Module: Ripple::Document::Persistence::InstanceMethods

Defined in:

ripple/lib/ripple/document/persistence.rb

Instance Attribute Summary (collapse)

• - (Object) robject

Instance Method Summary (collapse)

• - (Object) destroy

  Deletes the document from Riak and freezes this instance.

• - (Object) freeze

  Freezes the document, preventing further modification.

• - (Boolean) new?

  Determines whether this is a new document.

• - (Object) really_save(*args)
• - (Object) reload

  Reloads the document from Riak.

• - (true, false) save(*args)

  Saves the document in Riak.

• - (true, false) update_attribute(attribute, value)

  Updates a single attribute and then saves the document NOTE: THIS SKIPS VALIDATIONS! Use with caution.

• - (true, false) update_attributes(attrs)

  Writes new attributes and then saves the document.

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# File 'ripple/lib/ripple/document/persistence.rb', line 110

def robject
  @robject ||= Riak::RObject.new(self.class.bucket, key).tap do |obj|
    obj.content_type = "application/json"
  end
end

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# File 'ripple/lib/ripple/document/persistence.rb', line 95

def destroy
  robject.delete(self.class.quorums.slice(:rw)) unless new?
  freeze
  true
rescue Riak::FailedRequest
  false
end

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# File 'ripple/lib/ripple/document/persistence.rb', line 104

def freeze
  @attributes.freeze; super
end

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# File 'ripple/lib/ripple/document/persistence.rb', line 51

def new?
  @new || false
end

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# File 'ripple/lib/ripple/document/persistence.rb', line 76

def really_save(*args)
  robject.key = key if robject.key != key
  robject.data = attributes_for_persistence
  robject.store(self.class.quorums.slice(:w,:dw))
  self.key = robject.key
  @new = false
  true
end

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# File 'ripple/lib/ripple/document/persistence.rb', line 87

def reload
  return self if new?
  robject.reload(:force => true)
  self.__send__(:attributes=, @robject.data.except("_type"), false)
  self
end

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# File 'ripple/lib/ripple/document/persistence.rb', line 72

def save(*args)
  really_save(*args)
end

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# File 'ripple/lib/ripple/document/persistence.rb', line 58

def update_attribute(attribute, value)
  send("#{attribute}=", value)
  save(:validate => false)
end

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# File 'ripple/lib/ripple/document/persistence.rb', line 65

def update_attributes(attrs)
  self.attributes = attrs
  save
end