Module: SafeMemoize::PublicMetricsMethods

Included in:
InstanceMethods
Defined in:
lib/safe_memoize/public_metrics_methods.rb

Instance Method Summary collapse

Instance Method Details

#cache_hit_rate ⇒ Object 



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# File 'lib/safe_memoize/public_metrics_methods.rb', line 115

def cache_hit_rate
  stats = cache_stats
  stats[:hit_rate]
end

#cache_metrics_reset ⇒ Object 



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# File 'lib/safe_memoize/public_metrics_methods.rb', line 125

def cache_metrics_reset
  with_memo_lock do
    _reset_cache_metrics
  end
end

#cache_miss_rate ⇒ Object 



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# File 'lib/safe_memoize/public_metrics_methods.rb', line 120

def cache_miss_rate
  stats = cache_stats
  stats[:miss_rate]
end

#cache_stats ⇒ Object 



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# File 'lib/safe_memoize/public_metrics_methods.rb', line 5

def cache_stats
  with_memo_lock do
    metrics = memo_metrics_store

    if metrics.empty?
      return {
        total_hits: 0,
        total_misses: 0,
        hit_rate: 0.0,
        miss_rate: 0.0,
        average_computation_time: 0.0,
        entries: []
      }
    end

    total_hits = metrics.values.sum { |m| m[:hits] }
    total_misses = metrics.values.sum { |m| m[:misses] }
    total_time = metrics.values.sum { |m| m[:total_time] }
    total_calls = total_hits + total_misses

    hit_rate = total_calls.zero? ? 0.0 : (total_hits.to_f / total_calls * 100).round(2)
    miss_rate = total_calls.zero? ? 0.0 : (total_misses.to_f / total_calls * 100).round(2)
    avg_time = total_misses.zero? ? 0.0 : (total_time / total_misses).round(6)

    entries = metrics.map do |cache_key, stats|
      method_name, args, _kwargs = cache_key
      entry_hit_rate = if (stats[:hits] + stats[:misses]).zero?
        0.0
      else
        (stats[:hits].to_f / (stats[:hits] + stats[:misses]) * 100).round(2)
      end

      {
        method: method_name,
        args: args,
        hits: stats[:hits],
        misses: stats[:misses],
        hit_rate: entry_hit_rate,
        computation_time: stats[:total_time].round(6)
      }
    end

    {
      total_hits: total_hits,
      total_misses: total_misses,
      hit_rate: hit_rate,
      miss_rate: miss_rate,
      average_computation_time: avg_time,
      entries: entries
    }
  end
end

#cache_stats_for(method_name) ⇒ Object 



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# File 'lib/safe_memoize/public_metrics_methods.rb', line 58

def cache_stats_for(method_name)
  method_name = method_name.to_sym

  with_memo_lock do
    metrics = memo_metrics_store
    method_metrics = metrics.select { |key, _| key[0] == method_name }

    if method_metrics.empty?
      return {
        method: method_name,
        total_hits: 0,
        total_misses: 0,
        hit_rate: 0.0,
        miss_rate: 0.0,
        average_computation_time: 0.0,
        entries: []
      }
    end

    total_hits = method_metrics.values.sum { |m| m[:hits] }
    total_misses = method_metrics.values.sum { |m| m[:misses] }
    total_time = method_metrics.values.sum { |m| m[:total_time] }
    total_calls = total_hits + total_misses

    hit_rate = total_calls.zero? ? 0.0 : (total_hits.to_f / total_calls * 100).round(2)
    miss_rate = total_calls.zero? ? 0.0 : (total_misses.to_f / total_calls * 100).round(2)
    avg_time = total_misses.zero? ? 0.0 : (total_time / total_misses).round(6)

    entries = method_metrics.map do |cache_key, stats|
      _method, args, _kwargs = cache_key
      entry_hit_rate = if (stats[:hits] + stats[:misses]).zero?
        0.0
      else
        (stats[:hits].to_f / (stats[:hits] + stats[:misses]) * 100).round(2)
      end

      {
        args: args,
        hits: stats[:hits],
        misses: stats[:misses],
        hit_rate: entry_hit_rate,
        computation_time: stats[:total_time].round(6)
      }
    end

    {
      method: method_name,
      total_hits: total_hits,
      total_misses: total_misses,
      hit_rate: hit_rate,
      miss_rate: miss_rate,
      average_computation_time: avg_time,
      entries: entries
    }
  end
end