Class: Datacaster::Runtimes::ObjectContext

Inherits:
Base
  • Object
show all
Defined in:
lib/datacaster/runtimes/object_context.rb

Instance Attribute Summary

Attributes inherited from Base

#reserved_instance_variables

Instance Method Summary collapse

Methods inherited from Base

#Failure, #Success, call, #inspect, not_found!, send_to_parent, #to_s

Constructor Details

#initialize(parent, object) ⇒ ObjectContext

Returns a new instance of ObjectContext.



6
7
8
9
10
11
 
# File 'lib/datacaster/runtimes/object_context.rb', line 6

def initialize(parent, object)
  super(parent)
  @object = object

  @reserved_instance_variables += instance_variables
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args, &block) ⇒ Object 



13
14
15
16
17
18
19
 
# File 'lib/datacaster/runtimes/object_context.rb', line 13

def method_missing(m, *args, &block)
  if @object.respond_to?(m)
    @object.public_send(m, *args, &block)
  else
    super
  end
end

Instance Method Details

#after_call!(sender) ⇒ Object 



25
26
27
28
29
30
31
 
# File 'lib/datacaster/runtimes/object_context.rb', line 25

def after_call!(sender)
  (sender.instance_variables.to_set - sender.reserved_instance_variables).each do |k|
    @object.instance_variable_set(k, sender.instance_variable_get(k))
    sender.remove_instance_variable(k)
  end
  super
end

#before_call!(sender) ⇒ Object 



33
34
35
36
37
38
 
# File 'lib/datacaster/runtimes/object_context.rb', line 33

def before_call!(sender)
  super
  (@object.instance_variables.to_set - sender.reserved_instance_variables).each do |k|
    sender.instance_variable_set(k, @object.instance_variable_get(k))
  end
end

#respond_to_missing?(m, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


21
22
23
 
# File 'lib/datacaster/runtimes/object_context.rb', line 21

def respond_to_missing?(m, include_private = false)
  @object.respond_to?(m, include_private) || super
end