class DataMapper::TransactionBoundaries
Public Class Methods
new(app, name = :default)
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# File lib/rack_datamapper/transaction_boundaries.rb, line 6 def initialize(app, name = :default) @app = app @name = name.to_sym end
Public Instance Methods
call(env)
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# File lib/rack_datamapper/transaction_boundaries.rb, line 11 def call(env) status, headers, response = nil, nil, nil begin transaction = DataMapper::Transaction.new(DataMapper.repository(@name)) transaction.commit do status, headers, response = @app.call(env) raise Rollback if status >= 400 or status < 200 end rescue Rollback # ignore, needed to trigger the rollback on the transaction end [status, headers, response] end