@Override
	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
	    if (itemPropertyDescriptors == null) {
	        super.getPropertyDescriptors(object);

	        // Dynamically determine if the name property should be read-only
	        boolean isNameReadOnly = false;
	        if (object instanceof Book) {
	            Book book = (Book) object;
	            if (book.getYear() == 2007) {
	                isNameReadOnly = true;
	            }
	        }

	        addNamePropertyDescriptor(object, isNameReadOnly);
	        addYearPropertyDescriptor(object);
	    }
	    return itemPropertyDescriptors;
	}

	// Updated to include dynamic read-only logic
	protected void addNamePropertyDescriptor(Object object, boolean isReadOnly) {
	    itemPropertyDescriptors.add(createItemPropertyDescriptor(
	            ((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
	            getResourceLocator(), getString("_UI_Book_name_feature"),
	            getString("_UI_PropertyDescriptor_description", "_UI_Book_name_feature", "_UI_Book_type"),
	            LibraryProjectPackage.Literals.BOOK__NAME, true, false, isReadOnly,
	            ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}


	@Override
	public void notifyChanged(Notification notification) {
	    super.notifyChanged(notification);

	    if (notification.getFeatureID(Book.class) == LibraryProjectPackage.BOOK__YEAR) {
	        // Year has changed, so refresh property descriptors to potentially update read-only status
	        itemPropertyDescriptors = null;
	    }

	    switch (notification.getFeatureID(Book.class)) {
	        case LibraryProjectPackage.BOOK__NAME:
	        case LibraryProjectPackage.BOOK__YEAR:
	            fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
	            return;
	    }
	}

@Override
	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
	    // Always clear the old descriptors to ensure they are re-evaluated for the current object state
	    itemPropertyDescriptors = null;
	    super.getPropertyDescriptors(object);

	    // Note: We do not need to pass isReadOnly flag here anymore
	    addNamePropertyDescriptor(object); // Adjust this method to evaluate read-only condition internally
	    addYearPropertyDescriptor(object);
	    
	    return itemPropertyDescriptors;
	}

	// Adjusted to evaluate read-only condition internally
	protected void addNamePropertyDescriptor(Object object) {
	    boolean editName = true;
	    if (object instanceof Book) {
	        Book book = (Book) object;
	        if (book.getYear() == 2007) {
	            editName = false;
	        }
	    }
	    
	    itemPropertyDescriptors.add(createItemPropertyDescriptor(
	            ((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
	            getResourceLocator(), getString("_UI_Book_name_feature"),
	            getString("_UI_PropertyDescriptor_description", "_UI_Book_name_feature", "_UI_Book_type"),
	            LibraryProjectPackage.Literals.BOOK__NAME, editName, false, false,
	            ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}