Scatter and gather in mule
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Scatter-Gather in Mule allows sending a request message to multiple targets concurrently, collecting the responses from all routes and aggregating them into a single message. It implements this using message processors that process flows concurrently and then combine the payloads at the end. For example, a flow can contain two subflows that run concurrently using Scatter-Gather, with the responses from both subflows merged into a single payload.
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Scatter and gather in mule
- 2. Scatter-Gather is an important component in Mule that sends a request message to multiple targets concurrently. At the end it collects the responses from all routes, and aggregates them into a single message.
- 3. Message Processor Message Processor Combined Payload Processing concurrently
- 5. To implement scatter-gather in Mule lets consider the following flow:- You can see that there is two flow reference after scatter-gather which means it will process 2 flows concurrently .
- 6. The other 2 sub flows are here:- Now, You will see that these two flows will run concurrently and at the end the payloads from both the flow will be merged .
- 7. Our Mule config will be as follow:-
- 8. Now, our flow is ready .. If we can test our flow using the url :- http://localhost:8090/scattergather and we will get in logs as follows :- You can see both the flow ended up concurrently and scatter-gather has merged the payload fro both the flows at the end
- 9. In my next slide I will bring some other techniques in Mule implementation . Hope you have enjoyed this simpler version. Keep sharing your knowledge and let our Mule community grow