Class: Conflow::Redis::FieldBuilder::FieldAccessor Private

Inherits:
Module
  • Object
show all
Defined in:
lib/conflow/redis/field_builder.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

This dynamic module contains accessor methods for a field

Instance Method Summary collapse

Constructor Details

#initialize(field_name, klass, methods) ⇒ FieldAccessor

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Creates new dynamic module with accessor methods for a field



11
12
13
14
15
16
 
# File 'lib/conflow/redis/field_builder.rb', line 11

def initialize(field_name, klass, methods)
  super() do
    define_getter(field_name, klass) if methods.include?(:getter)
    define_setter(field_name) if methods.include?(:setter)
  end
end

Instance Method Details

#define_getter(field_name, klass) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Defines getter method, which will return proper Conflow::Redis::Field



19
20
21
22
23
24
25
26
 
# File 'lib/conflow/redis/field_builder.rb', line 19

def define_getter(field_name, klass)
  instance_var = "@#{field_name}"

  define_method(field_name) do
    instance_variable_get(instance_var) ||
      instance_variable_set(instance_var, klass.new([key, field_name].join(":")))
  end
end

#define_setter(field_name) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Setter uses Field#overwrite method to replace contents of the field



29
30
31
32
33
 
# File 'lib/conflow/redis/field_builder.rb', line 29

def define_setter(field_name)
  define_method("#{field_name}=") do |value|
    send(field_name).tap { |field| field.overwrite(value) }
  end
end