Module: MotionDataWrapper::Model::Persistence

Included in:
MotionDataWrapper::Model
Defined in:
lib/motion_data_wrapper/model/persistence.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/motion_data_wrapper/model/persistence.rb', line 5

def self.included(base)
  base.extend(ClassMethods)
end

Instance Method Details

#awakeFromFetch ⇒ Object 



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# File 'lib/motion_data_wrapper/model/persistence.rb', line 36

def awakeFromFetch
  super
  after_fetch if respond_to? :after_fetch
end

#awakeFromInsert ⇒ Object 



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# File 'lib/motion_data_wrapper/model/persistence.rb', line 41

def awakeFromInsert
  super
  after_fetch if respond_to? :after_fetch
end

#destroy ⇒ Object 



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# File 'lib/motion_data_wrapper/model/persistence.rb', line 46

def destroy

  if context = managedObjectContext
    before_destroy_callback
    context.deleteObject(self)
    error = Pointer.new(:object)
    if context.save(error)
      @destroyed = true
      after_destroy_callback
      freeze
    end
  end

end

#destroyed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/motion_data_wrapper/model/persistence.rb', line 61

def destroyed?
  @destroyed || false
end

#new_record? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/motion_data_wrapper/model/persistence.rb', line 65

def new_record?
  @new_record || false
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/motion_data_wrapper/model/persistence.rb', line 69

def persisted?
  !(new_record? || destroyed?)
end

#save ⇒ Object 



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# File 'lib/motion_data_wrapper/model/persistence.rb', line 73

def save
  begin
    save!
  rescue MotionDataWrapper::RecordNotSaved
    return false
  end
  true
end

#save! ⇒ Object 



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# File 'lib/motion_data_wrapper/model/persistence.rb', line 82

def save!        
  unless context = managedObjectContext
    context = App.delegate.managedObjectContext
    context.insertObject(self)
  end

  before_save_callback
  error = Pointer.new(:object)
  unless context.save(error)
    managedObjectContext.deleteObject(self)
    raise MotionDataWrapper::RecordNotSaved, self and return false
  end
  instance_variable_set('@new_record', false)
  after_save_callback

  true
end