Querying for Accounts by Row with Mule and Cassandra

gistfile1.xml

 <flow name="AccountList" doc:name="AccountsList">
        <http:inbound-endpoint 
             exchange-pattern="request-response" 
             host="localhost" port="8081"
             path="account/list"/>          
         <cassandradb:get-slice 
              config-ref="CassandraDB" 
              rowKey="#[message.inboundProperties['http.relative.path'].split('/')[0]]" 
columnParent="Accounts" count="100">
         	<cassandradb:column-serializer 
               key="passwordAge" type="java.lang.Integer"/>        
         </cassandradb:get-slice>                  
        <json:object-to-json-transformer/>
</flow>