Class: Friendly::Cache

Inherits:

Storage

• Object
• Storage
• Friendly::Cache

show all

Defined in:

lib/friendly/cache.rb,
lib/friendly/cache/by_id.rb

Instance Attribute Summary (collapse)

• - (Object) cache readonly

  Returns the value of attribute cache.

• - (Object) fields readonly

  Returns the value of attribute fields.

• - (Object) klass readonly

  Returns the value of attribute klass.

• - (Object) version readonly

  Returns the value of attribute version.

Class Method Summary (collapse)

• + (Object) cache_for(klass, fields, options)

Instance Method Summary (collapse)

• - (Cache) initialize(klass, fields, options = {}, cache = Friendly.cache) constructor

  A new instance of Cache.

Methods inherited from Storage

#all, #count, #create, #destroy, #first, #satisfies?, #update

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# File 'lib/friendly/cache.rb', line 17

def initialize(klass, fields, options = {}, cache = Friendly.cache)
  @klass   = klass
  @fields  = fields
  @cache   = cache
  @version = options[:version] || 0
end

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# File 'lib/friendly/cache.rb', line 15

def cache
  @cache
end

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# File 'lib/friendly/cache.rb', line 15

def fields
  @fields
end

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# File 'lib/friendly/cache.rb', line 15

def klass
  @klass
end

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# File 'lib/friendly/cache.rb', line 15

def version
  @version
end

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# File 'lib/friendly/cache.rb', line 6

def cache_for(klass, fields, options)
  unless fields == [:id]
    raise NotSupported, "Caching is only possible by id at the moment."
  end

  ByID.new(klass, fields, options)
end