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Contents
module ActiveTriples
require_relative 'configuration/item'
require_relative 'configuration/merge_item'
require_relative 'configuration/item_factory'
##
# Class which contains configuration for RDFSources.
class Configuration
attr_accessor :inner_hash
# @param [Hash] options the configuration options.
def initialize(options={})
@inner_hash = Hash[options.to_a]
end
# Merges this configuration with other configuration options. This uses
# reflection setters to handle special cases like :type.
#
# @param [Hash] options configuration options to merge in.
# @return [ActiveTriples::Configuration] the configuration object which is a
# result of merging.
def merge(options)
new_config = Configuration.new(options)
new_config.items.each do |property, item|
build_configuration_item(property).set item.value
end
self
end
# Returns a hash with keys as the configuration property and values as
# reflections which know how to set a new value to it.
#
# @return [Hash{Symbol => ActiveTriples::Configuration::Item}]
def items
to_h.each_with_object({}) do |config_value, hsh|
key = config_value.first
hsh[key] = build_configuration_item(key)
end
end
# Returns the configured value for an option
#
# @return the configured value
def [](value)
to_h[value]
end
# Returns the available configured options as a hash.
#
# This filters the options the class is initialized with.
#
# @return [Hash{Symbol => String, ::RDF::URI}]
def to_h
@inner_hash.slice(*valid_config_options)
end
protected
def build_configuration_item(key)
configuration_item_factory.new(self, key)
end
private
def configuration_item_factory
@configuration_item_factory ||= ItemFactory.new
end
def valid_config_options
[:base_uri, :rdf_label, :type, :repository]
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems