Class: ActiveModel::AttributeSet

Inherits:
Object
  • Object
show all
Defined in:
lib/active_model/attribute_set.rb,
lib/active_model/attribute_set/builder.rb,
lib/active_model/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.



11
12
13
 
# File 'lib/active_model/attribute_set.rb', line 11

def initialize(attributes)
  @attributes = attributes
end

Instance Method Details

#==(other) ⇒ Object 



100
101
102
 
# File 'lib/active_model/attribute_set.rb', line 100

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

#[](name) ⇒ Object 



15
16
17
 
# File 'lib/active_model/attribute_set.rb', line 15

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

#[]=(name, value) ⇒ Object 



19
20
21
 
# File 'lib/active_model/attribute_set.rb', line 19

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

#accessed ⇒ Object 



91
92
93
 
# File 'lib/active_model/attribute_set.rb', line 91

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

#deep_dup ⇒ Object 



69
70
71
72
73
 
# File 'lib/active_model/attribute_set.rb', line 69

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



43
44
45
 
# File 'lib/active_model/attribute_set.rb', line 43

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

#freeze ⇒ Object 



64
65
66
67
 
# File 'lib/active_model/attribute_set.rb', line 64

def freeze
  @attributes.freeze
  super
end

#initialize_clone(_) ⇒ Object 



80
81
82
83
 
# File 'lib/active_model/attribute_set.rb', line 80

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

#initialize_dup(_) ⇒ Object 



75
76
77
78
 
# File 'lib/active_model/attribute_set.rb', line 75

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

#key?(name) ⇒ Boolean

Returns:

  • (Boolean) 


32
33
34
 
# File 'lib/active_model/attribute_set.rb', line 32

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

#keys ⇒ Object 



36
37
38
 
# File 'lib/active_model/attribute_set.rb', line 36

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

#map(&block) ⇒ Object 



95
96
97
98
 
# File 'lib/active_model/attribute_set.rb', line 95

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

#reset(key) ⇒ Object 



85
86
87
88
89
 
# File 'lib/active_model/attribute_set.rb', line 85

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

#to_hash ⇒ Object Also known as: to_h 



27
28
29
 
# File 'lib/active_model/attribute_set.rb', line 27

def to_hash
  initialized_attributes.transform_values(&:value)
end

#values_before_type_cast ⇒ Object 



23
24
25
 
# File 'lib/active_model/attribute_set.rb', line 23

def values_before_type_cast
  attributes.transform_values(&:value_before_type_cast)
end

#write_cast_value(name, value) ⇒ Object 



60
61
62
 
# File 'lib/active_model/attribute_set.rb', line 60

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

#write_from_database(name, value) ⇒ Object 



52
53
54
 
# File 'lib/active_model/attribute_set.rb', line 52

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

#write_from_user(name, value) ⇒ Object 



56
57
58
 
# File 'lib/active_model/attribute_set.rb', line 56

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