add IndexBuffer
This commit is contained in:
parent
cec7b4a0a0
commit
fb5ae53e88
2 changed files with 82 additions and 1 deletions
81
nested/src/index/buffer.rs
Normal file
81
nested/src/index/buffer.rs
Normal file
|
@ -0,0 +1,81 @@
|
|||
|
||||
use {
|
||||
std::{
|
||||
sync::Arc,
|
||||
collections::HashMap,
|
||||
hash::Hash
|
||||
},
|
||||
std::sync::RwLock,
|
||||
crate::{
|
||||
core::{
|
||||
Observer,
|
||||
ObserverBroadcast,
|
||||
View,
|
||||
InnerViewPort
|
||||
},
|
||||
index::IndexView
|
||||
}
|
||||
};
|
||||
|
||||
pub struct IndexBufferView<Key, Item>(Arc<RwLock<HashMap<Key, Item>>>)
|
||||
where Key: Clone + Hash + Eq + Send + Sync + 'static,
|
||||
Item: Clone + Send + Sync + 'static;
|
||||
|
||||
impl<Key, Item> View for IndexBufferView<Key, Item>
|
||||
where Key: Clone + Hash + Eq + Send + Sync + 'static,
|
||||
Item: Clone + Send + Sync + 'static
|
||||
{
|
||||
type Msg = Key;
|
||||
}
|
||||
|
||||
impl<Key, Item> IndexView<Key> for IndexBufferView<Key, Item>
|
||||
where Key: Clone + Hash + Eq + Send + Sync + 'static,
|
||||
Item: Clone + Send + Sync + 'static
|
||||
{
|
||||
type Item = Item;
|
||||
|
||||
fn get(&self, key: &Key) -> Option<Self::Item> {
|
||||
self.0.read().unwrap().get(key).cloned()
|
||||
}
|
||||
|
||||
fn area(&self) -> Option<Vec<Key>> {
|
||||
Some(self.0.read().unwrap().keys().cloned().collect())
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
pub struct IndexBuffer<Key, Item>
|
||||
where Key: Clone + Hash + Eq + Send + Sync + 'static,
|
||||
Item: Clone + Send + Sync + 'static
|
||||
{
|
||||
data: Arc<RwLock<HashMap<Key, Item>>>,
|
||||
cast: Arc<RwLock<ObserverBroadcast<dyn IndexView<Key, Item = Item>>>>
|
||||
}
|
||||
|
||||
impl<Key, Item> IndexBuffer<Key, Item>
|
||||
where Key: Clone + Hash + Eq + Send + Sync + 'static,
|
||||
Item: Clone + Send + Sync + 'static
|
||||
{
|
||||
pub fn new(port: InnerViewPort<dyn IndexView<Key, Item = Item>>) -> Self {
|
||||
let data = Arc::new(RwLock::new(HashMap::<Key, Item>::new()));
|
||||
port.set_view(Some(Arc::new(IndexBufferView(data.clone()))));
|
||||
|
||||
IndexBuffer {
|
||||
data,
|
||||
cast: port.get_broadcast()
|
||||
}
|
||||
}
|
||||
|
||||
pub fn insert(&mut self, key: Key, item: Item) {
|
||||
self.data.write().unwrap().insert(key.clone(), item);
|
||||
self.cast.notify(&key);
|
||||
}
|
||||
|
||||
pub fn insert_iter<T>(&mut self, iter: T)
|
||||
where T: IntoIterator<Item = (Key, Item)> {
|
||||
for (key, item) in iter {
|
||||
self.insert(key, item);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,6 +1,7 @@
|
|||
|
||||
pub mod map_item;
|
||||
pub mod map_key;
|
||||
pub mod buffer;
|
||||
|
||||
use {
|
||||
std::{
|
||||
|
@ -46,7 +47,6 @@ impl<Key, V> IndexView<Key> for Arc<V>
|
|||
where Key: Send + Sync,
|
||||
V: IndexView<Key> + ?Sized
|
||||
{
|
||||
|
||||
type Item = V::Item;
|
||||
|
||||
fn get(&self, key: &Key) -> Option<Self::Item> {
|
||||
|
|
Loading…
Reference in a new issue