module DataMapper::Property::Discriminator::Model
Public Instance Methods
inherited(model)
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Calls superclass method
# File lib/dm-core/property/discriminator.rb, line 15 def inherited(model) super # setup self.descendants set_discriminator_scope_for(model) end
new(*args, &block)
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Calls superclass method
# File lib/dm-core/property/discriminator.rb, line 20 def new(*args, &block) if args.size == 1 && args.first.kind_of?(Hash) discriminator = properties(repository_name).discriminator if discriminator_value = args.first[discriminator.name] model = discriminator.typecast_to_primitive(discriminator_value) if model.kind_of?(Model) && !model.equal?(self) return model.new(*args, &block) end end end super end
Private Instance Methods
set_discriminator_scope_for(model)
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# File lib/dm-core/property/discriminator.rb, line 38 def set_discriminator_scope_for(model) discriminator = self.properties.discriminator default_scope = model.default_scope(discriminator.repository_name) default_scope.update(discriminator.name => model.descendants.dup << model) end