harmos-runtime 0.1.6

Harmos runtime: managed state, undo, recovery, background work and typed streams.
Documentation 
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/* ***
 *
 * Harmos
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * ***
 */

// Await Native Resident Status Events Without A Polling Timer.

/* === Modules === */

/* === Re-Exports === */

/* === Imports === */

// Standard Library Imports

// Third Party Imports

// Local Imports
use super::*;

/* === Constants === */

/* === Macros === */

/* === Type Aliases === */

/* === Structs === */

/* === Enums === */

/* === Traits === */

/* === Implementations === */

/* === Public Functions === */

/* === Private Functions === */

// Await The Resident Status Change The Story Names; The Lane Deadline Ends A Hang.
pub(super) async fn service_status(
    mut services: tokio::sync::watch::Receiver<
        BTreeMap<harmos_runtime::operations::resident::Key, harmos_runtime::operations::resident::Snapshot>,
    >,
    name: &str, wanted: impl Fn(&ServiceStatus) -> bool,
) -> ServiceStatus {
    let key = harmos_runtime::operations::resident::Key::root(name);
    let snapshot = services
        .wait_for(|items| items.get(&key).and_then(|item| item.health.as_ref()).is_some_and(&wanted))
        .await
        .expect("the runtime keeps the status sender open");
    snapshot.get(&key).and_then(|item| item.health.clone()).expect("the awaited status is present")
}

/* === Tests === */