Class: Replicate::Object

Inherits:
Object
  • Object
show all
Defined in:
lib/replicate/object.rb

Overview

Simple OpenStruct style object that supports the dump and load protocols. Useful in tests and also when you want to dump an object that doesn’t implement the dump and load methods.

>> object = Replicate::Object.new :name => 'Joe', :age => 24
>> object.age
>> 24
>> object.attributes
{ 'name' => 'Joe', 'age' => 24 }

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id = nil, attributes = {}) ⇒ Object

Returns a new instance of Object.



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# File 'lib/replicate/object.rb', line 16

def initialize(id=nil, attributes={})
  attributes, id = id, nil if id.is_a?(Hash)
  @id = id || self.class.generate_id
  self.attributes = attributes
end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes.



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# File 'lib/replicate/object.rb', line 14

def attributes
  @attributes
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/replicate/object.rb', line 13

def id
  @id
end

Class Method Details

.generate_id ⇒ Object 



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# File 'lib/replicate/object.rb', line 52

def self.generate_id
  @last_id ||= 0
  @last_id += 1
end

.load_replicant(type, id, attrs) ⇒ Object 



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# File 'lib/replicate/object.rb', line 47

def self.load_replicant(type, id, attrs)
  object = new(generate_id, attrs)
  [object.id, object]
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/replicate/object.rb', line 27

def [](key)
  @attributes[key.to_s]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/replicate/object.rb', line 31

def []=(key, value)
  @attributes[key.to_s] = value
end

#dump_replicant(dumper, opts = {}) ⇒ Object 



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# File 'lib/replicate/object.rb', line 43

def dump_replicant(dumper, opts={})
  dumper.write self.class, @id, @attributes, self
end

#write_attribute(key, value) ⇒ Object 



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# File 'lib/replicate/object.rb', line 35

def write_attribute(key, value)
  meta = (class<<self;self;end)
  meta.send(:define_method, key) { value }
  meta.send(:define_method, "#{key}=") { |val| write_attribute(key, val) }
  @attributes[key.to_s] = value
  value
end