import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory; //导入依赖的package包/类
private IObservable observe(Object dataContext, String path) {
	if (dataContext instanceof IObservableValue) {
		IObservableValue observableValue = (IObservableValue) dataContext;
		IObservableFactory factory = target -> {
			return observe(target, path);
		};
		@SuppressWarnings("restriction")
		IObservableValue detailValue = new DetailObservableValue(observableValue, factory, null) {

			@Override
			public Object getValueType() {
				try {
					IObservableValue innerObservableValue = (IObservableValue) innerObservableValueField.get(this);

					if (innerObservableValue != null) {
						return innerObservableValue.getValueType();
					}
				} catch (IllegalArgumentException | IllegalAccessException e) {
					e.printStackTrace();
				}

				return super.getValueType();
			}
		};
		return detailValue;
	}

	IObservable ret = null;
	String[] paths = path.split(".");

	return ret == null ? observeProperty(dataContext, path) : ret;
}
 

import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory; //导入依赖的package包/类
/**
    * Gets the observable list factory.
    * 
    * @return the observable list factory
    */
   private static IObservableFactory getObservableListFactory() {
return new IObservableFactory() {
    public IObservable createObservable(Object parent) {
	if (parent instanceof IParentNode) {
	    return ((IParentNode) parent).getObservableChildren();
	}
	return null;
    }
};
   }
 

import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory; //导入依赖的package包/类
@Override
public void createPart ( final Composite parent )
{
    super.createPart ( parent );

    this.viewer = new TreeViewer ( parent );

    final IObservableFactory factory = new IObservableFactory () {

        @Override
        public IObservable createObservable ( final Object target )
        {
            if ( target instanceof IObservable )
            {
                return (IObservable)target;
            }
            else if ( target instanceof GroupEntry )
            {
                return ( (GroupEntry)target ).getEntries ();
            }

            return null;
        }
    };
    final ObservableSetTreeContentProvider contentProvider = new ObservableSetTreeContentProvider ( factory, null );
    this.viewer.setContentProvider ( contentProvider );

    final TableLayout tableLayout = new TableLayout ();

    this.col1 = new TreeViewerColumn ( this.viewer, SWT.NONE );
    this.col1.getColumn ().setText ( Messages.FlagsDetailsPart_ColFlagLabel );
    tableLayout.addColumnData ( new ColumnWeightData ( 100 ) );
    this.col1.setLabelProvider ( new ColumnLabelLabelProvider ( contentProvider.getRealizedElements () ) );

    this.col2 = new TreeViewerColumn ( this.viewer, SWT.NONE );
    this.col2.getColumn ().setText ( Messages.FlagsDetailsPart_ColStateLabel );
    tableLayout.addColumnData ( new ColumnWeightData ( 100 ) );
    this.col2.setLabelProvider ( new ColumnLabelStateProvider ( contentProvider.getRealizedElements () ) );

    this.viewer.getTree ().setHeaderVisible ( true );
    this.viewer.getTree ().setLayout ( tableLayout );

    this.viewer.setUseHashlookup ( true );

    this.viewer.setInput ( this.groupSet );

    this.groupSet.add ( new GroupEntry ( "error", Messages.FlagsDetailsPart_GroupErrorLabel ) ); //$NON-NLS-1$
    this.groupSet.add ( new GroupEntry ( "alarm", Messages.FlagsDetailsPart_GroupAlarmLabel ) ); //$NON-NLS-1$
    this.groupSet.add ( new GroupEntry ( "warning", Messages.FlagsDetailsPart_GroupWarningLabel ) ); //$NON-NLS-1$
    this.groupSet.add ( new GroupEntry ( "blocked", Messages.FlagsDetailsPart_GroupBlockingLabel ) ); //$NON-NLS-1$
    this.groupSet.add ( new GroupEntry ( "ackRequired", Messages.FlagsDetailsPart_GroupAknLabel ) ); //$NON-NLS-1$
    this.groupSet.add ( new GroupEntry ( "manual", Messages.FlagsDetailsPart_ManualLabel ) ); //$NON-NLS-1$
}
 

import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory; //导入依赖的package包/类
protected void createDataModel ( final TreeViewer viewer )
{
    final DataBindingContext dbc = new DataBindingContext ();

    final IObservableFactory listFactory = new IObservableFactory () {

        @Override
        public IObservable createObservable ( final Object target )
        {
            if ( target instanceof IObservableList )
            {
                return (IObservableList)target;
            }

            else if ( target instanceof World )
            {
                return EMFObservables.observeList ( (EObject)target, InfrastructurePackage.Literals.WORLD__NODES );
            }
            else if ( target instanceof SystemNode )
            {
                return EMFObservables.observeList ( (EObject)target, InfrastructurePackage.Literals.SYSTEM_NODE__DRIVERS );
            }

            return null;
        }
    };

    final AdapterFactory adapterFactory = new InfrastructureItemProviderAdapterFactory ();
    final AdapterFactoryLabelProvider labelProvider = new AdapterFactoryLabelProvider ( adapterFactory );

    final ObservableListTreeContentProvider cp = new ObservableListTreeContentProvider ( listFactory, null );
    viewer.setContentProvider ( cp );
    viewer.setLabelProvider ( labelProvider );
    viewer.setInput ( EMFObservables.observeList ( this.world, InfrastructurePackage.Literals.WORLD__NODES ) );

    dbc.bindValue ( ViewersObservables.observeSingleSelection ( viewer ), this.driverValue );
    this.driverValue.addValueChangeListener ( new IValueChangeListener () {

        @Override
        public void handleValueChange ( final ValueChangeEvent event )
        {
            update ();
        }
    } );

    viewer.getControl ().addDisposeListener ( new DisposeListener () {

        @Override
        public void widgetDisposed ( final DisposeEvent e )
        {
            dbc.dispose ();
        }
    } );
}
 

import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory; //导入依赖的package包/类
public BTSConfigurationTreeContentProvider(IObservableFactory listFactory, TreeStructureAdvisor structureAdvisor)
{
	super(listFactory, structureAdvisor);
	// TODO Auto-generated constructor stub
}