Sha256: ea81ace0c950083dd772cd94a937bd4da0313286cc98076b051f6f7cf2b21ee2
Contents?: true
Size: 1.78 KB
Versions: 8
Compression:
Stored size: 1.78 KB
Contents
# poorly-optimized, but handy, mixin for Hash and Model examples.
# primarily enables support for lazy values.
module Attributor
module ExampleMixin
def self.extended(obj)
if obj.kind_of? Attributor::Model
obj.class.attributes.each do |name, _|
obj.define_singleton_method(name) do
get(name)
end
end
end
end
def lazy_attributes
@lazy_attributes ||= {}
end
def lazy_attributes=(val)
@lazy_attributes = val
end
def [](k)
unless @contents.key?(k)
if (proc = lazy_attributes.delete k)
@contents[k] = proc.call
end
end
@contents[k]
end
def []=(k,v)
lazy_attributes.delete k
@contents[k] = v
end
def each(&block)
contents.each(&block)
end
alias_method :each_pair, :each
def values
contents.values
end
def empty?
contents.empty?
end
def size
keys.size
end
def keys
@contents.keys | lazy_attributes.keys
end
def key?(key)
@contents.key?(key) || lazy_attributes.key?(key)
end
def get(key, context: self.generate_subcontext(Attributor::DEFAULT_ROOT_CONTEXT,key))
key = self.class.key_attribute.load(key, context)
unless @contents.key? key
if lazy_attributes.key?(key)
proc = lazy_attributes.delete(key)
@contents[key] = proc.call(self)
end
end
super
end
def attributes
lazy_attributes.keys.each do |name|
self.__send__(name)
end
super
end
def contents
lazy_attributes.keys.each do |key|
proc = lazy_attributes.delete(key)
@contents[key] = proc.call(self) unless @contents.key?(key)
end
super
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems