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StratifiedSampler

oxirs_stream::advanced_sampling

Struct StratifiedSampler 

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

Stratified Sampler - Preserves distribution across categories

Maintains separate reservoirs for each category to ensure representative sampling across different event types.

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impl StratifiedSampler

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pub fn new( default_capacity: usize, category_extractor: fn(&StreamEvent) -> Option<String>, ) -> Self

Create a new stratified sampler

§Arguments
  • default_capacity - Default reservoir size per category
  • category_extractor - Function to extract category from event
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pub fn set_category_rate(&mut self, category: String, rate: f64)

Set sample rate for a specific category

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pub fn add(&mut self, event: StreamEvent)

Add an event to the appropriate category reservoir

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pub fn category_sample(&self, category: &str) -> Option<&[StreamEvent]>

Get samples for a specific category

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pub fn all_samples(&self) -> HashMap<String, Vec<StreamEvent>>

Get all samples grouped by category

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pub fn stats(&self) -> StratifiedStats

Get statistics for all categories

Trait Implementations§

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impl Clone for StratifiedSampler

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fn clone(&self) -> StratifiedSampler

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for StratifiedSampler

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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