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POHow to realize derived response (XSD)?
 

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  1. POHow to realize derived response (XSD)?
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    <p>I am searching for the best solution of my <code>XML</code> schema (<code>XSD</code>).</p> <p>I have a <code>response</code>:</p> <pre><code>&lt;xs:element name="exampleCatalogResponse"&gt; &lt;xs:complexType&gt; &lt;xs:sequence&gt; &lt;xs:element name="meta" type="tns:metaType" /&gt; &lt;xs:element name="data" type="tns:defaultDataType" /&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;/xs:element&gt; </code></pre> <p>...the <code>defaultDatatype</code>:</p> <pre><code>&lt;xs:complexType name="defaultDataType"&gt; &lt;xs:sequence&gt; &lt;xs:element name="catalog"&gt; &lt;xs:complexType&gt; &lt;xs:sequence maxOccurs="unbounded"&gt; &lt;xs:element name="catalogItem" type="tns:catalogItem" /&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; &lt;xs:unique name="itemIdConstraint"&gt; &lt;xs:selector xpath="tns:catalogItem" /&gt; &lt;xs:field xpath="tns:id" /&gt; &lt;/xs:unique&gt; &lt;/xs:element&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; </code></pre> <p>...and the <code>catalogItem</code>:</p> <pre><code>&lt;xs:complexType name="catalogItem"&gt; &lt;xs:sequence&gt; &lt;xs:element name="id" type="xs:nonNegativeInteger" /&gt; &lt;/xs:sequence&gt; &lt;/xs:complexType&gt; </code></pre> <p>...but now there is a special item which specialize <code>catalogItem</code>:</p> <pre><code>&lt;xs:complexType name="specialItem"&gt; &lt;xs:complexContent&gt; &lt;xs:extension base="tns:catalogItem"&gt; &lt;xs:sequence&gt; &lt;xs:element name="code" type="xs:string" /&gt; &lt;/xs:sequence&gt; &lt;/xs:extension&gt; &lt;/xs:complexContent&gt; &lt;/xs:complexType&gt; </code></pre> <p>Now I need an specialized <code>Response</code> for my <code>specialItem</code> for answering the request which expects this <code>specialItem</code>.</p> <p>How can I realise this, without writing another <code>defaultDataType</code> where only the type of <code>catalogItem</code> changes to <code>tns:specialItem</code>?</p>
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