tyra 1.0.0

Typed Actor System
Documentation 
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use crate::actor::actor_send_error::ActorSendError;
use crate::actor::handler::Handler;
use crate::message::actor_message::BaseActorMessage;
use crate::message::envelope::MessageEnvelope;
use crate::prelude::{Actor, SerializedMessage};
use std::any::Any;
use std::panic::UnwindSafe;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use std::time::Duration;

pub trait BaseMailbox: Send + Sync + UnwindSafe {
    fn send_serialized(&self, _msg: SerializedMessage);
    fn as_any(&self) -> &dyn Any;
    fn is_sleeping(&self) -> bool;
}

pub struct Mailbox<A> {
    pub is_stopped: Arc<AtomicBool>,
    pub is_sleeping: Arc<AtomicBool>,
    pub msg_in: flume::Sender<MessageEnvelope<A>>,
}

impl<A> BaseMailbox for Mailbox<A>
where
    A: Handler<SerializedMessage> + 'static,
{
    fn send_serialized(&self, msg: SerializedMessage) {
        self.msg_in.send(MessageEnvelope::new(msg)).unwrap();
    }

    fn as_any(&self) -> &dyn Any {
        self
    }

    fn is_sleeping(&self) -> bool {
        self.is_sleeping.load(Ordering::Relaxed)
    }
}

impl<A> Clone for Mailbox<A>
where
    A: Actor,
{
    fn clone(&self) -> Self {
        Self {
            msg_in: self.msg_in.clone(),
            is_stopped: self.is_stopped.clone(),
            is_sleeping: self.is_sleeping.clone(),
        }
    }
}

impl<A> Mailbox<A>
where
    A: Actor,
{
    pub fn send<M>(&self, msg: M) -> Result<(), ActorSendError>
    where
        A: Handler<M>,
        M: BaseActorMessage + 'static,
    {
        let result = self.msg_in.send(MessageEnvelope::new(msg));
        if result.is_ok() {
            return Ok(());
        }

        return Err(ActorSendError::AlreadyStoppedError);
    }

    pub fn send_timeout<M>(&self, msg: M, timeout: Duration) -> Result<(), ActorSendError>
    where
        A: Handler<M>,
        M: BaseActorMessage + 'static,
    {
        let result = self.msg_in.send_timeout(MessageEnvelope::new(msg), timeout);
        if result.is_ok() {
            return Ok(());
        }
        return Err(ActorSendError::TimeoutError);
    }

    pub fn is_sleeping(&self) -> bool {
        self.is_sleeping.load(Ordering::Relaxed)
    }

    pub fn is_stopped(&self) -> bool {
        self.is_stopped.load(Ordering::Relaxed)
    }

    pub fn len(&self) -> usize {
        return self.msg_in.len();
    }
}