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21 lines
535 B
21 lines
535 B
use std::fmt::Debug;
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use crate::context::Context;
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/// A trait for types that can handle reception of a message.
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///
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/// Message types are mapped to handler types by Dispatcher.
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/// This trait is intended to allow composing handler logic.
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pub trait MessageHandler: Debug {
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type Message;
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/// Attempts to handle the given message against the given context.
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fn run(
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self,
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context: &mut Context,
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message: &Self::Message,
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) -> anyhow::Result<()>;
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/// Returns the name of this handler type.
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fn name() -> String;
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}
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