Class: Dcr::InstanceMethodHistory

Inherits:
History
  • Object
show all
Defined in:
lib/dcr/instance_method_history.rb

Instance Attribute Summary

Attributes inherited from History

#track

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from History

#add_to_track, #caller_not_from_dcr, #initialize, #list, of, #pop_all_track, #pop_last_track, #warn_if_no_org_methods

Constructor Details

This class inherits a constructor from Dcr::History

Class Method Details

.ivar ⇒ Object 



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# File 'lib/dcr/instance_method_history.rb', line 5

def self.ivar
  :@_dcr_im
end

Instance Method Details

#commit(method_name, &decorator) ⇒ Object 



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# File 'lib/dcr/instance_method_history.rb', line 13

def commit method_name, &decorator
  unbound_org_method = klass.instance_method method_name

  new_method = lambda do |*args|
    bound_method = unbound_org_method.bind self
    decorator.call bound_method, *args
  end

  klass.class_eval do
    define_method method_name, &new_method
  end

  add_to_track unbound_org_method
end

#klass ⇒ Object 



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# File 'lib/dcr/instance_method_history.rb', line 9

def klass
  @object
end

#rollback(method_name) ⇒ Object 



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# File 'lib/dcr/instance_method_history.rb', line 28

def rollback method_name
  org_method = pop_last_track method_name
  klass.send :define_method, method_name, org_method
end

#rollback_all(method_name) ⇒ Object 



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# File 'lib/dcr/instance_method_history.rb', line 33

def rollback_all method_name
  org_method = pop_all_track method_name
  klass.send :define_method, method_name, org_method
end