@Override
public Iterator<? extends T> iterator(long first, long count) {
Collection<T> data = dataModel.getObject();
if (data == null || data.size() == 0) return Iterators.emptyIterator();
Iterator<T> it;
final SortParam<S> sortParam = getSort();
if (sortParam != null && sortParam.getProperty() != null) {
Ordering<T> ordering =
Ordering.natural()
.nullsFirst()
.onResultOf(
new Function<T, Comparable<?>>() {
@Override
public Comparable<?> apply(T input) {
return comparableValue(input, sortParam.getProperty());
}
});
if (!sortParam.isAscending()) ordering = ordering.reverse();
it = ordering.sortedCopy(data).iterator();
} else {
it = data.iterator();
}
if (first > 0) Iterators.advance(it, (int) first);
return count >= 0 ? Iterators.limit(it, (int) count) : it;
}
public void build(Criteria criteria) {
SortParam sort = sortState.getSort();
String property;
if (sort != null && sort.getProperty() != null) {
property = sort.getProperty();
asc = sort.isAscending();
} else {
property = defaultProperty;
}
if (property != null) {
if (property.contains(".")) {
// for 'dot' properties we need to add aliases
// e.g. for the property 'orderbook.order.item.name' we need to add an aliases for 'order'
// and 'order.item'
String path[] = property.split("\\.");
for (int ii = 0; ii < path.length - 1; ii++) {
StringBuffer sb = new StringBuffer();
for (int jj = 0; jj <= ii; jj++) {
if (sb.length() > 0) sb.append(".");
sb.append(path[jj]);
}
criteria.createAlias(sb.toString(), path[ii], CriteriaSpecification.LEFT_JOIN);
}
// when we have a 'dot' property we want to sort by the sub tables field
// e.g. for the property 'orderbook.order.item.name' we need to sort by 'item.name'
if (path.length > 1)
property = String.format("%s.%s", path[path.length - 2], path[path.length - 1]);
else property = path[path.length - 1];
}
Order order = asc ? Order.asc(property) : Order.desc(property);
order = cased ? order : order.ignoreCase();
criteria.addOrder(order);
}
}
/**
* Sorts the given list by getting the {@link SortParam#getProperty()} and if not null the given
* list will be sort.
*
* @param unsortedList the unsorted list
* @return the same list but sorted.
*/
protected List<T> sort(final List<T> unsortedList) {
final SortParam<S> sortParam = getSort();
if (sortParam != null) {
final String property = (String) sortParam.getProperty();
final boolean ascending = sortParam.isAscending();
ListExtensions.sortByProperty(unsortedList, property, ascending);
}
return unsortedList;
}
@Override
public void buildOrdered(Criteria criteria) {
buildUnordered(criteria);
SortParam<String> sort = ((SingleSortState<String>) getSortState()).getSort();
if (sort != null) {
if (sort.isAscending()) criteria.addOrder(Order.asc(sort.getProperty()).ignoreCase());
else criteria.addOrder(Order.desc(sort.getProperty()).ignoreCase());
}
}
@Override
protected List<Order> getOrder(SortParam sort) {
if (sort.getProperty() == null || !sort.getProperty().equals("priority")) {
return super.getOrder(sort);
}
if (sort.isAscending()) {
return Arrays.asList(Order.asc("priority"), Order.asc("type"));
} else {
return Arrays.asList(Order.desc("priority"), Order.desc("type"));
}
}
/**
* Returns the requested page of layer objects after applying any keyword filtering set on the
* page
*/
private Iterator<LayerInfo> filteredItems(Integer first, Integer count) {
final Catalog catalog = getCatalog();
// global sorting
final SortParam sort = getSort();
final Property<LayerInfo> property = getProperty(sort);
SortBy sortOrder = null;
if (sort != null) {
if (property instanceof BeanProperty) {
final String sortProperty = ((BeanProperty<LayerInfo>) property).getPropertyPath();
sortOrder = sortBy(sortProperty, sort.isAscending());
} else if (property == ENABLED) {
sortOrder = sortBy("enabled", sort.isAscending());
}
}
final Filter filter = getFilter();
// our already filtered and closeable iterator
Iterator<LayerInfo> items = catalog.list(LayerInfo.class, filter, first, count, sortOrder);
return items;
}
public void build(final List<Predicate> criteria) {
final SortParam sort = sortState.getSort();
String property;
if (sort != null && sort.getProperty() != null) {
property = sort.getProperty();
asc = sort.isAscending();
} else {
property = defaultProperty;
}
if (property != null) {
if (property.contains(".")) {
// for 'dot' properties we need to add aliases
// e.g. for the property 'orderbook.order.item.name' we need to add an
// aliases for 'order' and 'order.item'
final String path[] = property.split("\\.");
for (int ii = 0; ii < path.length - 1; ii++) {
final StringBuffer sb = new StringBuffer();
for (int jj = 0; jj <= ii; jj++) {
if (sb.length() > 0) {
sb.append(".");
}
sb.append(path[jj]);
}
// TODO
// criteria.createAlias(sb.toString(), path[ii],
// CriteriaSpecification.LEFT_JOIN);
}
// when we have a 'dot' property we want to sort by the sub tables field
// e.g. for the property 'orderbook.order.item.name' we need to sort by
// 'item.name'
if (path.length > 1) {
property = String.format("%s.%s", path[path.length - 2], path[path.length - 1]);
} else {
property = path[path.length - 1];
}
}
final EntityManager em = Databinder.getEntityManager();
final CriteriaBuilder cb = em.getCriteriaBuilder();
final CriteriaQuery<T> cq = cb.createQuery(entityClass);
final Root<T> root = cq.from(entityClass);
cq.orderBy(cb.asc(root.get(property)));
final javax.persistence.criteria.Order order =
asc ? cb.asc(root.get(property)) : cb.desc(root.get(property));
// TODO order = cased ? order : order.ignoreCase();
// criteria.addOrder(order);
cq.orderBy(order);
}
}
@Override
public Iterator<InvoiceConfiguration> iterator(int first, int count) {
SortParam sp = getSort();
return find(first, count, sp.getProperty(), sp.isAscending()).iterator();
}
@Override
public synchronized Iterator<T> iterator(int first, int count) {
SortParam sp = getSort();
Collections.sort(filteredList, new ConfDataComparator<T>(sp.getProperty(), sp.isAscending()));
return new ListIterator<T>(filteredList, first, count);
}