Sha256: ed7fc6f7d87da3d2cc9b6d8dd1e44f3b8c030c3588766dbd8b76afd58d70fe35
Contents?: true
Size: 719 Bytes
Versions: 17
Compression:
Stored size: 719 Bytes
Contents
module DataMapper
##
#
# DataMapper's DependencyQueue is used to store callbacks for classes which
# may or may not be loaded already.
#
class DependencyQueue
def initialize
@dependencies = {}
end
def add(class_name, &callback)
@dependencies[class_name] ||= []
@dependencies[class_name] << callback
resolve!
end
def resolve!
@dependencies.each do |class_name, callbacks|
begin
klass = Object.find_const(class_name)
callbacks.each do |callback|
callback.call(klass)
end
callbacks.clear
rescue NameError
end
end
end
end # class DependencyQueue
end # module DataMapper
Version data entries
17 entries across 17 versions & 5 rubygems