Class: BooleanType

Inherits:
Object
  • Object
show all
Defined in:
lib/ObjectModel/Types/BooleanType.rb

Class Method Summary collapse

Class Method Details

.initial_value(m, e) ⇒ Object 



5
6
7
8
 
# File 'lib/ObjectModel/Types/BooleanType.rb', line 5

def initial_value m, e
  false
#     e.instance_variable_set m.ivname, false
end

.initialize_copy(m, e, c) ⇒ Object 



10
11
12
13
 
# File 'lib/ObjectModel/Types/BooleanType.rb', line 10

def initialize_copy m, e, c
  value_copy = e.instance_variable_get(m.ivname).copy
  c[m.ivname] = value_copy
end

.load(m, e, storage) ⇒ Object

Raises:



15
16
17
18
19
20
 
# File 'lib/ObjectModel/Types/BooleanType.rb', line 15

def load m, e, storage  
  row = storage[:entities_content][:entity_id => e.entity_id, :name => m.name.to_s]      
  raise LoadError unless row and row[:class] == "BOOLEAN"      
  
  e.instance_variable_set m.ivname, (row[:value] == "false" ? false : true)
end

.persist(c, entity_id, m, storage) ⇒ Object 



22
23
24
25
26
27
28
29
30
 
# File 'lib/ObjectModel/Types/BooleanType.rb', line 22

def persist c, entity_id, m, storage          
  value = c[m.ivname] ? "true" : "false"
  storage[:entities_content].insert(
                        :entity_id => entity_id, 
                        :name => m.name.to_s,
                        :value => value,
                        :class => "BOOLEAN"
  )      
end

.validate_type(value) ⇒ Object 



38
39
40
 
# File 'lib/ObjectModel/Types/BooleanType.rb', line 38

def validate_type value
  value == true or value == false
end

.write_back(c, e, m) ⇒ Object 



32
33
34
35
36
 
# File 'lib/ObjectModel/Types/BooleanType.rb', line 32

def write_back c, e, m
  value = c[m.ivname]
  value.should! :be_a, [TrueClass, FalseClass]
  e.instance_variable_set m.ivname, value
end