Sha256: 222f72eea4900f00a2d9c680e91ee4ba7f8d8bcd821b0a3ba6cc70081e27a8de
Contents?: true
Size: 1.75 KB
Versions: 17
Compression:
Stored size: 1.75 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.is_a? 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 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: 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|
__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
17 entries across 17 versions & 1 rubygems