第28章 Ref

import static org.apache.camel.language.ref.RefLanguage.ref;

<beans ...>
  <bean id="myExpression" class="com.mycompany.MyCustomExpression"/>
  ...
  <camelContext>
    <route>
      <from uri="seda:a"/>
      <split>
        <ref>myExpression</ref>
        <to uri="mock:b"/>
      </split>
    </route>
  </camelContext>
</beans>

from("seda:a")
  .split().ref("myExpression")
  .to("seda:b");