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