EDIT

import javax.inject.Named;

import org.eclipse.e4.core.di.annotations.Execute;

import org.eclipse.e4.ui.model.application.ui.basic.MPart;

import org.eclipse.e4.ui.services.IServiceConstants;

import org.eclipse.e4.ui.workbench.modeling.EPartService;

 */

public abstract class AbstractDataSourceHandlerE4 {

	@Execute

    public void execute(EPartService partService,

            @Named(IServiceConstants.ACTIVE_SHELL)Shell shell,

		MPart dataSourceView = partService.showPart(

                "eu.etaxonomy.taxeditor.view.datasource",

import org.eclipse.e4.ui.services.IServiceConstants;

import org.eclipse.jface.dialogs.MessageDialog;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.ui.progress.IProgressConstants;

    /** {@inheritDoc} */

    @Override

        if(! MessageDialog.open(MessageDialog.CONFIRM, shell, "Update Datasource", "WARNING!\n\n" +

                "This will change your data base structure! Be sure you have an up-to-date backup of your data before running the update! \n\n " +

                "Are you sure you want to update the datasource?", SWT.NONE)){

                        SchemaUpdateResult result = updater.updateToCurrentVersion(

                                (ICdmDataSource)cdmSource, CdmProgressMonitorAdapter.CreateMonitor(monitor));

                        if(result.isSuccess()){

                                    if(dataSourceViewPart!= null){

                                        container.getMetaDataFromDataSource();

                                        dataSourceViewPart.getViewer().update(new CdmMetaDataAwareDataSourceContainer[]{container}, null);

                                    }

                                }

                            status = Status.OK_STATUS;

                        }else{

                            throw new RuntimeException("An error occurred during the update.");

        job.setProperty(IProgressConstants.KEEP_PROPERTY, true);

        job.schedule();

    }