
 
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                    }}.get(TraceControlConstants.DEFAULT_TCF_TASK_TIMEOUT, TimeUnit.SECONDS);
 
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                    trace.setTraceState(TraceState.PAUSED);
 
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                    ISystemRegistry registry = SystemStartHere.getSystemRegistry();
 
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                    registry.fireRemoteResourceChangeEvent(ISystemRemoteChangeEvents.SYSTEM_REMOTE_RESOURCE_CHANGED, trace, trace.getParent(), subSystem, null);
 
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            } catch (Exception e) {
 
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                SystemMessageException sysExp;
 
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                if (e instanceof SystemMessageException) {
 
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                    sysExp = (SystemMessageException)e;
 
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                } else {
 
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                    sysExp = new SystemMessageException(Activator.getDefault().getMessage(e));    
 
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                }
 
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                SystemBasePlugin.logError(Messages.Lttng_Control_ErrorPause + " (" +  //$NON-NLS-1$
 
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                        Messages.Lttng_Resource_Trace + ": "  + trace.getName() + ")", sysExp); //$NON-NLS-1$ //$NON-NLS-2$
 
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            }
 
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        }
 
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    }
 
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    /*
 
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     * (non-Javadoc)
 
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     * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
 
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     */
 
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    @SuppressWarnings("unchecked")
 
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    @Override
 
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    public void selectionChanged(IAction action, ISelection selection) {
 
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        if (selection instanceof IStructuredSelection) {
 
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            fSelectedTraces.clear();
 
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            // store the selected targets to be used when running
 
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            Iterator<IStructuredSelection> theSet = ((IStructuredSelection) selection).iterator();
 
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            while (theSet.hasNext()) {
 
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                Object obj = theSet.next();
 
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                if (obj instanceof TraceResource) {
 
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                    fSelectedTraces.add((TraceResource)obj);
 
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                }
 
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            }
 
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        }
 
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    }
 
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    /**
 
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     * Set selected traces
 
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     * @param traces
 
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     */
 
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    public void setSelectedTraces(List<TraceResource> traces) {
 
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        fSelectedTraces = traces; 
 
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    }
 
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    /**
 
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     * Returns the active workbench shell of this plug-in.
 
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     * 
 
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     * @return active workbench shell.
 
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     */
 
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    protected Shell getShell() {
 
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        return SystemBasePlugin.getActiveWorkbenchShell();
 
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    }
 
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    /*
 
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     * (non-Javadoc)
 
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     * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
 
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     */
 
176
    @Override
 
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    public void init(IWorkbenchWindow window) {
 
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    }
 
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    /*
 
181
     * (non-Javadoc)
 
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     * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
 
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     */
 
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    @Override
 
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    public void dispose() {
 
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    }
 
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    /*
 
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     * (non-Javadoc)
 
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     * @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart)
 
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     */
 
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    @Override
 
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    public void init(IViewPart view) {
 
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    }
 
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}