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ValuesStore

Struct ValuesStore 

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pub struct ValuesStore { /* private fields */ }
Expand description

Lazily reloads values from disk when reads detect they are stale.

Holds the current ValuesByNamespace snapshot in an ArcSwap for lock-free reads. Every load() checks whether the snapshot is older than refresh_threshold + jitter; if so, the calling thread reads the values directory, then compare-and-swaps the timestamp. Whichever thread wins the CAS publishes its snapshot into the ArcSwap; losers discard their work.

Replaces the polling watcher thread: idle processes do no work, and concurrent readers coordinate through the timestamp CAS.

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impl ValuesStore

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pub fn new( registry: Arc<SchemaRegistry>, values_dir: &Path, ) -> ValidationResult<Self>

Build a store and perform the initial values load synchronously.

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pub fn registry(&self) -> &Arc<SchemaRegistry>

The registry the store was constructed with.

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pub fn load(&self) -> Guard<Arc<ValuesByNamespace>>

Returns a guard onto the current values snapshot, refreshing first if the cached snapshot is older than refresh_threshold + jitter.

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