Module: Quandl::Cassandra::Base::Attributes

Extended by:
ActiveSupport::Concern
Defined in:
lib/quandl/cassandra/base/attributes.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#assign_attributes(hash) ⇒ Object 



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# File 'lib/quandl/cassandra/base/attributes.rb', line 62

def assign_attributes(hash)
  hash.each do |k,v|
    send("#{k}=", v) if self.class.attribute_names.include?(k) && respond_to?("#{k}=")
  end
end

#attributes ⇒ Object 



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# File 'lib/quandl/cassandra/base/attributes.rb', line 68

def attributes
  @attributes ||= self.class.attribute_names.inject({}){|m,k| m[k] ||= nil; m }
end

#attributes=(value) ⇒ Object 



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# File 'lib/quandl/cassandra/base/attributes.rb', line 72

def attributes=(value)
  @attributes = value.symbolize_keys! if value.is_a?(Hash)
end

#initialize(*args) ⇒ Object 



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# File 'lib/quandl/cassandra/base/attributes.rb', line 44

def initialize(*args)
  attrs = args.extract_options!
  @attributes = {}
  # result set attributes?
  result_set = attrs.delete(:_result_set) if attrs.has_key?(:_result_set)
  # assign
  if result_set.present? && result_set.is_a?(Hash)
    @attributes = result_set.symbolize_keys!
    self.new_record = false
  end
  # assign attributes
  self.assign_attributes(attrs)
end

#inspect ⇒ Object 



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# File 'lib/quandl/cassandra/base/attributes.rb', line 58

def inspect
  "#{self.class.name} " + attributes.inspect
end

#reload ⇒ Object 



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# File 'lib/quandl/cassandra/base/attributes.rb', line 76

def reload
  return false unless primary_key?
  clear_changes!
  reload_attributes
  true
end