Module: Neon::TransactionHelpers::Embedded

Included in:
PropertyContainer::Embedded
Defined in:
lib/helpers/transaction_helpers.rb

Instance Method Summary collapse

Instance Method Details

#run_in_transaction(&block) ⇒ Object

Used by objects to run a block of code inside a fresh transaction associated



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# File 'lib/helpers/transaction_helpers.rb', line 21

def run_in_transaction(&block)
  # Retrieve appropriate session based on current type
  # REST:
  #   Session: self
  #   Entity: @session
  # Embedded:
  #   Session: self
  #   Entity: get_graph_database
  if respond_to?(:get_graph_database)
    begin
      tx = get_graph_database.begin_tx
      result = yield if block_given?
      tx.success
      tx.close
    rescue Exception => e
      # Roll back the transaction
      tx.failure
      tx.close
      raise e # Let the exception bubble up
    end
  else
    session = @session || self
    result = if session.auto_tx
                  r = Transaction.run(session, &block)
                  r.pop
                  r = r.pop if r.length == 1
                  r
                else
                  yield if block_given?
                end
  end
  result
end