Class: MongoMapper::Associations::Proxy

Inherits:
BasicObject
Defined in:
lib/mongo_mapper/associations/proxy.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(owner, association) ⇒ Proxy

Returns a new instance of Proxy.



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# File 'lib/mongo_mapper/associations/proxy.rb', line 6

def initialize(owner, association)
  @owner = owner
  @association = association
  @association.options[:extend].each { |ext| class << self; self; end.instance_eval { include ext } }
  reset
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object (protected) 



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# File 'lib/mongo_mapper/associations/proxy.rb', line 53

def method_missing(method, *args, &block)
  if load_target
    if block.nil?
      @target.send(method, *args)
    else
      @target.send(method, *args)  { |*block_args| block.call(*block_args) }
    end
  end
end

Instance Attribute Details

#association ⇒ Object (readonly)

Returns the value of attribute association.



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# File 'lib/mongo_mapper/associations/proxy.rb', line 4

def association
  @association
end

#owner ⇒ Object (readonly)

Returns the value of attribute owner.



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# File 'lib/mongo_mapper/associations/proxy.rb', line 4

def owner
  @owner
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/mongo_mapper/associations/proxy.rb', line 42

def inspect
  load_target
  @target.inspect
end

#nil? ⇒ Boolean

Returns:



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# File 'lib/mongo_mapper/associations/proxy.rb', line 47

def nil?
  load_target
  @target.nil?
end

#reload_target ⇒ Object 



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# File 'lib/mongo_mapper/associations/proxy.rb', line 21

def reload_target
  reset
  load_target
  self
end

#replace(v) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/mongo_mapper/associations/proxy.rb', line 38

def replace(v)
  raise NotImplementedError
end

#reset ⇒ Object 



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# File 'lib/mongo_mapper/associations/proxy.rb', line 17

def reset
  @target = nil
end

#respond_to?(*methods) ⇒ Boolean

Returns:



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# File 'lib/mongo_mapper/associations/proxy.rb', line 13

def respond_to?(*methods)
  (load_target && @target.respond_to?(*methods))
end

#send(method, *args) ⇒ Object 



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# File 'lib/mongo_mapper/associations/proxy.rb', line 27

def send(method, *args)
  metaclass_instance_methods = class << self; self; end.instance_methods
  
  if metaclass_instance_methods.any? { |m| m.to_s == method.to_s }
    return __send__(method, *args)
  end
  
  load_target
  @target.send(method, *args)
end