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java-design-patterns/aggregator-microservices
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Arpit Jain 1d4a7681e2 Fix for Issue #549 : Add Fallbacks in Aggregator Service (#971) 
*  Fix for Issue##549

Catch ClientProtocolException and Update Error Logs

* Fix indentation, checkstyle errors

* Fix for Issue #549
Add fallbacks in Aggregator service when other microservices fail

* Make ProductInventoryClientImpl return null instead of zero in case of failure
2019-11-01 20:01:30 +02:00
..
aggregator-service
Fix for Issue #549 : Add Fallbacks in Aggregator Service (#971)
2019-11-01 20:01:30 +02:00
etc
#190 Remove urm plugin
2017-11-28 20:55:52 +02:00
information-microservice
#1021: Fix checkstyle warnings by changing the license header template (#1027)
2019-10-22 08:15:35 +03:00
inventory-microservice
#1021: Fix checkstyle warnings by changing the license header template (#1027)
2019-10-22 08:15:35 +03:00
pom.xml
Update license headers
2019-10-12 20:05:54 +03:00
README.md
#190 Remove pumlids from readmes
2017-11-28 21:28:53 +02:00

README.md

layout, title, folder, permalink, categories, tags
layout title folder permalink categories tags
pattern Aggregator Microservices aggregator-microservices /patterns/aggregator-microservices/ Architectural
Java
Spring

Intent

The user makes a single call to the Aggregator, and the aggregator then calls each relevant microservice and collects the data, apply business logic to it, and further publish is as a REST Endpoint. More variations of the aggregator are:

  • Proxy Microservice Design Pattern: A different microservice is called upon the business need.
  • Chained Microservice Design Pattern: In this case each microservice is dependent/ chained to a series of other microservices.

alt text

Applicability

Use the Aggregator Microservices pattern when you need a unified API for various microservices, regardless the client device.

Credits