Struct MaterializedLockView 

pub struct MaterializedLockView<T>
where
    T: Clone,
{ /* private fields */ }

Materialized view - a cached query result.

Like SQL materialized views, stores query results for fast access.

Implementations

impl<T> MaterializedLockView<T>

where T: Clone,

pub fn new<F>(refresh_fn: F) -> Self

where F: Fn() -> Vec<T> + 'static,

Create a new materialized view with a refresh function.

Example

let mat_view = MaterializedLockView::new(|| {
    product_map
        .lock_query()
        .where_(Product::active(), |&a| a)
        .all()
});

pub fn get(&self) -> &[T]

Get the cached data.

pub fn refresh(&mut self)

Refresh the view with latest data.

pub fn count(&self) -> usize

Get count without refreshing.