Module: MongoODM::Document::Persistence::InstanceMethods

Defined in:
lib/mongo_odm/document/persistence.rb

Instance Method Summary collapse

Instance Method Details

#destroy ⇒ Object 



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# File 'lib/mongo_odm/document/persistence.rb', line 47

def destroy
  return false if new_record?
  _run_destroy_callbacks do
    self.class.remove({ :_id => self.id })
  end
end

#id ⇒ Object 



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# File 'lib/mongo_odm/document/persistence.rb', line 12

def id
  attributes[:_id]
end

#new_record? ⇒ Boolean

Returns:



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# File 'lib/mongo_odm/document/persistence.rb', line 16

def new_record?
  id.nil?
end

#persisted? ⇒ Boolean

Returns:



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# File 'lib/mongo_odm/document/persistence.rb', line 20

def persisted?
  !new_record?
end

#reload ⇒ Object 



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# File 'lib/mongo_odm/document/persistence.rb', line 24

def reload
  self.load_attributes_or_defaults(self.class.find_one(:_id => id).attributes) unless new_record?
end

#save(options = {}) ⇒ ObjectId

Save a document to its collection.

Parameters:

  • opts (Hash) —

    a customizable set of options

Returns:

  • (ObjectId) —

    the _id of the saved document.



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# File 'lib/mongo_odm/document/persistence.rb', line 36

def save(options = {})
  _run_save_callbacks do
    write_attribute(:_id, self.class.save(to_mongo, options))
  end
end

#to_dbref ⇒ Object 



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# File 'lib/mongo_odm/document/persistence.rb', line 61

def to_dbref
  BSON::DBRef.new(self.class.collection.name, _id)
end

#to_mongo ⇒ Object 



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# File 'lib/mongo_odm/document/persistence.rb', line 54

def to_mongo
  attributes.inject({}) do |attrs, (key, value)|
    attrs[key] = value.to_mongo unless value.nil? # self.class.fields[key].default == value
    attrs
  end
end

#update_attributes(attributes) ⇒ Object 



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# File 'lib/mongo_odm/document/persistence.rb', line 42

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