[isis] branch master updated: ISIS-3289: fixes NPE in CalendarEvent showcase

[ahuber]

This is an automated email from the ASF dual-hosted git repository.

ahuber pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/isis.git


The following commit(s) were added to refs/heads/master by this push:
     new 516a18cfe4 ISIS-3289: fixes NPE in CalendarEvent showcase
516a18cfe4 is described below

commit 516a18cfe4c7bd598caa1fb5615d3353e1707af3
Author: Andi Huber <ahu...@apache.org>
AuthorDate: Mon Nov 21 17:12:43 2022 +0100

    ISIS-3289: fixes NPE in CalendarEvent showcase
---
 .../causewayext/cal/persistence/CausewayCalendarEventEntity.java    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git 
a/examples/demo/domain/src/main/java/demoapp/dom/types/causewayext/cal/persistence/CausewayCalendarEventEntity.java
 
b/examples/demo/domain/src/main/java/demoapp/dom/types/causewayext/cal/persistence/CausewayCalendarEventEntity.java
index 0b823ac925..238bef577a 100644
--- 
a/examples/demo/domain/src/main/java/demoapp/dom/types/causewayext/cal/persistence/CausewayCalendarEventEntity.java
+++ 
b/examples/demo/domain/src/main/java/demoapp/dom/types/causewayext/cal/persistence/CausewayCalendarEventEntity.java
@@ -18,6 +18,8 @@
  */
 package demoapp.dom.types.causewayext.cal.persistence;
 
+import java.util.Optional;
+
 import javax.inject.Named;
 
 import org.apache.causeway.applib.annotation.DomainObject;
@@ -46,7 +48,9 @@ implements
 
     @Override
     public String getCalendarName() {
-        return toCalendarEvent().getCalendarName();
+        return Optional.ofNullable(toCalendarEvent())
+                .map(CalendarEvent::getCalendarName)
+                .orElse(null);
     }
 
     @Override