Class: DataType
- Inherits:
-
Object
- Object
- DataType
- Defined in:
- lib/ObjectModel/Types/DataType.rb
Class Method Summary collapse
- .initial_value(m, e) ⇒ Object
- .initialize_copy(m, e, c) ⇒ Object
- .load(m, e, storage) ⇒ Object
- .persist(c, entity_id, m, storage) ⇒ Object
- .validate_type(value) ⇒ Object
- .write_back(c, e, m) ⇒ Object
Class Method Details
.initial_value(m, e) ⇒ Object
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# File 'lib/ObjectModel/Types/DataType.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/DataType.rb', line 8 def initialize_copy m, e, c value = e.instance_variable_get(m.ivname) value_copy = value != nil ? Repository::StreamID.new(value.sid) : nil c[m.ivname] = value_copy end |
.load(m, e, storage) ⇒ Object
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# File 'lib/ObjectModel/Types/DataType.rb', line 20 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] == "STREAM_ID" stream_id = row[:value] value = stream_id == "nil" ? nil : Repository::StreamID.new(stream_id) e.instance_variable_set m.ivname, value end |
.persist(c, entity_id, m, storage) ⇒ Object
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# File 'lib/ObjectModel/Types/DataType.rb', line 29 def persist c, entity_id, m, storage value = c[m.ivname] stream_id = value == nil ? "nil" : value.sid storage[:entities_content].insert( :entity_id => entity_id, :name => m.name.to_s, :value => stream_id, :class => "STREAM_ID" ) end |
.validate_type(value) ⇒ Object
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# File 'lib/ObjectModel/Types/DataType.rb', line 40 def validate_type value value == nil or value.is_a? StreamID end |
.write_back(c, e, m) ⇒ Object
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# File 'lib/ObjectModel/Types/DataType.rb', line 14 def write_back c, e, m value = c[m.ivname] value.should! :be_a, [NilClass, Repository::StreamID] e.instance_variable_set m.ivname, value end |