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module UniverseCompiler
module Entity
module FieldManagement
attr_accessor :auto_create_fields
def method_missing(method_name, *args)
if auto_create_fields
candidate_field_name = method_name
method_name.to_s.match (/^(?<field_name>[^=]+)\s*=?$/) do |md|
candidate_field_name = md['field_name'].to_sym
end
define_field_accessor candidate_field_name
raise "Invalid method '#{method_name}' in #{self}" unless self.respond_to? method_name
self.send method_name, *args
else
super(method_name, *args)
end
end
private
def define_known_fields_accessors
self.class.fields_constraints.each do |field_name, constraints|
define_field_accessor field_name
if fields[field_name].nil?
fields[field_name] = [] if constraints[:has_many] || constraints[:is_array]
fields[field_name] = {} if constraints[:is_hash]
end
end
end
def define_field_accessor(field_name)
metaclass = class << self; self ; end
UniverseCompiler.logger.debug 'Defining field accessor %s on class %s (%s)' % [field_name, metaclass, self.type]
if self.respond_to? field_name or self.respond_to? "#{field_name}="
UniverseCompiler.logger.warn "Cannot define '#{field_name}' or '#{field_name}=' which already exist(s) on class '#{metaclass}' !"
else
metaclass.instance_eval do
define_method field_name do
fields[field_name]
end
end
metaclass.instance_eval do
define_method "#{field_name}=" do |value|
fields[field_name] = value
end
end
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems