<when expression="action=="getQuantity"" evaluator="ognl">
                <processor-chain>
                    <logger message="DB payload: #[payload]" level="INFO" doc:name="Logger"/>
                    <enricher target="#[variable:quantity]" doc:name="Message Enricher">
                        <jdbc:outbound-endpoint exchange-pattern="request-response" queryKey="select" responseTimeout="10000" mimeType="application/json" queryTimeout="-1" connector-ref="Database__JDBC_Derby" doc:name="select"/>
                    </enricher>
                    <logger message="Result from DB #[payload]" level="INFO" doc:name="Logger"/>
                    <scripting:component doc:name="Script">
                        <scripting:script engine="Groovy">
                            <scripting:text><![CDATA[def quantity = message.getInvocationProperty("quantity");
                            value = quantity.get(0).get('QUANTITY');
payload.setQuantity(value);
return payload;]]></scripting:text>
                        </scripting:script>
                    </scripting:component>
                </processor-chain>
            </when>
            <when expression="action=="updateQuantity"" evaluator="ognl">
                <processor-chain>
                	<jdbc:outbound-endpoint exchange-pattern="request-response" queryKey="update" responseTimeout="10000" mimeType="application/json" queryTimeout="-1" connector-ref="Database__JDBC_Derby" doc:name="update"/>
                	<logger message="#[payload]" level="INFO" doc:name="Logger"/>
                </processor-chain>
            </when>
        </choice>
    </sub-flow>
</mule>