Sha256: 06b7292a6819a8708fa4bf23518d00610c05a9a2d35d6da806240b76e151c3ff
Contents?: true
Size: 890 Bytes
Versions: 5
Compression:
Stored size: 890 Bytes
Contents
module Pickle
module Injector
def self.inject(delegate_class, options = {})
target_class = options[:into] || raise('inject requires a target class specified with :into')
delegate_name = options[:name] || delegate_class.name.underscore.gsub('/','_')
init_delegate = options[:init] || lambda { new }
# create a session object on demand (in target)
target_class.send(:define_method, delegate_name) do
instance_variable_get("@#{delegate_name}") || instance_variable_set("@#{delegate_name}", delegate_class.instance_eval(&init_delegate))
end
# in the target, delegate the public instance methods of delegate_class to the delegate_name method
delegate_methods = delegate_class.public_instance_methods - Object.instance_methods
target_class.delegate *(delegate_methods + [{:to => delegate_name}])
end
end
end
Version data entries
5 entries across 5 versions & 3 rubygems