Chris, for advanced JAXB questions, you might just want to go ahead and ask on the Sun forum[1]. We use their JAXB, and the JAXB specialists tend to congregate on that site.
Regards, Glen [1] http://forums.java.net/jive/forum.jspa?forumID=46 Am Freitag, den 11.04.2008, 14:33 -0700 schrieb [EMAIL PROTECTED]: > I've begun to play with this type of implementation, using the @XmlIDREF > and @XmlAttribute annotations and I've found a few issues. > > 1) As stated below, your client generated classes have the references to > parent objects defined as data type Object. (an annoyance but workable) > 2) As stated in the documentation: You'd also need to ensure that the > referenced objects are contained somewhere else (like in the Root class in > this case), or else Bar objects will never be marshalled. > > This one is difficult. I have a parent class that I return from my > Services methods that contain all the information associated to the user > and the request: > UserAcct -> Quote -> SalesResp > > When this gets returned to the client the objects are just as the server > sent them back. But when I send a child object back over to the server > all the references to the parents are lost. > > Example: addSalesRep(SalesRepDTO salesRep) { > ... > > The SalesRep object no longer has the parent Quote. That is because the > original container no longer exists. I would need to define a new contain > to be used to hold the object structure. > > I've tried several things to get around this, like placing a > @XmlRootElement on my SalesRepDTO class on both the server and client > classes but to no avail. There just doesn't seem to be a way to make this > work how I would expect it to. The references to the parents are always > lost when sending the objects from the client to the server. > > Any suggestions? > > Chris Mathrusse > [EMAIL PROTECTED] > Sybase, Inc > One Sybase Drive > Dublin, CA 94568 > (925) 236-5553 > > > > [EMAIL PROTECTED] > 04/11/2008 12:50 PM > Please respond to > [email protected] > > > To > [email protected] > cc > > Subject > Re: bi-directional relationships > > > > > > > I've started playing with this and it seems to work correctly. (More > testing needed) But one issue I came across was in the generated Client > objects. > > My server side object looks as follows: > > public class QuoteDTO { > @XmlAttribute @XmlIDREF > protected CustomerDTO customer; > > > But my generated Client object looks as follows: > public class QuoteDTO { > @XmlAttribute > @XmlIDREF > protected Object customer; > > > So now when my client attempts to access the customer the specific data > type is lost. Is there any work around for this? > > Thanks... > > Chris Mathrusse > [EMAIL PROTECTED] > Sybase, Inc > One Sybase Drive > Dublin, CA 94568 > (925) 236-5553 > > > > Daniel Kulp <[EMAIL PROTECTED]> > 04/11/2008 12:44 PM > Please respond to > [email protected] > > > To > [email protected] > cc > > Subject > Re: bi-directional relationships > > > > > > > > Wow. This is neet. I didn't know about this one at all. I honestly > though JAXB wouldn't do it. I learned something today. :-) > > Thanks Glen! > Dan > > > On Thursday 10 April 2008, Glen Mazza wrote: > > Here you go: > > https://jaxb.dev.java.net/guide/Mapping_cyclic_references_to_XML.html > > > > Glen > > > > Am Donnerstag, den 10.04.2008, 16:12 -0700 schrieb > > > > [EMAIL PROTECTED]: > > > I'm using CXF 2.0.5. My Web Service is as follows: > > > @WebService(endpointInterface = "com.sybase.it.quoting.QuoteBroker", > > > portName = "QuoteBroker", targetNamespace = > > > "http://quoting.it.sybase.com";, name = "QuoteBroker") > > > @SOAPBinding(parameterStyle = ParameterStyle.WRAPPED, style = > > > Style.DOCUMENT, use = Use.LITERAL) > > > @Service("quoteBroker") > > > public abstract class QuoteBrokerImpl implements QuoteBroker ... > > > > > > > > > I am returning DTO's from my web service that are populated with > > > data from my Hibernate objects. The problem that I am running into > > > now is the following exception: > > > > > > INFO: Interceptor has thrown exception, unwinding now > > > org.apache.cxf.interceptor.Fault: Marshalling Error: A cycle is > > > detected in the object graph. This will cause infinitely deep XML: > > > [EMAIL PROTECTED] -> > > > [EMAIL PROTECTED] -> > > > [EMAIL PROTECTED] > > > > > > This is due to the relationship that is defined. Quote -> > > > QuoteLineItem -> Quote > > > Because the relationship is bi-directional I am seeing this > > > exception occurring. The Web Service is a replacement of an old Axis > > > 1.0 RPC/Encoded web service. Now that I have it running with CXF > > > using > > > Document/Literal/Wrapped I am seeing this issue. > > > > > > How have others resolved/worked around this issue? > > > > > > Thanks... > > > > > > Chris Mathrusse > > > [EMAIL PROTECTED] > > > Sybase, Inc > > > One Sybase Drive > > > Dublin, CA 94568 > > > (925) 236-5553 > > >
