Remove username attribute

wise-webapp/src/main/java/com/wisemapping/dao/MindmapManagerImpl.java

@@ -201,16 +201,16 @@ public class MindmapManagerImpl
     }
 
     @Override
-    public void removeMindmap(MindMap mindMap) {
+    public void removeMindmap(@NotNull final MindMap mindMap) {
         getHibernateTemplate().delete(mindMap);
     }
 
-    private void saveHistory(MindMap mindMap) {
+    private void saveHistory(@NotNull final MindMap mindMap) {
         final MindMapHistory history = new MindMapHistory();
 
         history.setXml(mindMap.getXml());
         history.setCreationTime(Calendar.getInstance());
-        history.setCreator(mindMap.getLastModifierUser());
+        history.setEditor(mindMap.getLastEditor());
         history.setMindmapId(mindMap.getId());
         getHibernateTemplate().saveOrUpdate(history);
     }

wise-webapp/src/main/java/com/wisemapping/dao/UserManager.java

@@ -33,8 +33,6 @@ public interface UserManager {
 
     public User getUserBy(long id);
 
-    User getUserByUsername(String username);
-
     void createUser(User user);
 
     void auditLogin(@NotNull AccessAuditory accessAuditory);

wise-webapp/src/main/java/com/wisemapping/dao/UserManagerImpl.java

@@ -73,19 +73,6 @@ public class UserManagerImpl
         return getHibernateTemplate().get(User.class, id);
     }
 
-    @Override
-    public User getUserByUsername(String username) {
-        final User user;
-        final List users = getHibernateTemplate().find("from com.wisemapping.model.User colaborator where username=?", username);
-        if (users != null && !users.isEmpty()) {
-            assert users.size() == 1 : "More than one user with the same username!";
-            user = (User) users.get(0);
-        } else {
-            user = null;
-        }
-        return user;
-    }
-
     @Override
     public void createUser(User user) {
         assert user != null : "Trying to store a null user";