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Contents
class OEHClient::Data::Node
attr_accessor :nodes
def initialize(data)
# Raise an exception if the data passed is not already a hash
# based on the type of object that is passed, create the proper attribute accessor
# to allow easy access to data. For example, a simple value in the structure called
# firstName will be represented in the object as my_structure.first_name. Simple
# object are represented as related node classes. For example a Preference node with
# an attribute of nonSmokingRoom will be represented as my_structure.preference.non_smoking_room
data.each do | key, value |
(value.kind_of?(Array) ? add_collection(key, value) : add_attribute(key, value))
end
end
private
# add_collection dynamically create an attr_accessor as an array of Oeh::Structure::Node
# classes related to the current instance of the object.
def add_collection(name, value_collection)
# initialize the array object that will act as the value of the attribute
node_collection = []
# for each hash in the array, add a new structure node
value_collection.each do | structure_node |
node_collection << OEHClient::Data::Structure.new(structure_node)
end
# add the arry of node objects to the accessor
add_attribute(name, node_collection)
end
# add_attribute dynamically creates an attr_accessor for the passed key_value pair either
# as a simple value attribute or as an instance of another Node class
def add_attribute(name, value)
# generate a ruby-friendly attribute accessor based on the name of the
# structure attribute
accessor_name = name.underscore
accessor_name.gsub!(/( )/, '_') if (accessor_name.match(/\s/))
# create the accessor in the current class and set the value based on the type
# of object that represents the value
self.class.send(:attr_accessor, accessor_name)
instance_variable_set("@#{accessor_name}", (value.kind_of?(Hash) ? OEHClient::Data::Node.new(value) : value))
end
end
Version data entries
9 entries across 9 versions & 1 rubygems