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.



6
7
8
9
10
11
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 6

def initialize(owner, association)
  @owner = owner
  @association = association
  @association.options[:extend].each { |ext| proxy_extend(ext) }
  reset
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

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



48
49
50
51
52
53
54
55
56
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 48

def method_missing(method, *args)
  if load_target
    if block_given?
      @target.send(method, *args)  { |*block_args| yield(*block_args) }
    else
      @target.send(method, *args)
    end
  end
end

Instance Attribute Details

#association ⇒ Object (readonly)

Returns the value of attribute association.



4
5
6
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 4

def association
  @association
end

#owner ⇒ Object (readonly)

Returns the value of attribute owner.



4
5
6
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 4

def owner
  @owner
end

Instance Method Details

#inspect ⇒ Object 



37
38
39
40
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 37

def inspect
  load_target
  @target.inspect
end

#nil? ⇒ Boolean

Returns:



42
43
44
45
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 42

def nil?
  load_target
  @target.nil?
end

#reload_target ⇒ Object 



21
22
23
24
25
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 21

def reload_target
  reset
  load_target
  self
end

#replace(v) ⇒ Object

Raises:

  • (NotImplementedError) 


33
34
35
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 33

def replace(v)
  raise NotImplementedError
end

#reset ⇒ Object 



17
18
19
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 17

def reset
  @target = nil
end

#respond_to?(*methods) ⇒ Boolean

Returns:



13
14
15
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 13

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

#send(method, *args) ⇒ Object 



27
28
29
30
31
 
# File 'lib/mongo_mapper/associations/proxy.rb', line 27

def send(method, *args)
  return super if methods.include?(method.to_s)
  load_target
  @target.send(method, *args)
end