com.vaadin.data.provider.QuerySortOrder Java Examples

The following examples show how to use com.vaadin.data.provider.QuerySortOrder. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: SizelessGridTest.java    From viritin with Apache License 2.0 6 votes vote down vote up 
@Override
public Component getTestComponent() {
    LazyGrid<Person> grid = new LazyGrid<>(Person.class);
    grid.setColumns("firstName", "lastName", "age");
    
    grid.setItems((List<QuerySortOrder> sortOrder, int offset,
            int limit) -> {

        if(sortOrder.size() > 0) {
        	System.err.println("Getting sorted data...");
        	QuerySortOrder querySortOrder = sortOrder.get(0);
        	boolean asc = querySortOrder.getDirection() == SortDirection.ASCENDING;
        	String prop = querySortOrder.getSorted();
        	return Service.findAll(offset, limit, prop, asc).stream();
        }
        return Service.findAll(offset, limit).stream();
    });
    
    
    
    return grid;
}
Example #2
Source File: TableSelectionModel.java    From GridExtensionPack with Apache License 2.0 5 votes vote down vote up 
public TableSelectionModel() {
	registerRpc(new ShiftSelectRpc() {

		@Override
		public void selectRange(int start, int length) {
			if (length == 0) {
				return;
			}

			BinaryOperator<SerializableComparator<T>> operator = (comparator1, comparator2) -> {
				/*
				 * thenComparing is defined to return a serializable
				 * comparator as long as both original comparators are also
				 * serializable
				 */
				return comparator1.thenComparing(comparator2)::compare;
			};
			Comparator<T> inMemorySorting = getParent().getSortOrder().stream()
					.map(order -> order.getSorted().getComparator(order.getDirection()))
					.reduce((x, y) -> 0, operator);

			List<QuerySortOrder> sortProperties = new ArrayList<>();
			getParent().getSortOrder().stream().map(order -> order.getSorted().getSortOrder(order.getDirection()))
					.forEach(s -> s.forEach(sortProperties::add));
			getParent().getDataProvider().fetch(new Query<>(start, length, sortProperties, inMemorySorting, null));
		}
	});
}
Example #3
Source File: PhoneBookService.java    From jpa-addressbook with The Unlicense 5 votes vote down vote up 
/**
 * Finds a set of entries from database with given filter, starting from
 * given row. The "page size" (aka max results limit passed for the query)
 * is 45.
 *
 * @param filter the filters string
 * @param firstRow the first row to be fetched
 * @param maxresults maximum number of results
 * @return
 */
public List<PhoneBookEntry> getEntriesPaged(String filter, int firstRow, int maxresults, List<QuerySortOrder> sortOrder) {
    QueryResult<PhoneBookEntry> qr = entryRepo.findByNameLikeIgnoreCase("%" + filter + "%");
    for (QuerySortOrder qso : sortOrder) {
        if(qso.getDirection() == SortDirection.ASCENDING) {
            qr = qr.orderAsc(qso.getSorted());
        } else {
            qr = qr.orderDesc(qso.getSorted());
        }
    }
    return qr
            .firstResult(firstRow).maxResults(maxresults)
            .getResultList();
}