Changeset 2136 for trunk/autoquest-core-tasktrees/src

Timestamp:

05/16/17 09:40:37 (8 years ago)

Author:

pharms

Message:

 

File:

• trunk/autoquest-core-tasktrees/src/main/java/de/ugoe/cs/autoquest/tasktrees/treeimpl/Task.java (modified) (1 diff)

trunk/autoquest-core-tasktrees/src/main/java/de/ugoe/cs/autoquest/tasktrees/treeimpl/Task.java

@@ -163 +163 @@
     @Override
     public Collection<ITaskInstance> getInstances() {
+        // the feature of an unmodifiable collection was added later. To ensure backward
+        // compatibility with stored data, check if the object exists, if not return the instances.
+        if (unmodifiableInstances == null) {
+            return instances;
+        }
+        
         return unmodifiableInstances;
     }