[CASSANDRA-4152] cache the hashcode of DecoratedKey as it is immutable

• Type: Improvement
• Status: Resolved
• Priority: Low
• Resolution: Won't Fix
• Assignee: Unassigned
• Reporter: Dave Brosius
• Created: 14/Apr/12 04:14
• Updated: 16/Apr/19 09:32
• Resolved: 16/Apr/12 20:52

Description

cache the hashcode of the DecoratedKey on first hashCode() call. DecoratedKey is immutable so no need to run thru all ByteBuffer bytes of the key and do hashcode math.

applied to trunk.