GitHub user ZackPierce opened a pull request:
https://github.com/apache/flink/pull/1868
FLINK-3126 : Remove accumulator type from "value" in web frontend
The `value` field in `StringifiedAccumulatorResult` populated by
`stringifyAccumulatorResults` previously was filled by the result of calling
`toString()` on an `Accumulator`. This result, exposed via the web interface,
had the unfortunate effect of showing users the innards of a given
Accumulator's field values and type info rather than the target value of
interest tracked by the accumulator.
Thus, this PR introduces the use of `Accumulator#getLocalValue()` for the
`value` field set via `StringifiedAccumulatorResult#stringifyAccumulatorResults`
In keeping with the extant pattern in the class, a String value of `"null"`
is used when either the `Accumulator` or the result of `getLocalValue()` is
`null`.
Tests have been added to verify this behavior.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ZackPierce/flink FLINK-3126
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/1868.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1868
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commit 2d0eab3801a9d09ac15ed356671f3248cc8881a7
Author: Zack Pierce <zpie...@newrelic.com>
Date: 2016-04-11T17:17:34Z
FLINK-3126 : Remove accumulator type from "value" in web frontend
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