--- /dev/null
+package de.test.schemaexport.persistence.dao;\r
+\r
+import javax.persistence.EntityManager;\r
+import de.test.schemaexport.domain.Department;\r
+\r
+public interface IDepartmentDAO {\r
+\r
+ Department findByID(EntityManager em, long id);\r
+\r
+ Department createOrUpdate(EntityManager em, Department toCreate);\r
+\r
+}\r