Java tutorial
/* * Copyright 2000-2018 Vaadin Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.vaadin.data.provider; import com.vaadin.shared.data.sort.SortDirection; import com.vaadin.ui.Grid.Column; /** * Sorting information for {@link com.vaadin.ui.Grid Grid}. * * @param <T> * the grid type * @since 8.0 */ public class GridSortOrder<T> extends SortOrder<Column<T, ?>> { /** * Construct sorting information for usage in a {@link com.vaadin.ui.Grid * Grid}. * * @param column * the column to be sorted * @param direction * sorting direction */ public GridSortOrder(Column<T, ?> column, SortDirection direction) { super(column, direction); } /** * Gets the column this sorting information is attached to. * * @return the column being sorted */ @Override public Column<T, ?> getSorted() { return super.getSorted(); } /** * Creates a new grid sort builder with given sorting using ascending sort * direction. * * @param by * the column to sort by * @param <T> * the grid type * * @return the grid sort builder */ public static <T> GridSortOrderBuilder<T> asc(Column<T, ?> by) { return new GridSortOrderBuilder<T>().thenAsc(by); } /** * Creates a new grid sort builder with given sorting using descending sort * direction. * * @param by * the column to sort by * @param <T> * the grid type * * @return the grid sort builder */ public static <T> GridSortOrderBuilder<T> desc(Column<T, ?> by) { return new GridSortOrderBuilder<T>().thenDesc(by); } }