1 files changed, 9 insertions, 1 deletions
diff --git a/src/main/java/design/persistence/PersonalDatabase.java b/src/main/java/design/persistence/PersonalDatabase.java
index adb865d..70dd37d 100644
--- a/src/main/java/design/persistence/PersonalDatabase.java
+++ b/src/main/java/design/persistence/PersonalDatabase.java
@@ -1,9 +1,11 @@
 package design.persistence;
 
 import design.model.Golfer;
+import design.persistence.importexport.DataSource;
+
 import java.io.IOException;
 
-public interface PersonalDatabase {
+public interface PersonalDatabase extends DataSource {
 
     static PersonalDatabase instance() {
         return JSONPersonalDatabase.instance();
@@ -18,4 +20,10 @@ public interface PersonalDatabase {
     void removeGolfer(Golfer golfer) throws IOException;
 
     void updateGolfer(Golfer golfer) throws IOException;
+
+    @Override
+    void importData(Object data) throws IOException;
+
+    @Override
+    Object exportData() throws IOException;
 }