Class: RailsHealthChecks::ResultCache

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_health_checks/result_cache.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ResultCache

Returns a new instance of ResultCache.



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# File 'lib/rails_health_checks/result_cache.rb', line 5

def initialize
  @store = {}
  @mutex = Mutex.new
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/rails_health_checks/result_cache.rb', line 21

def clear
  @mutex.synchronize { @store.clear }
end

#fetch(key, ttl:) ⇒ Object 



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# File 'lib/rails_health_checks/result_cache.rb', line 10

def fetch(key, ttl:)
  @mutex.synchronize do
    entry = @store[key]
    return entry[:results] if entry && (Process.clock_gettime(Process::CLOCK_MONOTONIC) - entry[:at]) < ttl

    results = yield
    @store[key] = { results: results, at: Process.clock_gettime(Process::CLOCK_MONOTONIC) }
    results
  end
end