Class: Dynamoid::TransactionWrite::Delete

Inherits:
Action
  • Object
show all
Defined in:
lib/dynamoid/transaction_write/delete.rb

Constant Summary

Constants inherited from Action

Action::VALID_OPTIONS

Instance Attribute Summary

Attributes inherited from Action

#additions, #attributes, #deletions, #model, #options, #removals

Instance Method Summary collapse

Methods inherited from Action

#add, #add_timestamps, #changes_applied, #delete, #find_from_attributes, #hash_key, #model_class, #raise_validation_error?, #range_key, #run_callbacks, #sanitize_item, #set, #skip_callbacks?, #skip_validation?, #touch_model_timestamps, #valid?, #write_attributes_to_model

Constructor Details

#initialize(model_or_model_class, key_or_attributes = {}, options = {}) ⇒ Delete

a model is not needed since callbacks are not run

Raises:



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# File 'lib/dynamoid/transaction_write/delete.rb', line 9

def initialize(model_or_model_class, key_or_attributes = {}, options = {})
  options = options.reverse_merge(skip_validation: true)
  super(model_or_model_class, {}, options)
  self.attributes = if key_or_attributes.is_a?(Hash)
                      key_or_attributes
                    else
                      {
                        model_class.hash_key => key_or_attributes
                      }
                    end
  raise Dynamoid::Errors::MissingHashKey unless hash_key.present?
  raise Dynamoid::Errors::MissingRangeKey unless !model_class.range_key? || range_key.present?
end

Instance Method Details

#to_h ⇒ Object 



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# File 'lib/dynamoid/transaction_write/delete.rb', line 23

def to_h
  key = { model_class.hash_key => hash_key }
  key[model_class.range_key] = range_key if model_class.range_key?
  {
    delete: {
      key: key,
      table_name: model_class.table_name
    }
  }
end