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Example: Iterate over the children using a predicate

In this example, we iterate over a predicate instead of the children of a container. We want to iterate over Robert's favorite animals, since he has four. We specify the 'favoriteAnimal' predicate using the 'containment' attribute. This causes the <member> tag to iterate over that predicate.

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<vbox datasources="animals.rdf" ref="http://www.some-fictitious-zoo.com/humans/robert"
      containment="http://www.some-fictitious-zoo.com/rdf#favoriteAnimal">
  <template>
    <rule>
      <conditions>
          <content uri="?uri"/>
          <member container="?uri" child="?child"/>
          <triple subject="?child"
                  predicate="http://www.some-fictitious-zoo.com/rdf#name"
                  object="?name"/>
      </conditions>
      <action>
        <label uri="?child" value="?name"/>
      </action>
    </rule>
  </template>
</vbox>
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