WebObjects/Web Services/Controlling Enterprise Object Serialisation
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To control what attributes and relationships are serialised for an EO, subclass the WOEnterpriseObjectSerializationStrategy class and create one of your own. You should subclass the method keyPathsForSerialization(...) method and return a list of key paths (aattributes or relationships) that you would like to see serialised with the EO. Finally, to register this with a given web service (that is not D2WS), use something like WOEnterpriseObjectSerializationStrategy.setStrategyForService(new MyEnterpriseObjectSerialisationStrategy(),"MyWebService",null); where "MyWebService" is the name that you used to initially register the service with WOWebServiceRegistrar.