Class: Event

Inherits:
Object
  • Object
show all
Defined in:
lib/universum/universum.rb

Overview

base class for events

Class Method Summary collapse

Class Method Details

.build_class(*fields) ⇒ Object Also known as: new

return a new Struct-like read-only class



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# File 'lib/universum/universum.rb', line 426

def self.build_class( *fields )
  klass = Class.new( Event ) do
    define_method( :initialize ) do |*args|
      fields.zip( args ).each do |field, arg|
        instance_variable_set( "@#{field}", arg )
      end
    end

    fields.each do |field|
      define_method( field ) do
        instance_variable_get( "@#{field}" )
      end
    end
  end

  ## add self.new too - note: call/forward to "old" orginal self.new of Event (base) class
  klass.define_singleton_method( :new ) do |*args|
    old_new( *args )
  end

  klass
end