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