THRIFT-288. java: Generated code iterates maps during write inefficiently

Newly generated code will now use entrySet instead of keySet when serializing maps. Existing generated classes does not need to be regenerated, though they won't reap the performance improvements unless they do.

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@738765 13f79535-47bb-0310-9956-ffa450edef68
1 file changed