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The latest JEP 359 outlines a new Java feature that may/will be implemented in some future versions of Java. The JEP suggests having a new type of "class": record.
You may also like: Java Records: Making Bad Designs More Convenient
The sample in the JEP reads as follows:
Developers, who have been using Pivotal Cloud Foundry (PCF) have been asking the question of how they know which version of Application PCF is running. We used to check this in on-premise by going to that VM and checking the jar version. Also, performing a rollback smoothly for PCF deployments at the SCM (Github) or CI/CD level is painful and risk-prone. It involves verification, approval and other deployment processes.
With PCF 2.6, Pivotal has come up with a feature called App Revisions. Using this feature, we can rollback the deployment for an application very easily. In this article, we will try to understand this feature and walk through the steps for rollback.