user/iwakeh/metrics-lib, branch task-25103-2

Fail early when 'null' values are added.

2018-02-03T08:19:57+00:00

And, allow for roughly a years worth of entries in dateMap and requestMap before
re-hashing by setting initial capacity.  Defaults are fine for the small ipMap
and protocolMap.

Use 'putIfAbsent'.

2018-02-03T08:19:55+00:00

squash! Reduce memory footprint of log lines.

2018-02-03T08:19:54+00:00

Use a HashMap rather than an ArrayList to make lookups faster.

Provide 'equals' and 'hashCode' implementations.

2018-01-31T12:35:36+00:00

Reduce memory footprint of log lines.

2018-01-31T12:35:35+00:00

Also make validation optional for internal web log constructor.
CollecTor uses this for storing freshly sanitized logs,
which don't need to be validated a second time.

fixup! Store size as simple int.

2018-01-31T12:35:30+00:00

Use enum for request method.

2018-01-31T12:35:29+00:00

Store size as simple int.

2018-01-31T12:35:28+00:00

Prepare date strings lazily in order to improve performance.

2018-01-31T12:35:26+00:00

Prepare for 2.2.0 release.

2018-01-31T12:35:24+00:00