Method: ActiveSupport::Cache::Store#exist?

Defined in:
lib/active_support/cache.rb

#exist?(name, options = nil) ⇒ Boolean

Returns true if the cache contains an entry for the given key.

Options are passed to the underlying cache implementation.



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# File 'lib/active_support/cache.rb', line 713

def exist?(name, options = nil)
  options = merged_options(options)
  key = normalize_key(name, options)

  instrument(:exist?, key) do |payload|
    entry = read_entry(key, **options, event: payload)
    (entry && !entry.expired? && !entry.mismatched?(normalize_version(name, options))) || false
  end
end