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use super::ReadHandle;
use crate::inner::Inner;
use std::collections::hash_map::RandomState;
use std::hash::{BuildHasher, Hash};
use std::mem::ManuallyDrop;
use std::sync::atomic::AtomicPtr;
use std::{fmt, sync};
pub struct ReadHandleFactory<K, V, M = (), S = RandomState>
where
K: Eq + Hash,
S: BuildHasher,
{
pub(super) inner: sync::Arc<AtomicPtr<Inner<K, ManuallyDrop<V>, M, S>>>,
pub(super) epochs: crate::Epochs,
}
impl<K, V, M, S> fmt::Debug for ReadHandleFactory<K, V, M, S>
where
K: Eq + Hash,
S: BuildHasher,
{
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("ReadHandleFactory")
.field("epochs", &self.epochs)
.finish()
}
}
impl<K, V, M, S> Clone for ReadHandleFactory<K, V, M, S>
where
K: Eq + Hash,
S: BuildHasher,
{
fn clone(&self) -> Self {
Self {
inner: sync::Arc::clone(&self.inner),
epochs: sync::Arc::clone(&self.epochs),
}
}
}
impl<K, V, M, S> ReadHandleFactory<K, V, M, S>
where
K: Eq + Hash,
S: BuildHasher,
{
pub fn handle(&self) -> ReadHandle<K, V, M, S> {
ReadHandle::new(
sync::Arc::clone(&self.inner),
sync::Arc::clone(&self.epochs),
)
}
}