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Contents
module UniverseCompiler
module Utils
module WithUniqueName
module ClassMethods
DEFAULT_SEED = 'Unknown'.freeze
def set_name_seed(name_seed)
@name_seed = name_seed.to_s
end
def name_seed
@name_seed ||DEFAULT_SEED
end
def instances
@instances ||= {}
@instances.dup
end
def new_instance(name, *args)
check_name name
new_instance = new *args
@instance[name] = new_instance
new_instance
end
def set_name(name, object)
check_name name
old_name = instances.key object
@instances[old_name] = nil unless old_name.nil?
@instances[name] = object
end
def get_unique_name
'%s_%d' % [name_seed, instance_counter]
end
private
def instance_counter
@instance_counter ||= 0
@instance_counter += 1
@instance_counter
end
def check_name(name)
raise UniverseCompiler::Error, 'There is already an instance of %s named %s' % [self, name] unless instances[name].nil?
end
end
def name
defined_name = self.class.instances.key self
if defined_name.nil?
defined_name = self.class.get_unique_name
self.name = defined_name
end
defined_name
end
def name=(name)
self.class.set_name name, self
end
def self.included(base)
base.extend UniverseCompiler::Utils::WithUniqueName::ClassMethods
end
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems