package cake trait HasLogger extends cake.services.HasLogger { type LoggerType = Logger class Logger(logFileName: String) extends cake.logger.FileLogger(logFileName) with ILogger } trait HasDatabase extends cake.services.HasDatabase { type DatabaseType = Database class Database protected (dsn: String, username: String, password: String) extends cake.database.DBI(dsn, username, password) with IDatabase object Database { def connect(dsn: String, username: String, password: String) = new Database(dsn, username, password) } } trait HasApplication extends cake.services.HasApplication { this: cake.HasLogger with cake.HasDatabase => type ApplicationType = Application class Application extends cake.application.Application(logger, database) with IApplication } class Container ( logFileName: String = "out.log", dsn: String = "dbi:mysql:myapp", username: String = "doy", password: String = "blah" ) extends HasApplication with HasLogger with HasDatabase { lazy val application = new Application lazy val logger = new Logger(logFileName) lazy val database = Database.connect(dsn, username, password) }