Class: NumberType

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

Class Method Summary collapse

Class Method Details

.initial_value(m, e) ⇒ Object 



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# File 'lib/ObjectModel/Types/NumberType.rb', line 3

def initial_value m, e
  0
#     e.instance_variable_set m.ivname, 0
end

.initialize_copy(m, e, c) ⇒ Object 



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# File 'lib/ObjectModel/Types/NumberType.rb', line 8

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

.load(m, e, storage) ⇒ Object

Raises:



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# File 'lib/ObjectModel/Types/NumberType.rb', line 29

def load m, e, storage  
  row = storage[:entities_content][:entity_id => e.entity_id, :name => m.name.to_s]    
  raise LoadError unless row
  value = load_number row[:value], row[:class]
  
  e.instance_variable_set m.ivname, value
end

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



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# File 'lib/ObjectModel/Types/NumberType.rb', line 19

def persist c, entity_id, m, storage          
  value, klass = dump_number c[m.ivname]
  storage[:entities_content].insert(
                                    :entity_id => entity_id, 
                                    :name => m.name.to_s,
                                    :value =>value,
                                    :class => klass
  )      
end

.validate_type(value) ⇒ Object 



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# File 'lib/ObjectModel/Types/NumberType.rb', line 37

def validate_type value
  value.is_a? Numeric
end

.write_back(c, e, m) ⇒ Object 



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# File 'lib/ObjectModel/Types/NumberType.rb', line 13

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