Class: IdentityCache::Cached::AttributeByOne

Inherits:
Attribute
  • Object
show all
Defined in:
lib/identity_cache/cached/attribute_by_one.rb

Instance Attribute Summary collapse

Attributes inherited from Attribute

#alias_name, #key_fields, #model, #unique

Instance Method Summary collapse

Methods inherited from Attribute

#attribute, #cache_encode, #cache_key, #expire, #fetch, #fetch_multi, #load_multi_from_db, #load_one_from_db

Constructor Details

#initialize ⇒ AttributeByOne

Returns a new instance of AttributeByOne.



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# File 'lib/identity_cache/cached/attribute_by_one.rb', line 8

def initialize(*)
  super
  @key_field = key_fields.first
end

Instance Attribute Details

#key_field ⇒ Object (readonly)

Returns the value of attribute key_field.



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# File 'lib/identity_cache/cached/attribute_by_one.rb', line 6

def key_field
  @key_field
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/identity_cache/cached/attribute_by_one.rb', line 13

def build
  cached_attribute = self

  model.define_singleton_method(:"fetch_#{fetch_method_suffix}") do |key|
    raise_if_scoped
    cached_attribute.fetch(key)
  end

  model.define_singleton_method(:"fetch_multi_#{fetch_method_suffix}") do |keys|
    raise_if_scoped
    cached_attribute.fetch_multi(keys)
  end
end