Class: ActiveRecord::Associations::AssociationCollection

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

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(owner, association_name, association_class_name, association_class_primary_key_name, options) ⇒ AssociationCollection

Returns a new instance of AssociationCollection.



7
8
9
10
11
12
13
 
# File 'lib/active_record/associations/association_collection.rb', line 7

def initialize(owner, association_name, association_class_name, association_class_primary_key_name, options)
  @owner = owner
  @options = options
  @association_name = association_name
  @association_class = eval(association_class_name)
  @association_class_primary_key_name = association_class_primary_key_name
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

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



15
16
17
18
 
# File 'lib/active_record/associations/association_collection.rb', line 15

def method_missing(symbol, *args, &block)
  load_collection_to_array
  @collection_array.send(symbol, *args, &block)
end

Instance Method Details

#concat(*records) ⇒ Object 



33
34
35
36
 
# File 'lib/active_record/associations/association_collection.rb', line 33

def concat(*records)
  records.flatten!
  records.each {|record| self << record; }
end

#destroy_all ⇒ Object 



38
39
40
41
42
 
# File 'lib/active_record/associations/association_collection.rb', line 38

def destroy_all
  load_collection_to_array
  @collection_array.each { |object| object.destroy  }
  @collection_array = []
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


48
49
50
 
# File 'lib/active_record/associations/association_collection.rb', line 48

def empty?
  size == 0
end

#proxy_respond_to? ⇒ Object 



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

alias_method :proxy_respond_to?, :respond_to?

#reload ⇒ Object 



29
30
31
 
# File 'lib/active_record/associations/association_collection.rb', line 29

def reload
  @collection_array = nil
end

#respond_to?(symbol) ⇒ Boolean

Returns:

  • (Boolean) 


25
26
27
 
# File 'lib/active_record/associations/association_collection.rb', line 25

def respond_to?(symbol)
  proxy_respond_to?(symbol) || [].respond_to?(symbol)
end

#size ⇒ Object Also known as: length 



44
45
46
 
# File 'lib/active_record/associations/association_collection.rb', line 44

def size
  (@collection_array.nil?) ? count_records : @collection_array.size
end

#to_ary ⇒ Object 



20
21
22
23
 
# File 'lib/active_record/associations/association_collection.rb', line 20

def to_ary
  load_collection_to_array
  @collection_array.to_ary
end