JDev/ADF sample - Checking for Data Consistency with ADF BC REST 12.2.1

• Checking for Data Consistency with ADF BC REST 12.2.1. ADF BC REST supports HTTP ETag to check for data consistency. This is common approach to implement caching and optimistic locking in REST.  ADF BC REST relies on EO change indicator attribute, when change indicator attribute value is updated, new ETag is generated. All clients with previous ETag value should be prevented from updating data, without refreshing to the latest state. Read more - 22.9.1 Checking for Data Consistency When Updating ADF REST Resource Items. There are issues with data consistency check in ADF BC REST, hopefully it will be fixed in the future (read below).

Download - ADFBCRestApp_v4.zip