Class: Dry::Effects::Providers::Cache

Inherits:
Object
  • Object
show all
Defined in:
lib/dry/effects/providers/cache.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#cache ⇒ Object (readonly)

Returns the value of attribute cache.



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# File 'lib/dry/effects/providers/cache.rb', line 11

def cache
  @cache
end

Instance Method Details

#call(cache = EMPTY_HASH.dup) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Yield the block with the handler installed



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# File 'lib/dry/effects/providers/cache.rb', line 24

def call(cache = EMPTY_HASH.dup)
  @cache = cache
  yield
end

#fetch_or_store(key, block) ⇒ Object 



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# File 'lib/dry/effects/providers/cache.rb', line 13

def fetch_or_store(key, block)
  if cache.key?(key)
    cache[key]
  else
    Instructions.Execute { cache[key] = block.call }
  end
end

#provide?(effect) ⇒ Boolean

Parameters:

Returns:

  • (Boolean) 


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# File 'lib/dry/effects/providers/cache.rb', line 32

def provide?(effect)
  super && scope.eql?(effect.scope)
end

#represent ⇒ String

Returns:

  • (String) 


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# File 'lib/dry/effects/providers/cache.rb', line 38

def represent
  if cache.empty?
    "cache[#{scope} empty]"
  else
    "cache[#{scope} size=#{cache.size}]"
  end
end