ferroui_dynamic_data/cache/
i_query.rs

1//! `IQuery<TObject, TKey>` and `ICache<TObject, TKey>` (`Cache/IQuery.cs`, `Cache/ICache.cs`).
2
3use super::ChangeSet;
4
5/// Read access to a keyed collection (`IQuery<TObject, TKey>`).
6pub trait IQuery<T, K> {
7    /// The number of items (`Count`).
8    fn count(&self) -> usize;
9    /// The items, in the order of enumeration (`Items`).
10    fn items(&self) -> Vec<T>;
11    /// The keys, in the order of enumeration (`Keys`).
12    fn keys(&self) -> Vec<K>;
13    /// The keys and items, in the order of enumeration (`KeyValues`).
14    fn key_values(&self) -> Vec<(K, T)>;
15    /// The item of `key` (`Lookup`).
16    fn lookup(&self, key: &K) -> Option<T>;
17}
18
19/// A keyed collection that can be edited (`ICache<TObject, TKey>`).
20pub trait ICache<T, K>: IQuery<T, K> {
21    /// Adds the item, or replaces the item of its key (`AddOrUpdate(TObject, TKey)`).
22    fn add_or_update(&mut self, item: T, key: K);
23    /// Removes every item (`Clear`).
24    fn clear(&mut self);
25    /// Applies a change set (`Clone(IChangeSet<TObject, TKey>)`).
26    fn clone_changes(&mut self, changes: &ChangeSet<T, K>);
27    /// Refreshes every item (`Refresh()`).
28    fn refresh_all(&mut self);
29    /// Refreshes the items of the keys (`Refresh(IEnumerable<TKey>)`).
30    fn refresh_keys(&mut self, keys: &mut dyn Iterator<Item = K>);
31    /// Refreshes the item of `key` (`Refresh(TKey)`).
32    fn refresh(&mut self, key: &K);
33    /// Removes the item of `key` (`Remove(TKey)`).
34    fn remove(&mut self, key: &K);
35    /// Removes the items of the keys (`Remove(IEnumerable<TKey>)`).
36    fn remove_keys(&mut self, keys: &mut dyn Iterator<Item = K>);
37}
ferroui_dynamic_data/cache/i_query.rs

ferroui_dynamic_data/cache/
i_query.rs
