Module: CassandraObject::Persistence

Extended by:
ActiveSupport::Concern
Included in:
Base
Defined in:
lib/cassandra_object/persistence.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#becomes(klass) ⇒ Object 



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# File 'lib/cassandra_object/persistence.rb', line 173

def becomes(klass)
  became = klass.new
  became.instance_variable_set('@attributes', @attributes)
  became.instance_variable_set('@new_record', new_record?)
  became.instance_variable_set('@destroyed', destroyed?)
  became
end

#destroy ⇒ Object 



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# File 'lib/cassandra_object/persistence.rb', line 152

def destroy
  self.class.remove(id)
  @destroyed = true
end

#destroyed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cassandra_object/persistence.rb', line 140

def destroyed?
  @destroyed
end

#new_record? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cassandra_object/persistence.rb', line 136

def new_record?
  @new_record
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cassandra_object/persistence.rb', line 144

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

#reload ⇒ Object 



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# File 'lib/cassandra_object/persistence.rb', line 181

def reload
  clear_belongs_to_cache
  @attributes = self.class.find(id).instance_variable_get('@attributes')
  self
end

#save ⇒ Object 



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# File 'lib/cassandra_object/persistence.rb', line 148

def save(*)
  new_record? ? create : update
end

#update_attribute(name, value) ⇒ Object 



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# File 'lib/cassandra_object/persistence.rb', line 157

def update_attribute(name, value)
  name = name.to_s
  send("#{name}=", value)
  save(validate: false)
end

#update_attributes(attributes) ⇒ Object 



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# File 'lib/cassandra_object/persistence.rb', line 163

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

#update_attributes!(attributes) ⇒ Object 



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# File 'lib/cassandra_object/persistence.rb', line 168

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