Finalize EventHandler API #4
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This changes the API to take in types that implement the `EventHandler`
and `EventHandlerMut` traits rather than standard `Fn`.
This allows for functionality like:
```rust
use disrustor::{
internal::SpinLoopWaitStrategy,
*,
};
const MAX: i64 = 200i64;
struct Journal {
pub i: u32,
id: u32
}
impl Journal {
fn new(id: u32) -> Self {
Self {
i: 0,
id: id
}
}
}
impl EventHandler<u32> for Journal {
fn handle_event(&mut self, event: &u32, seq: Sequence, eob: bool) {
self.i = *event;
println!(
"journal: {}; msg: {}",
self.id,
self.i
);
}
}
fn main() {
// let journal2 = std::cell::RefCell::new(Vec::<u32>::new()); // implemented somewhere else
let (executor, producer) = DisrustorBuilder::with_ring_buffer(4096)
.with_wait_strategy::<SpinLoopWaitStrategy>()
.with_single_producer()
.with_barrier(|b| {
// journal + replication can happen in parallel
b.handle_events(Journal::new(0));
b.handle_events(Journal::new(1));
})
.build();
let handle = executor.spawn();
for i in 1..=MAX {
std::thread::sleep_ms(1);
producer.write([i], |d, _, _| {
*d = i as u32;
});
}
producer.drain();
handle.join();
}
```
See #2
Codecov Report
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