Class: Moneta::Adapters::RestClient

Inherits:
Object
  • Object
show all
Includes:
Defaults
Defined in:
lib/moneta/adapters/restclient.rb

Overview

Moneta rest client backend which works together with Rack::MonetaRest

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Defaults

#[], #[]=, #close, #create, #decrement, #each_key, #features, #fetch, #fetch_values, included, #increment, #merge!, #slice, #supports?, #update, #values_at

Methods included from OptionSupport

#expires, #prefix, #raw, #with

Constructor Details

#initialize(options = {}) ⇒ RestClient

Returns a new instance of RestClient.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :url (String)

    URL

  • :adapter (Symbol)

    The adapter to tell Faraday to use

  • :backend (Faraday::Connection)

    Use existing backend instance

  • Other (Object)

    options passed to Faraday::new (unless :backend option is provided).


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# File 'lib/moneta/adapters/restclient.rb', line 18

def initialize(options = {})
  @backend = options.delete(:backend) ||
    begin
      raise ArgumentError, 'Option :url is required' unless url = options.delete(:url)
      block = if faraday_adapter = options.delete(:adapter)
                proc { |faraday| faraday.adapter faraday_adapter }
              end
      ::Faraday.new(url, options, &block)
    end
end

Instance Attribute Details

#backendObject (readonly)


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# File 'lib/moneta/adapters/restclient.rb', line 10

def backend
  @backend
end

Instance Method Details

#clear(options = {}) ⇒ void

This method returns an undefined value.

Clear all keys in this store

Parameters:

  • options (Hash) (defaults to: {})

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# File 'lib/moneta/adapters/restclient.rb', line 54

def clear(options = {})
  @backend.delete ''
  self
end

#delete(key, options = {}) ⇒ Object

Delete the key from the store and return the current value

Parameters:

  • key (Object)
  • options (Hash) (defaults to: {})

Options Hash (options):

  • :raw (Boolean)

    Raw access without value transformation (See Transformer)

  • :prefix (String)

    Prefix key (See Transformer)

  • Other (Object)

    options as defined by the adapters or middleware

Returns:

  • (Object)

    current value


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# File 'lib/moneta/adapters/restclient.rb', line 48

def delete(key, options = {})
  response = @backend.delete(key)
  response.status == 200 ? response.body : nil
end

#key?(key, options = {}) ⇒ Boolean

Exists the value with key

Parameters:

  • key (Object)
  • options (Hash) (defaults to: {})

Options Hash (options):

  • :expires (Integer)

    Update expiration time (See Expires)

  • :prefix (String)

    Prefix key (See Transformer)

  • Other (Object)

    options as defined by the adapters or middleware

Returns:

  • (Boolean)

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# File 'lib/moneta/adapters/restclient.rb', line 30

def key?(key, options = {})
  @backend.head(key).status == 200
end

#load(key, options = {}) ⇒ Object

Fetch value with key. Return nil if the key doesn't exist

Parameters:

  • key (Object)
  • options (Hash) (defaults to: {})

Options Hash (options):

  • :expires (Integer)

    Update expiration time (See Expires)

  • :raw (Boolean)

    Raw access without value transformation (See Transformer)

  • :prefix (String)

    Prefix key (See Transformer)

  • :sync (Boolean)

    Synchronized load (Cache reloads from adapter, Daybreak syncs with file)

  • Other (Object)

    options as defined by the adapters or middleware

Returns:

  • (Object)

    value


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# File 'lib/moneta/adapters/restclient.rb', line 35

def load(key, options = {})
  response = @backend.get(key)
  response.status == 200 ? response.body : nil
end

#store(key, value, options = {}) ⇒ Object

Store value with key

Parameters:

  • key (Object)
  • value (Object)
  • options (Hash) (defaults to: {})

Options Hash (options):

  • :expires (Integer)

    Set expiration time (See Expires)

  • :raw (Boolean)

    Raw access without value transformation (See Transformer)

  • :prefix (String)

    Prefix key (See Transformer)

  • Other (Object)

    options as defined by the adapters or middleware

Returns:

  • value


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# File 'lib/moneta/adapters/restclient.rb', line 41

def store(key, value, options = {})
  response = @backend.post(key, value)
  raise "HTTP error #{response.status}" unless response.status == 200
  value
end