com.vaadin.ui

Interface ComboBox.FetchItemsCallback<T>

Type Parameters:

T - item (bean) type in ComboBox

All Superinterfaces:

Serializable

Enclosing class:

ComboBox<T>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface ComboBox.FetchItemsCallback<T>
extends Serializable

A callback method for fetching items. The callback is provided with a non-null string filter, offset index and limit.

Since:

8.0

Method Summary

Modifier and Type	Method and Description
Stream<T>	fetchItems(String filter, int offset, int limit) Returns a stream of items that match the given filter, limiting the results with given offset and limit.

Method Detail

fetchItems

Stream<T> fetchItems(String filter,
                     int offset,
                     int limit)

Returns a stream of items that match the given filter, limiting the results with given offset and limit.

This method is called after the size of the data set is asked from a related size callback. The offset and limit are promised to be within the size of the data set.

Parameters:

filter - a non-null filter string

offset - the first index to fetch

limit - the fetched item count

Returns:

stream of items