Class: DateType

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

Class Method Summary collapse

Class Method Details

.initial_value(m, e) ⇒ Object 



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

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

.initialize_copy(m, e, c) ⇒ Object 



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

def initialize_copy m, e, c
  value = e.instance_variable_get(m.ivname)
  value_copy = value != nil ? value.clone : nil
  c[m.ivname] = value_copy
end

.load(m, e, storage) ⇒ Object

Raises:



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# File 'lib/ObjectModel/Types/DateType.rb', line 31

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] == "DATE"     
  
  value = row[:value]
  e.instance_variable_set m.ivname, (value == "nil" ? nil : DateTime.parse(value))
end

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



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# File 'lib/ObjectModel/Types/DateType.rb', line 20

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

.validate_type(value) ⇒ Object 



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# File 'lib/ObjectModel/Types/DateType.rb', line 39

def validate_type value
  value == nil or value.is_a? DateTime
end

.write_back(c, e, m) ⇒ Object 



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# File 'lib/ObjectModel/Types/DateType.rb', line 14

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