spring-projects/spring-integration — pull request #976 by garyrussell (2013-11-19 03:24:37+00:00)
Title: INT-3209 DefaultFileNameGenerator - SpEL Parsing

JIRA: https://jira.springsource.org/browse/INT-3209

Previously, the DefaultFileNameGenerator re-parsed the
SpEL expression for every message.

Compile the SpEL once (and if it is changed).

Change unit tests to match changes.