Calling another flow in Dataweave | lookup in Dataweave
From lookup we can call another mule flow in data weave.
Here is the example :
In transform message test_dataweaveFlow1 will be called.
Transform message configuration :
URL : localhost:8085/api/dataweaveflow
Method : POST
Input :
{
"id" : 1
}
Output :
{
"flow": "Hello Himanshu"
}
XML project code :
<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns:dw="http://www.mulesoft.org/schema/mule/ee/dw" xmlns:metadata="http://www.mulesoft.org/schema/mule/metadata" 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:spring="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd
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/ee/dw http://www.mulesoft.org/schema/mule/ee/dw/current/dw.xsd">
<http:listener-config name="HTTP_Listener_Configuration" host="0.0.0.0" port="8085" basePath="/api" doc:name="HTTP Listener Configuration"/>
<flow name="test_dataweaveFlow">
<http:listener config-ref="HTTP_Listener_Configuration" path="/dataweaveflow" doc:name="HTTP"/>
<dw:transform-message doc:name="Transform Message">
<dw:set-payload><![CDATA[%dw 1.0
%output application/json
---
{
flow : lookup('test_dataweaveFlow1',payload) //calling mule flow,we cant call subflow from it
}]]></dw:set-payload>
</dw:transform-message>
</flow>
<flow name="test_dataweaveFlow1">
<http:listener config-ref="HTTP_Listener_Configuration" path="/flow" doc:name="HTTP"/>
<set-payload value="Hello Himanshu" doc:name="Set Payload"/>
</flow>
</mule>
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