[THRIFT-753] Don't look up TFieldIdEnum values with a map

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.3
• Fix Version/s: 0.3
• Component/s: Java - Compiler
• Assignee: Bryan Duxbury
• Reporter: Bryan Duxbury
• Created: 03/Apr/10 15:45
• Updated: 04/Apr/10 04:01
• Resolved: 04/Apr/10 04:01

Description

Each struct's internal _Fields class currently generates and uses a HashMap to allow lookup of enum values by thrift field id. This can be a bit slow - it requires us to box an Integer, then hash it, then perform the lookup. We can probably get by with generating a case statement.