tree 01ad11650fe0c56b946a2531bb8fb8a73cdb7ef7
parent 39adc451b9799f3441000a7cb37764b1f66d5375
author Julia Wang <juliaw@apache.org> 1489517573 -0700
committer Markus Weimer <weimer@apache.org> 1494556740 -0700

[REEF-1735] Define IMetricsSink interface

* Add IMetricsSink interface and default impl
* Add named parameter for MetricsSinks
* Add MetricsSinks to MetricsService
* Modify test cases

JIRA:
  [REEF-1735](https://issues.apache.org/jira/browse/REEF-1735)

Pull request
  This closes #1262