bug4811: completed first untested implementation of PermissionChangeListeners

java/com.sap.sse.security.userstore.mongodb/src/com/sap/sse/security/userstore/mongodb/AccessControlStoreImpl.java

@@ -386,6 +386,12 @@ public class AccessControlStoreImpl implements AccessControlStore {
             }
         }
     }
+    
+    @Override
+    public Iterable<OwnershipAnnotation> getOwnerhipsWithGroupOwner(UserGroup owningUserGroup) {
+        final Set<OwnershipAnnotation> ownerships = userGroupToOwnership.get(owningUserGroup);
+        return ownerships==null ? Collections.emptySet() : Collections.unmodifiableCollection(ownerships);
+    }
 
     @Override
     public OwnershipAnnotation getOwnership(final QualifiedObjectIdentifier idOfOwnedObjectAsString) {

java/com.sap.sse.security.userstore.mongodb/src/com/sap/sse/security/userstore/mongodb/UserStoreImpl.java

@@ -706,6 +706,13 @@ public class UserStoreImpl implements UserStore {
         });
     }
 
+    @Override
+    public Iterable<UserGroup> getUserGroupsWithRole(RoleDefinition roleDefinition) {
+        return LockUtil.executeWithReadLockAndResult(userGroupsLock, () -> {
+            return roleDefinition == null ? null : new HashSet<>(roleDefinitionsToUserGroups.get(roleDefinition));
+        });
+    }
+
     @Override
     public UserGroup getUserGroup(UUID id) {
         return LockUtil.executeWithReadLockAndResult(userGroupsLock, () -> {