Class: Granite::Form::Model::Associations::ReferencesOne
Instance Attribute Summary
Attributes inherited from Base
#owner, #reflection
Instance Method Summary
collapse
#scope
Methods inherited from Base
#callback, #evar_loaded?, #initialize, #inspect, #loaded!, #loaded?, #reload, #reset, #target, #transaction
Instance Method Details
#default ⇒ Object
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# File 'lib/granite/form/model/associations/references_one.rb', line 16
def default
return if evar_loaded?
default = reflection.default(owner)
return unless default
case default
when reflection.persistence_adapter.data_type
default
when Hash
build_object(default)
else
reflection.persistence_adapter.find_one(owner, default)
end
end
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#identify ⇒ Object
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# File 'lib/granite/form/model/associations/references_one.rb', line 53
def identify
reflection.persistence_adapter.identify(target)
end
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#load_target ⇒ Object
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# File 'lib/granite/form/model/associations/references_one.rb', line 11
def load_target
source = read_source
source ? reflection.persistence_adapter.find_one(owner, source) : default
end
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#reader(force_reload = false) ⇒ Object
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# File 'lib/granite/form/model/associations/references_one.rb', line 33
def reader(force_reload = false)
reset if force_reload
target
end
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#replace(object) ⇒ Object
Also known as:
writer
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# File 'lib/granite/form/model/associations/references_one.rb', line 38
def replace(object)
raise_type_mismatch(object) unless object.nil? || matches_type?(object)
transaction do
attribute.pollute do
self.target = object
write_source identify
end
end
target
end
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#target=(object) ⇒ Object
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# File 'lib/granite/form/model/associations/references_one.rb', line 6
def target=(object)
loaded!
@target = object
end
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