Class: ActiveRecord::Associations::AssociationProxy

Inherits:
Object
  • Object
show all
Defined in:
lib/active_record/associations/association_proxy.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(owner, reflection) ⇒ AssociationProxy

Returns a new instance of AssociationProxy.



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# File 'lib/active_record/associations/association_proxy.rb', line 10

def initialize(owner, reflection)
  @owner, @reflection = owner, reflection
  Array(reflection.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, &block) ⇒ Object (private) 



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# File 'lib/active_record/associations/association_proxy.rb', line 121

def method_missing(method, *args, &block)
  if load_target        
    @target.send(method, *args, &block)
  end
end

Instance Attribute Details

#reflection ⇒ Object (readonly)

Returns the value of attribute reflection.



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# File 'lib/active_record/associations/association_proxy.rb', line 4

def reflection
  @reflection
end

Instance Method Details

#===(other) ⇒ Object

Explicitly proxy === because the instance method removal above doesn’t catch it.



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# File 'lib/active_record/associations/association_proxy.rb', line 34

def ===(other)
  load_target
  other === @target
end

#aliased_table_name ⇒ Object 



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# File 'lib/active_record/associations/association_proxy.rb', line 39

def aliased_table_name
  @reflection.klass.table_name
end

#conditions ⇒ Object Also known as: sql_conditions 



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# File 'lib/active_record/associations/association_proxy.rb', line 43

def conditions
  @conditions ||= interpolate_sql(sanitize_sql(@reflection.options[:conditions])) if @reflection.options[:conditions]
end

#loaded ⇒ Object 



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# File 'lib/active_record/associations/association_proxy.rb', line 62

def loaded
  @loaded = true
end

#loaded? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/associations/association_proxy.rb', line 58

def loaded?
  @loaded
end

#proxy_owner ⇒ Object 



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# File 'lib/active_record/associations/association_proxy.rb', line 16

def proxy_owner
  @owner
end

#proxy_reflection ⇒ Object 



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# File 'lib/active_record/associations/association_proxy.rb', line 20

def proxy_reflection
  @reflection
end

#proxy_respond_to? ⇒ Object 



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# File 'lib/active_record/associations/association_proxy.rb', line 5

alias_method :proxy_respond_to?, :respond_to?

#proxy_target ⇒ Object 



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# File 'lib/active_record/associations/association_proxy.rb', line 24

def proxy_target
  @target
end

#reload ⇒ Object 



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# File 'lib/active_record/associations/association_proxy.rb', line 53

def reload
  reset
  load_target
end

#reset ⇒ Object 



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# File 'lib/active_record/associations/association_proxy.rb', line 48

def reset
  @target = nil
  @loaded = false
end

#respond_to?(symbol, include_priv = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/associations/association_proxy.rb', line 28

def respond_to?(symbol, include_priv = false)
  proxy_respond_to?(symbol, include_priv) || (load_target && @target.respond_to?(symbol, include_priv))
end

#target ⇒ Object 



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# File 'lib/active_record/associations/association_proxy.rb', line 66

def target
  @target
end

#target=(target) ⇒ Object 



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# File 'lib/active_record/associations/association_proxy.rb', line 70

def target=(target)
  @target = target
  loaded
end