bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/ViewReference.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005, 2006 IBM Corporation and others.
  * 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:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal;

 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.dynamichelpers.IExtensionTracker;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.ui.IKeyBindingService;
 import org.eclipse.ui.IMemento;
 import org.eclipse.ui.IViewPart;
 import org.eclipse.ui.IViewReference;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.IWorkbenchPart2;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.internal.misc.StatusUtil;
 import org.eclipse.ui.internal.misc.UIStats;
 import org.eclipse.ui.internal.registry.ViewDescriptor;
 import org.eclipse.ui.internal.util.Util;
 import org.eclipse.ui.part.IWorkbenchPartOrientation;
 import org.eclipse.ui.views.IViewDescriptor;
 import org.eclipse.ui.views.IViewRegistry;

 class ViewReference extends WorkbenchPartReference implements IViewReference {

 	/**
 	 *
 	 */
 	private final ViewFactory factory;

 	String secondaryId;

 	private IMemento memento;

 	public ViewReference(ViewFactory factory, String id, String secondaryId,
 			IMemento memento) {
 		super();
 		this.memento = memento;
 		this.factory = factory;
 		ViewDescriptor desc = (ViewDescriptor) this.factory.viewReg.find(id);
 		ImageDescriptor iDesc = null;
 		String title = null;
 		if (desc != null) {
 			iDesc = desc.getImageDescriptor();
 			title = desc.getLabel();
 		}

 		String name = null;

 		if (memento != null) {
 			name = memento.getString(IWorkbenchConstants.TAG_PART_NAME);
 		}
 		if (name == null) {
 			name = title;
 		}

 		init(id, title, "", iDesc, name, ""); //$NON-NLS-1$//$NON-NLS-2$
 		this.secondaryId = secondaryId;
 	}

 	protected PartPane createPane() {
 		return new ViewPane(this, this.factory.page);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.ui.internal.WorkbenchPartReference#dispose()
 	 */
 	protected void doDisposePart() {
 		IViewPart view = (IViewPart) part;
 		if (view != null) {
 			// Free action bars, pane, etc.
 			PartSite site = (PartSite) view.getSite();
 			ViewActionBars actionBars = (ViewActionBars) site.getActionBars();
 			actionBars.dispose();

 			// Free the site.
 			site.dispose();
 		}

 		super.doDisposePart();
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.ui.IWorkbenchPartReference#getPage()
 	 */
 	public IWorkbenchPage getPage() {
 		return this.factory.page;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.ui.internal.WorkbenchPartReference#getRegisteredName()
 	 */
 	public String getRegisteredName() {
 		if (part != null && part.getSite() != null) {
 			return part.getSite().getRegisteredName();
 		}

 		IViewRegistry reg = this.factory.viewReg;
 		IViewDescriptor desc = reg.find(getId());
 		if (desc != null) {
 			return desc.getLabel();
 		}
 		return getTitle();
 	}

 	protected String computePartName() {
 		if (part instanceof IWorkbenchPart2) {
 			return super.computePartName();
 		} else {
 			return getRegisteredName();
 		}
 	}

 	protected String computeContentDescription() {
 		if (part instanceof IWorkbenchPart2) {
 			return super.computeContentDescription();
 		} else {
 			String rawTitle = getRawTitle();

 			if (!Util.equals(rawTitle, getRegisteredName())) {
 				return rawTitle;
 			}

 			return ""; //$NON-NLS-1$
 		}
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.ui.IViewReference
 	 */
 	public String getSecondaryId() {
 		return secondaryId;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.ui.IViewReference#getView(boolean)
 	 */
 	public IViewPart getView(boolean restore) {
 		return (IViewPart) getPart(restore);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.ui.IViewReference#isFastView()
 	 */
 	public boolean isFastView() {
 		return this.factory.page.isFastView(this);
 	}

 	/**
 	 * Wrapper for restoring the view. First, this delegates to
 	 * busyRestoreViewHelper to do the real work of restoring the view. If
 	 * unable to restore the view, this method tries to substitute an error part
 	 * and return success.
 	 *
 	 * @param factory
 	 *            TODO
 	 * @return
 	 */
 	protected IWorkbenchPart createPart() {

 		// Check the status of this part

 		IWorkbenchPart result = null;
 		PartInitException exception = null;

 		// Try to restore the view -- this does the real work of restoring the
 		// view
 		//
 		try {
 			result = createPartHelper();
 		} catch (PartInitException e) {
 			exception = e;
 		}

 		// If unable to create the part, create an error part instead
 		if (exception != null) {
 			IStatus partStatus = exception.getStatus();
 			IStatus displayStatus = StatusUtil.newStatus(partStatus, NLS.bind(
 					WorkbenchMessages.ViewFactory_initException, partStatus
 							.getMessage()));

 			IStatus logStatus = StatusUtil
 					.newStatus(
 							partStatus,
 							NLS
 									.bind(
 											"Unable to create view ID {0}: {1}", getId(), partStatus.getMessage())); //$NON-NLS-1$
 			WorkbenchPlugin.log(logStatus);

 			IViewDescriptor desc = factory.viewReg.find(getId());
 			String label = getId();
 			if (desc != null) {
 				label = desc.getLabel();
 			}

 			ErrorViewPart part = new ErrorViewPart(displayStatus);

 			PartPane pane = getPane();
 			ViewSite site = new ViewSite(this, part, factory.page, getId(),
 					PlatformUI.PLUGIN_ID, label);
 			site.setActionBars(new ViewActionBars(factory.page.getActionBars(),
 					site, (ViewPane) pane));
 			try {
 				part.init(site);
 			} catch (PartInitException e) {
 				WorkbenchPlugin.log(e);
 				return null;
 			}
 			part.setPartName(label);

 			Composite parent = (Composite) pane.getControl();
 			Composite content = new Composite(parent, SWT.NONE);
 			content.setLayout(new FillLayout());

 			try {
 				part.createPartControl(content);
 			} catch (Exception e) {
 				content.dispose();
 				WorkbenchPlugin.log(e);
 				return null;
 			}

 			result = part;
 		}

 		return result;
 	}

 	private IWorkbenchPart createPartHelper() throws PartInitException {

 		IWorkbenchPart result = null;

 		IMemento stateMem = null;
 		if (memento != null) {
 			stateMem = memento.getChild(IWorkbenchConstants.TAG_VIEW_STATE);
 		}

 		IViewDescriptor desc = factory.viewReg.find(getId());
 		if (desc == null) {
 			throw new PartInitException(
 					WorkbenchMessages.ViewFactory_couldNotCreate);
 		}

 		// Create the part pane
 		PartPane pane = getPane();

 		// Create the pane's top-level control
 		pane.createControl(factory.page.getClientComposite());

 		String label = desc.getLabel(); // debugging only

 		// Things that will need to be disposed if an exception occurs (they are
 		// listed here
 		// in the order they should be disposed)
 		Composite content = null;
 		IViewPart initializedView = null;
 		ViewSite site = null;
 		ViewActionBars actionBars = null;
 		// End of things that need to be explicitly disposed from the try block

 		try {
 			IViewPart view = null;
 			try {
 				UIStats.start(UIStats.CREATE_PART, label);
 				view = desc.createView();
 			} finally {
 				UIStats.end(UIStats.CREATE_PART, view, label);
 			}

 			// Create site
 			site = new ViewSite(this, view, factory.page, desc);
 			actionBars = new ViewActionBars(factory.page.getActionBars(), site,
 					(ViewPane) pane);
 			site.setActionBars(actionBars);

 			try {
 				UIStats.start(UIStats.INIT_PART, label);
 				view.init(site, stateMem);
 				// Once we've called init, we MUST dispose the view. Remember
 				// the fact that
 				// we've initialized the view in case an exception is thrown.
 				initializedView = view;

 			} finally {
 				UIStats.end(UIStats.INIT_PART, view, label);
 			}

 			if (view.getSite() != site) {
 				throw new PartInitException(
 						WorkbenchMessages.ViewFactory_siteException, null);
 			}
 			int style = SWT.NONE;
 			if (view instanceof IWorkbenchPartOrientation) {
 				style = ((IWorkbenchPartOrientation) view).getOrientation();
 			}

 			// Create the top-level composite
 			{
 				Composite parent = (Composite) pane.getControl();
 				content = new Composite(parent, style);
 				content.setLayout(new FillLayout());

 				try {
 					UIStats.start(UIStats.CREATE_PART_CONTROL, label);
 					view.createPartControl(content);

 					parent.layout(true);
 				} finally {
 					UIStats.end(UIStats.CREATE_PART_CONTROL, view, label);
 				}
 			}

 			// Install the part's tools and menu
 			{
 				ViewActionBuilder builder = new ViewActionBuilder();
 				builder.readActionExtensions(view);
 				ActionDescriptor[] actionDescriptors = builder
 						.getExtendedActions();
 				IKeyBindingService keyBindingService = view.getSite()
 						.getKeyBindingService();

 				if (actionDescriptors != null) {
 					for (int i = 0; i < actionDescriptors.length; i++) {
 						ActionDescriptor actionDescriptor = actionDescriptors[i];

 						if (actionDescriptor != null) {
 							IAction action = actionDescriptors[i].getAction();

 							if (action != null
 									&& action.getActionDefinitionId() != null) {
 								keyBindingService.registerAction(action);
 							}
 						}
 					}
 				}
 				site.getActionBars().updateActionBars();
 			}

 			// The editor should now be fully created. Exercise its public
 			// interface, and sanity-check
 			// it wherever possible. If it's going to throw exceptions or behave
 			// badly, it's much better
 			// that it does so now while we can still cancel creation of the
 			// part.
 			PartTester.testView(view);

 			result = view;

 			IConfigurationElement element = (IConfigurationElement) Util.getAdapter(desc,
 					IConfigurationElement.class);
 			if (element != null) {
 				factory.page.getExtensionTracker().registerObject(
 						element.getDeclaringExtension(), view,
 						IExtensionTracker.REF_WEAK);
 			}
 		} catch (Throwable e) {
 			if ((e instanceof Error) && !(e instanceof LinkageError)) {
 				throw (Error) e;
 			}

 			// An exception occurred. First deallocate anything we've allocated
 			// in the try block (see the top
 			// of the try block for a list of objects that need to be explicitly
 			// disposed)
 			if (content != null) {
 				try {
 					content.dispose();
 				} catch (RuntimeException re) {
 					WorkbenchPlugin.log(re);
 				}
 			}

 			if (initializedView != null) {
 				try {
 					initializedView.dispose();
 				} catch (RuntimeException re) {
 					WorkbenchPlugin.log(re);
 				}
 			}

 			if (site != null) {
 				try {
 					site.dispose();
 				} catch (RuntimeException re) {
 					WorkbenchPlugin.log(re);
 				}
 			}

 			if (actionBars != null) {
 				try {
 					actionBars.dispose();
 				} catch (RuntimeException re) {
 					WorkbenchPlugin.log(re);
 				}
 			}

 			throw new PartInitException(WorkbenchPlugin.getStatus(e));
 		}

 		return result;
 	}

 	/**
 	 * The memento is that last view state saved by the workbench.
 	 *
 	 * @return the last state that was saved by the workbench. It can return
 	 *         <code>null</code>.
 	 * @since 3.1.1
 	 */
 	public IMemento getMemento() {
 		return memento;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2005, 2006 IBM Corporation and others.
	* 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:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.ui.internal;

	import org.eclipse.core.runtime.IConfigurationElement;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.dynamichelpers.IExtensionTracker;
	import org.eclipse.jface.action.IAction;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.layout.FillLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.ui.IKeyBindingService;
	import org.eclipse.ui.IMemento;
	import org.eclipse.ui.IViewPart;
	import org.eclipse.ui.IViewReference;
	import org.eclipse.ui.IWorkbenchPage;
	import org.eclipse.ui.IWorkbenchPart;
	import org.eclipse.ui.IWorkbenchPart2;
	import org.eclipse.ui.PartInitException;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.internal.misc.StatusUtil;
	import org.eclipse.ui.internal.misc.UIStats;
	import org.eclipse.ui.internal.registry.ViewDescriptor;
	import org.eclipse.ui.internal.util.Util;
	import org.eclipse.ui.part.IWorkbenchPartOrientation;
	import org.eclipse.ui.views.IViewDescriptor;
	import org.eclipse.ui.views.IViewRegistry;

	class ViewReference extends WorkbenchPartReference implements IViewReference {

	/**
	*
	*/
	private final ViewFactory factory;

	String secondaryId;

	private IMemento memento;

	public ViewReference(ViewFactory factory, String id, String secondaryId,
	IMemento memento) {
	super();
	this.memento = memento;
	this.factory = factory;
	ViewDescriptor desc = (ViewDescriptor) this.factory.viewReg.find(id);
	ImageDescriptor iDesc = null;
	String title = null;
	if (desc != null) {
	iDesc = desc.getImageDescriptor();
	title = desc.getLabel();
	}

	String name = null;

	if (memento != null) {
	name = memento.getString(IWorkbenchConstants.TAG_PART_NAME);
	}
	if (name == null) {
	name = title;
	}

	init(id, title, "", iDesc, name, ""); //$NON-NLS-1$//$NON-NLS-2$
	this.secondaryId = secondaryId;
	}

	protected PartPane createPane() {
	return new ViewPane(this, this.factory.page);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.internal.WorkbenchPartReference#dispose()
	*/
	protected void doDisposePart() {
	IViewPart view = (IViewPart) part;
	if (view != null) {
	// Free action bars, pane, etc.
	PartSite site = (PartSite) view.getSite();
	ViewActionBars actionBars = (ViewActionBars) site.getActionBars();
	actionBars.dispose();

	// Free the site.
	site.dispose();
	}

	super.doDisposePart();
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.IWorkbenchPartReference#getPage()
	*/
	public IWorkbenchPage getPage() {
	return this.factory.page;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.internal.WorkbenchPartReference#getRegisteredName()
	*/
	public String getRegisteredName() {
	if (part != null && part.getSite() != null) {
	return part.getSite().getRegisteredName();
	}

	IViewRegistry reg = this.factory.viewReg;
	IViewDescriptor desc = reg.find(getId());
	if (desc != null) {
	return desc.getLabel();
	}
	return getTitle();
	}

	protected String computePartName() {
	if (part instanceof IWorkbenchPart2) {
	return super.computePartName();
	} else {
	return getRegisteredName();
	}
	}

	protected String computeContentDescription() {
	if (part instanceof IWorkbenchPart2) {
	return super.computeContentDescription();
	} else {
	String rawTitle = getRawTitle();

	if (!Util.equals(rawTitle, getRegisteredName())) {
	return rawTitle;
	}

	return ""; //$NON-NLS-1$
	}
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.IViewReference
	*/
	public String getSecondaryId() {
	return secondaryId;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.IViewReference#getView(boolean)
	*/
	public IViewPart getView(boolean restore) {
	return (IViewPart) getPart(restore);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.IViewReference#isFastView()
	*/
	public boolean isFastView() {
	return this.factory.page.isFastView(this);
	}

	/**
	* Wrapper for restoring the view. First, this delegates to
	* busyRestoreViewHelper to do the real work of restoring the view. If
	* unable to restore the view, this method tries to substitute an error part
	* and return success.
	*
	* @param factory
	* TODO
	* @return
	*/
	protected IWorkbenchPart createPart() {

	// Check the status of this part

	IWorkbenchPart result = null;
	PartInitException exception = null;

	// Try to restore the view -- this does the real work of restoring the
	// view
	//
	try {
	result = createPartHelper();
	} catch (PartInitException e) {
	exception = e;
	}

	// If unable to create the part, create an error part instead
	if (exception != null) {
	IStatus partStatus = exception.getStatus();
	IStatus displayStatus = StatusUtil.newStatus(partStatus, NLS.bind(
	WorkbenchMessages.ViewFactory_initException, partStatus
	.getMessage()));

	IStatus logStatus = StatusUtil
	.newStatus(
	partStatus,
	NLS
	.bind(
	"Unable to create view ID {0}: {1}", getId(), partStatus.getMessage())); //$NON-NLS-1$
	WorkbenchPlugin.log(logStatus);

	IViewDescriptor desc = factory.viewReg.find(getId());
	String label = getId();
	if (desc != null) {
	label = desc.getLabel();
	}

	ErrorViewPart part = new ErrorViewPart(displayStatus);

	PartPane pane = getPane();
	ViewSite site = new ViewSite(this, part, factory.page, getId(),
	PlatformUI.PLUGIN_ID, label);
	site.setActionBars(new ViewActionBars(factory.page.getActionBars(),
	site, (ViewPane) pane));
	try {
	part.init(site);
	} catch (PartInitException e) {
	WorkbenchPlugin.log(e);
	return null;
	}
	part.setPartName(label);

	Composite parent = (Composite) pane.getControl();
	Composite content = new Composite(parent, SWT.NONE);
	content.setLayout(new FillLayout());

	try {
	part.createPartControl(content);
	} catch (Exception e) {
	content.dispose();
	WorkbenchPlugin.log(e);
	return null;
	}

	result = part;
	}

	return result;
	}

	private IWorkbenchPart createPartHelper() throws PartInitException {

	IWorkbenchPart result = null;

	IMemento stateMem = null;
	if (memento != null) {
	stateMem = memento.getChild(IWorkbenchConstants.TAG_VIEW_STATE);
	}

	IViewDescriptor desc = factory.viewReg.find(getId());
	if (desc == null) {
	throw new PartInitException(
	WorkbenchMessages.ViewFactory_couldNotCreate);
	}

	// Create the part pane
	PartPane pane = getPane();

	// Create the pane's top-level control
	pane.createControl(factory.page.getClientComposite());

	String label = desc.getLabel(); // debugging only

	// Things that will need to be disposed if an exception occurs (they are
	// listed here
	// in the order they should be disposed)
	Composite content = null;
	IViewPart initializedView = null;
	ViewSite site = null;
	ViewActionBars actionBars = null;
	// End of things that need to be explicitly disposed from the try block

	try {
	IViewPart view = null;
	try {
	UIStats.start(UIStats.CREATE_PART, label);
	view = desc.createView();
	} finally {
	UIStats.end(UIStats.CREATE_PART, view, label);
	}

	// Create site
	site = new ViewSite(this, view, factory.page, desc);
	actionBars = new ViewActionBars(factory.page.getActionBars(), site,
	(ViewPane) pane);
	site.setActionBars(actionBars);

	try {
	UIStats.start(UIStats.INIT_PART, label);
	view.init(site, stateMem);
	// Once we've called init, we MUST dispose the view. Remember
	// the fact that
	// we've initialized the view in case an exception is thrown.
	initializedView = view;

	} finally {
	UIStats.end(UIStats.INIT_PART, view, label);
	}

	if (view.getSite() != site) {
	throw new PartInitException(
	WorkbenchMessages.ViewFactory_siteException, null);
	}
	int style = SWT.NONE;
	if (view instanceof IWorkbenchPartOrientation) {
	style = ((IWorkbenchPartOrientation) view).getOrientation();
	}

	// Create the top-level composite
	{
	Composite parent = (Composite) pane.getControl();
	content = new Composite(parent, style);
	content.setLayout(new FillLayout());

	try {
	UIStats.start(UIStats.CREATE_PART_CONTROL, label);
	view.createPartControl(content);

	parent.layout(true);
	} finally {
	UIStats.end(UIStats.CREATE_PART_CONTROL, view, label);
	}
	}

	// Install the part's tools and menu
	{
	ViewActionBuilder builder = new ViewActionBuilder();
	builder.readActionExtensions(view);
	ActionDescriptor[] actionDescriptors = builder
	.getExtendedActions();
	IKeyBindingService keyBindingService = view.getSite()
	.getKeyBindingService();

	if (actionDescriptors != null) {
	for (int i = 0; i < actionDescriptors.length; i++) {
	ActionDescriptor actionDescriptor = actionDescriptors[i];

	if (actionDescriptor != null) {
	IAction action = actionDescriptors[i].getAction();

	if (action != null
	&& action.getActionDefinitionId() != null) {
	keyBindingService.registerAction(action);
	}
	}
	}
	}
	site.getActionBars().updateActionBars();
	}

	// The editor should now be fully created. Exercise its public
	// interface, and sanity-check
	// it wherever possible. If it's going to throw exceptions or behave
	// badly, it's much better
	// that it does so now while we can still cancel creation of the
	// part.
	PartTester.testView(view);

	result = view;

	IConfigurationElement element = (IConfigurationElement) Util.getAdapter(desc,
	IConfigurationElement.class);
	if (element != null) {
	factory.page.getExtensionTracker().registerObject(
	element.getDeclaringExtension(), view,
	IExtensionTracker.REF_WEAK);
	}
	} catch (Throwable e) {
	if ((e instanceof Error) && !(e instanceof LinkageError)) {
	throw (Error) e;
	}

	// An exception occurred. First deallocate anything we've allocated
	// in the try block (see the top
	// of the try block for a list of objects that need to be explicitly
	// disposed)
	if (content != null) {
	try {
	content.dispose();
	} catch (RuntimeException re) {
	WorkbenchPlugin.log(re);
	}
	}

	if (initializedView != null) {
	try {
	initializedView.dispose();
	} catch (RuntimeException re) {
	WorkbenchPlugin.log(re);
	}
	}

	if (site != null) {
	try {
	site.dispose();
	} catch (RuntimeException re) {
	WorkbenchPlugin.log(re);
	}
	}

	if (actionBars != null) {
	try {
	actionBars.dispose();
	} catch (RuntimeException re) {
	WorkbenchPlugin.log(re);
	}
	}

	throw new PartInitException(WorkbenchPlugin.getStatus(e));
	}

	return result;
	}

	/**
	* The memento is that last view state saved by the workbench.
	*
	* @return the last state that was saved by the workbench. It can return
	* <code>null</code>.
	* @since 3.1.1
	*/
	public IMemento getMemento() {
	return memento;
	}
	}