3 files changed, 14 insertions, 3 deletions
diff --git a/src/main/scala/cake/application.scala b/src/main/scala/cake/application.scala
index 8311dc8..0dac58b 100644
--- a/src/main/scala/cake/application.scala
+++ b/src/main/scala/cake/application.scala
@@ -8,6 +8,7 @@ class Application (val logger: FileLogger, val dbh: DBI) {
     logger.log("starting")
     logger.log("got a dbh: " +
       List(dbh.dsn, dbh.username, dbh.password).mkString(", "))
+    logger.log(dbh.query("foo"))
     logger.log("ending")
   }
 }
diff --git a/src/main/scala/cake/database.scala b/src/main/scala/cake/database.scala
index d7f37e9..6ba4a1c 100644
--- a/src/main/scala/cake/database.scala
+++ b/src/main/scala/cake/database.scala
@@ -5,6 +5,7 @@ class DBI (
   val dsn:      String,
   val username: String,
   val password: String) {
+  def query (search: String): String = "found " + search
 }
 
 // object DBI {
diff --git a/src/main/scala/cake/services.scala b/src/main/scala/cake/services.scala
index ed28203..b171165 100644
--- a/src/main/scala/cake/services.scala
+++ b/src/main/scala/cake/services.scala
@@ -2,15 +2,24 @@ package cake.services
 
 trait HasApplication {
   type ApplicationType
-  val application: ApplicationType
+  val application: ApplicationType with IApplication
+  trait IApplication {
+    def run (): Unit
+  }
 }
 
 trait HasDatabase {
   type DatabaseType
-  val database: DatabaseType
+  val database: DatabaseType with IDatabase
+  trait IDatabase {
+    def query (search: String): String
+  }
 }
 
 trait HasLogger {
   type LoggerType
-  val logger: LoggerType
+  val logger: LoggerType with ILogger
+  trait ILogger {
+    def log (msg: String): Unit
+  }
 }