LocalDBOpener.java

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package edu.rice.cs.hpc.traceviewer.db.local;

import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchWindow;

import edu.rice.cs.hpc.data.experiment.InvalExperimentException;
import edu.rice.cs.hpc.traceviewer.db.AbstractDBOpener;
import edu.rice.cs.hpc.traceviewer.spaceTimeData.SpaceTimeDataController;

/*******************************************************************
 * 
 * Class to open a local database
 * 
 * @author Philip Taffet
 * 
 *******************************************************************/
public class LocalDBOpener extends AbstractDBOpener {

    final private String directory;
    
    /*******
     * prepare opening a database 
     * 
     * @param directory : the directory of the database
     */
    public LocalDBOpener(String directory)
    {
        this.directory = directory;
    }
    
    
    @Override
    /*
     * (non-Javadoc)
     * @see edu.rice.cs.hpc.traceviewer.db.AbstractDBOpener#openDBAndCreateSTDC
     * (org.eclipse.ui.IWorkbenchWindow, org.eclipse.jface.action.IStatusLineManager)
     */
    public SpaceTimeDataController openDBAndCreateSTDC(IWorkbenchWindow window,
            final IStatusLineManager statusMgr) throws InvalExperimentException, Exception {
        
        final Shell shell = window.getShell();
        
        // Laks 2014.03.10: needs to comment the call to removeInstance
        // this call causes the data to be deleted but the GC+Color instances still exist
        // the allocated GC+Color can be disposed later in SpaceTimeDataController class
        
        //  TraceDatabase.removeInstance(window);

        // ---------------------------------------------------------------------
        // Try to open the database and refresh the data
        // ---------------------------------------------------------------------
        
        
        statusMgr.setMessage("Opening trace data...");
        shell.update();

        // ---------------------------------------------------------------------
        // dispose resources if the data has been allocated
        // unfortunately, some colors are allocated from window handle,
        // some are allocated dynamically. At the moment we can't dispose
        // all colors
        // ---------------------------------------------------------------------
        // if (database.dataTraces != null)
        // database.dataTraces.dispose();

        // database.dataTraces = new SpaceTimeData(window, location.fileXML,
        // location.fileTrace, statusMgr);
        
        SpaceTimeDataControllerLocal stdc = new SpaceTimeDataControllerLocal(
                window, directory);
        
        if (stdc.setupTrace(window, statusMgr)) {
            return stdc;
        }
        return null;
    }


    @Override
    public void end() {
        // TODO Auto-generated method stub
        
    }   
}