For Each in Mule 4 | Iteration in Mule 4

For Each in Mule 4



For Each scope in mule 4 is used to iterate over a collection.

Flow:


Database connector is used to fetch records from database.
Db connector configuration:

 

Transform message settings:

 

Foreach scope configuration:


Method: GET

Output:


XML project code:

<?xml version="1.0" encoding="UTF-8"?>

<mule xmlns:ee="http://www.mulesoft.org/schema/mule/ee/core" xmlns:db="http://www.mulesoft.org/schema/mule/db"
     xmlns:http="http://www.mulesoft.org/schema/mule/http"
     xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd
http://www.mulesoft.org/schema/mule/db http://www.mulesoft.org/schema/mule/db/current/mule-db.xsd
http://www.mulesoft.org/schema/mule/ee/core http://www.mulesoft.org/schema/mule/ee/core/current/mule-ee.xsd">
     <db:config name="Database_Config" doc:name="Database Config" doc:id="ea80f53a-1041-48b2-aa07-8d6741cf43ea" >
          <db:my-sql-connection host="localhost" port="3306" user="root" password="”*******" database="mule4" />
     </db:config>
     <http:listener-config name="HTTP_Listener_config" doc:name="HTTP Listener config" doc:id="6055fd67-52f6-4cf0-91b1-6818bf2980e8" >
          <http:listener-connection host="0.0.0.0" port="8085" />
     </http:listener-config>
     <flow name="test_foreachFlow" doc:id="b081e93c-8b0f-4a8a-9bc8-01507eccad4d" >
          <http:listener doc:name="Listener" doc:id="c9bb4fdf-629f-4426-aec0-9b705b6b4c44" config-ref="HTTP_Listener_config" path="/foreach"/>
          <db:select doc:name="Select" doc:id="08464734-060c-45c6-a958-e1886079882b" config-ref="Database_Config">
                   <db:sql>select * from mule4.info</db:sql>
              </db:select>
          <ee:transform doc:name="Transform Message" doc:id="e62e80cf-74d2-48e2-808c-439378036cf5" >
              <ee:message >
                   <ee:set-payload ><![CDATA[%dw 2.0
output application/java
---
payload map(index,value)->
{
     ID: index.ID,
     NAME: index.NAME
}]]></ee:set-payload>
              </ee:message>
          </ee:transform>
          <foreach doc:name="For Each" doc:id="1b160052-cf2b-4cbc-981d-1faa0325c1a3" >
              <logger level="INFO" doc:name="Logger" doc:id="ee4e0821-d2da-4e2e-9ce7-385218616824" message="#[payload]" />
          </foreach>
     </flow>
</mule>


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