Hi all,
I am using Betwixt to do object persistence, I am facing some challenges using it. Essentially, I have to "open up" my class Interface in order to achieve the desire behavior from Betwixt? I would appreciate any one could direct me to the right way to this problem. Below is my scenario
I have a class Person which has an attribute "address" type AddressIntf. The implementation of AddressIntf is Address. Address has both the getters and setters of all its attributes, but AddressIntf only has the getters. When i map the object to xml using Person instance, i got the expected output. However when i try to map it back to a Person instance, i only have an uninitialized address instance. Note I've a custom class creator to create an instance of Address. In order to achieve the desire result i.e. the address instance attributes being updated, i would have to "open-up" the AddressIntf by adding the setter methods. Is there any way around this problem?
betwixt is start-from-java and concentrates on java beans so most of the methods are geared around object models composed of java beans. so, it's more difficult to map objects which are not java beans. adding support for designs which are not typical use cases for object models composed of java bean is not a priority for me. (of course, if some developers wanted to step up who were more interested in adding these features then i'd be willing to give help and directions.)
one possibility which others have found useful in the past is to create and register (in the XMLIntrospector.getRegistry) custom XMLBeanInfo's which contain a custom updater (MapEntryAdder is an example of this kind of updater).
- robert
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