Hi,
there seems to be something weird with how JDO handles modifications
(removes) to lists of objects.
I have two lists:
@Persistent(defaultFetchGroup = "true")
@Element(dependent = "true")
private List<Child> dependentObjects = new ArrayList<Child>();
@Persistent
private List<String> stringListProperty = new ArrayList<String>();
Say both lists currently have two persisted entries. While when in
detached stade i can do this:
myObject.getStringListProperty().remove(0);
Once the object is persisted and retrieved again there is only one
entry in the list of strings. When i do the same thing with the list
of children it doesn't persist the changes:
myObject.getDependentObjects().remove(0);
After attaching and persisting myObject there will still be two
children in the list once it is retrieved at a later point.
I could not find the corresponding JDO datanucleus specification/
reference, but maybe someone can help and shed some light whether this
is desired. If needed i can post more code.
Thanks,
Fred
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