How routing will take place in this scenario?

There are three routes configured for Scatter-Gather and incoming event has a payload is an Array of three objects .

How routing will take place in this scenario?
A . Incoming array objects would be split into three and each part would be sent to one route each in sequential manner
B . Incoming array objects would be split into three and each part would be sent to one route each in parallel
C . Entire event would be sent to each route sequentially
D . Entire event would be sent to each route in parallel

View Answer

Answer: D

Explanation:

Entire event would be sent to each route in parallel.

Scatter-Gather works as follows:

– The Scatter-Gather component receives a Mule event and sends a reference of this Mule event to each processing route.

– Each of the processing routes starts executing in parallel. After all processors inside a route finish processing, the route returns a Mule event, which can be either the same Mule event without modifications or a new Mule event created by the processors in the route as a result of the modifications applied.

– After all processing routes have finished execution, the Scatter-Gather component creates a new Mule event that combines all resulting Mule events from each route, and then passes the new Mule event to the next component in the flow.

Diagram

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