Class: ActiveRecord::TypedStore::TypedHash

Inherits:
HashWithIndifferentAccess
  • Object
show all
Defined in:
lib/active_record/typed_store/typed_hash.rb

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(constructor = {}) ⇒ TypedHash

Returns a new instance of TypedHash.



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# File 'lib/active_record/typed_store/typed_hash.rb', line 23

def initialize(constructor={})
  super()
  update(defaults_hash)
  update(constructor.to_h) if constructor.respond_to?(:to_h)
end

Class Attribute Details

.fields ⇒ Object (readonly)

Returns the value of attribute fields.



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# File 'lib/active_record/typed_store/typed_hash.rb', line 7

def fields
  @fields
end

Class Method Details

.create(fields) ⇒ Object 



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# File 'lib/active_record/typed_store/typed_hash.rb', line 9

def create(fields)
  Class.new(self) do
    @fields = fields.index_by { |c| c.name.to_s }
  end
end

.defaults_hash ⇒ Object 



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# File 'lib/active_record/typed_store/typed_hash.rb', line 15

def defaults_hash
  Hash[fields.values.select(&:has_default?).map { |c| [c.name, c.default] }]
end

Instance Method Details

#[]=(key, value) ⇒ Object Also known as: store 



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# File 'lib/active_record/typed_store/typed_hash.rb', line 29

def []=(key, value)
  super(key, cast_value(key, value))
end

#merge!(other_hash) ⇒ Object Also known as: update 



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# File 'lib/active_record/typed_store/typed_hash.rb', line 34

def merge!(other_hash)
  other_hash.each_pair do |key, value|
    if block_given? && key?(key)
      value = yield(convert_key(key), self[key], value)
    end
    self[convert_key(key)] = convert_value(value)
  end
  self
end