Class: ConfigurationService::Provider::StubStore

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/configuration_service/provider/stub_store.rb

Overview

A singleton store for the Stub service provider

Examples:

Storing data and metadata


data = {"username" => "sheldonh", "password" => "secret123"}
metadata = {"version" => "1.0.0"}
StubStore.instance.store("acme", data, metadata)

Fetching data and metadata


data, metadata = StubStore.instance.fetch("acme")
# data     -> {"username" => "sheldonh", "password" => "secret123"}
# metadata -> {"version" => "1.0.0"}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.instance ⇒ ConfigurationService::ProviderRegistry

The singleton registry instance

Returns:



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# File 'lib/configuration_service/provider/stub_store.rb', line 29

class StubStore

  include Singleton

  ##
  # Fetch configuration data and metadata
  #
  # @param [String] identifier the configuration identifier
  #
  # @return [Array<Hash>] data and metadata as a tuple
  #
  def fetch(identifier)
    @configurations.fetch(identifier)
  end

  ##
  # Store configuration data and metadata
  #
  # @param [String] identifier the configuration identifier
  # @param [Hash] data the configuration data
  # @param [Hash] metadata the configuration metadata
  #
  def store(identifier, data, metadata)
    @configurations.store(identifier, [data, metadata])
  end

  ##
  # Delete configuration data and metadata
  #
  # It is not an error to delete non-existent configuration
  #
  # @param [String] identifier the configuration identifier
  #
  def delete(identifier)
    @configurations.delete(identifier)
    nil
  end

  ##
  # Delete all configuration data and metadata
  #
  def clear
    @configurations.clear
  end

  # @private
  def initialize
    @configurations = {}
  end

end

Instance Method Details

#clear ⇒ Object

Delete all configuration data and metadata



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# File 'lib/configuration_service/provider/stub_store.rb', line 70

def clear
  @configurations.clear
end

#delete(identifier) ⇒ Object

Delete configuration data and metadata

It is not an error to delete non-existent configuration

Parameters:

  • identifier (String) —

    the configuration identifier



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# File 'lib/configuration_service/provider/stub_store.rb', line 62

def delete(identifier)
  @configurations.delete(identifier)
  nil
end

#fetch(identifier) ⇒ Array<Hash>

Fetch configuration data and metadata

Parameters:

  • identifier (String) —

    the configuration identifier

Returns:

  • (Array<Hash>) —

    data and metadata as a tuple



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# File 'lib/configuration_service/provider/stub_store.rb', line 40

def fetch(identifier)
  @configurations.fetch(identifier)
end

#store(identifier, data, metadata) ⇒ Object

Store configuration data and metadata

Parameters:

  • identifier (String) —

    the configuration identifier

  • data (Hash) —

    the configuration data

  • metadata (Hash) —

    the configuration metadata



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# File 'lib/configuration_service/provider/stub_store.rb', line 51

def store(identifier, data, metadata)
  @configurations.store(identifier, [data, metadata])
end