[IGNITE-6717] Hashcode/equals is not needed for custom keys serialized into a binary form

• Type: Task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.3
• Component/s: documentation
• Assignee: Prachi Garg
• Reporter: Denis A. Magda
• Created: 23/Oct/17 18:10
• Updated: 02/Nov/17 21:57
• Resolved: 02/Nov/17 21:56

Description

It turns out that hashCode/equals implementation is no longer required for custom complex keys if a key is serialized to the binary form. Discussed here:
http://apache-ignite-developers.2346864.n4.nabble.com/Ignite-2-3-troubles-with-key-value-APIs-in-the-cluster-configured-with-DDL-td23501.html#a23506

The marshaller calculates the hash code automatically. This info has to be added to the binary marshaller page:
https://apacheignite.readme.io/docs/binary-marshaller