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POJAXB/JAXWS, Generics And Inheritance
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  1. POJAXB/JAXWS, Generics And Inheritance
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    copied!<p>I am creating a SOAP WebService when I use following classes:</p> <p>First, I have an abstract and generic class:</p> <pre><code>@XmlTransient @XmlAccessorType(XmlAccessType.FIELD) public abstract class PaginatatedListContainer&lt;T&gt; { @XmlElement protected List&lt;T&gt; elements; ...getter and setter } </code></pre> <p>Then, I have two classes which inherits passing a type as class parameter</p> <pre><code>@XmlRootElement @XmlAccessorType(XmlAccessType.FIELD) public class CollaboratorPaginatedList extends PaginatedListContainer&lt;Collaborator&gt; { } @XmlRootElement @XmlAccessorType(XmlAccessType.FIELD) public class GenericUserPaginatedList extends PaginatedListContainer&lt;GenericUser&gt; { } </code></pre> <p>My problem is when I use wsimport to generate the client of my WS, the generated CollaboratorPaginatedList and GenericUserPaginatedList do not have their own list with the proper type. I verified in the WSDL/XSD and I see there is an object list instead and I don't understand why.</p> <p>Can you help me understand, please? And is there a way to force JAXB to type the list?</p> <p>Thank you :)</p> <p>PS: I tried <a href="https://stackoverflow.com/questions/9911444/xmlelementwrapper-with-a-generic-list-and-inheritance">@XmlElementWrapper with a generic List and inheritance</a></p> <p>============ My answer because I am new and I can't answer my own question :)</p> <p>I found a workaround but to me, it is not very clean. First, I saw this link in the related section</p> <p><a href="https://stackoverflow.com/questions/13244652/creating-abstract-generic-jaxb-class?rq=1">Creating abstract generic jaxb class</a></p> <p>The parent abstract class:</p> <pre><code>@XmlType @XmlAccessorType(XmlAccessType.FIELD) public abstract class PaginatatedListContainer&lt;T&gt; { public abstract List&lt;T&gt; getElements(); public abstract void setElements(List&lt;T&gt; elements); } </code></pre> <p>The children classes:</p> <pre><code>@XmlType public class CollaboratorPaginatedList extends PaginatedListContainer&lt;Collaborator&gt; { @XmlElement private List&lt;Collaborator&gt; collaborators; ... reimplemented getter/setter } @XmlType public class GenericUserPaginatedList extends PaginatedListContainer&lt;GenericUser&gt; { @XmlElement private List&lt;GenericUser&gt; collaborators; ... reimplemented getter/setter } </code></pre> <p>In fact, in the XSD/WSDL, I have what I want because of the @XmlElement on the typed lists and not because of the abstract getter/setter.</p>
 

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