Class: ActiveRecord::AttributeSet

Inherits:
Object
  • Object
show all
Defined in:
activerecord/lib/active_record/attribute_set.rb,
activerecord/lib/active_record/attribute_set/builder.rb,
activerecord/lib/active_record/attribute_set/yaml_encoder.rb

Overview

:nodoc:

Defined Under Namespace

Classes: Builder, YAMLEncoder

Instance Method Summary collapse

Constructor Details

#initialize(attributes) ⇒ AttributeSet

Returns a new instance of AttributeSet.



10
11
12
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 10

def initialize(attributes)
  @attributes = attributes
end

Instance Method Details

#==(other) ⇒ Object 



99
100
101
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 99

def ==(other)
  attributes == other.attributes
end

#[](name) ⇒ Object 



14
15
16
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 14

def [](name)
  attributes[name] || Attribute.null(name)
end

#[]=(name, value) ⇒ Object 



18
19
20
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 18

def []=(name, value)
  attributes[name] = value
end

#accessed ⇒ Object 



90
91
92
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 90

def accessed
  attributes.select { |_, attr| attr.has_been_read? }.keys
end

#deep_dup ⇒ Object 



68
69
70
71
72
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 68

def deep_dup
  self.class.allocate.tap do |copy|
    copy.instance_variable_set(:@attributes, attributes.deep_dup)
  end
end

#fetch_value(name) ⇒ Object

This form is significantly faster on JRuby, and this is one of our biggest hotspots. github.com/jruby/jruby/pull/2562



42
43
44
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 42

def fetch_value(name, &block)
  self[name].value(&block)
end

#freeze ⇒ Object 



63
64
65
66
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 63

def freeze
  @attributes.freeze
  super
end

#initialize_clone(_) ⇒ Object 



79
80
81
82
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 79

def initialize_clone(_)
  @attributes = attributes.clone
  super
end

#initialize_dup(_) ⇒ Object 



74
75
76
77
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 74

def initialize_dup(_)
  @attributes = attributes.dup
  super
end

#key?(name) ⇒ Boolean

Returns:

  • (Boolean) 


31
32
33
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 31

def key?(name)
  attributes.key?(name) && self[name].initialized?
end

#keys ⇒ Object 



35
36
37
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 35

def keys
  attributes.each_key.select { |name| self[name].initialized? }
end

#map(&block) ⇒ Object 



94
95
96
97
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 94

def map(&block)
  new_attributes = attributes.transform_values(&block)
  AttributeSet.new(new_attributes)
end

#reset(key) ⇒ Object 



84
85
86
87
88
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 84

def reset(key)
  if key?(key)
    write_from_database(key, nil)
  end
end

#to_hash ⇒ Object Also known as: to_h 



26
27
28
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 26

def to_hash
  initialized_attributes.transform_values(&:value)
end

#values_before_type_cast ⇒ Object 



22
23
24
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 22

def values_before_type_cast
  attributes.transform_values(&:value_before_type_cast)
end

#write_cast_value(name, value) ⇒ Object 



59
60
61
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 59

def write_cast_value(name, value)
  attributes[name] = self[name].with_cast_value(value)
end

#write_from_database(name, value) ⇒ Object 



51
52
53
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 51

def write_from_database(name, value)
  attributes[name] = self[name].with_value_from_database(value)
end

#write_from_user(name, value) ⇒ Object 



55
56
57
 
# File 'activerecord/lib/active_record/attribute_set.rb', line 55

def write_from_user(name, value)
  attributes[name] = self[name].with_value_from_user(value)
end